INDEX.
-
A.
-
Abbott, C., on the battles of seals, ii. 240.
-
Abductor of the fifth metatarsal, presence of, in man, i. 128.
-
Abercrombie, Dr., on disease of the brain affecting speech, i. 58.
-
Abipones, marriage-customs of the, ii. 373.
-
Abou-Simbel, caves of, i. 217.
-
Abortion, prevalence of the practice of, i. 134.
-
Abstraction, i. 62.
-
Acalles, stridulation of, i. 384.
-
Acanthodactylus capensis, sexual differences of colour in, ii. 36.
-
Accentor modularis, ii. 198.
-
Acclimatisation, difference of, in different races of men, i. 216.
-
Achetidæ, stridulation of the, i. 352, 353, 355;
-
rudimentary stridulating organs in female, i. 359.
-
Acilius sulcatus, elytra of the female, i. 343.
-
Acomus, development of spurs in the female of, ii. 162.
-
Acridiidæ, stridulation of the, i. 352, 356;
-
rudimentary stridulating organs in female, i. 359.
-
Acting, i. 232.
-
Actiniæ, bright colours of, i. 322.
-
Admiral butterfly, i. 392.
-
Adoption of the young of other animals by female monkeys, i. 41.
-
Advancement in the organic scale, Von Baer’s definition of, i. 211.
-
Aeby, on the difference between the skulls of man and the quadrumana, i. 190.
-
Æsthetic faculty, not highly developed in savages, i. 64.
-
Affection, maternal, i. 40;
-
manifestation of, by animals, i. 40;
-
parental and filial, partly the result of natural selection, i. 81;
-
shown by birds in confinement, for certain persons, ii. 110;
-
mutual, of birds, ii. 108.
-
Africa, probably the birthplace of man, i. 199;
-
South, crossed population of, i. 225;
-
South, retention of colour by the Dutch in, i. 242;
-
South, proportion of the sexes in the butterflies of, i. 310;
-
tattooing practised in, ii. 339;
-
Northern, coiffure of natives of, ii. 340.
-
Agassiz, L., on conscience in dogs, i. 78;
-
on the coincidence of the races of man with zoological provinces, i. 218;
-
on the number of species of man, i. 226;
-
on the courtship of the land-snails, i. 324;
-
on the brightness of the colours of male fishes during the breeding season, ii. 13;
-
on the frontal protuberance of the males of Geophagus and Cichla, ii. 13, 20;
-
on the slight sexual differences of the South Americans, ii. 323;
-
on the tattooing of the Amazonian Indians, ii. 342.
-
Age, in relation to the transmission of characters in birds, ii. 183;
-
variation in accordance with, in birds, ii. 213.
-
Agelæus phœniceus, ii. 116.
-
Ageronia feronia, noise produced by, i. 387.
-
Agrion, dimorphism in, i. 363.
-
Agrion Ramburii, sexes of, i. 362.
-
Agrionidæ, difference in the sexes of, i. 362.
-
Agrotis exclamationis, i. 369.
-
Ague, tertian, dog suffering from, i. 13.
-
Aïthurus polytmus, young of, ii. 220.
-
Ainos, hairiness of the, ii. 321.
-
Alca torda, young of, ii. 217.
Alces palmata, ii. 259.
-
Alder and Hancock, MM., on the nudibranch mollusca, i. 326.
-
Algen, Mr., on the stridulation of Scolytus, i. 379.
-
Allen, J. A., on the relative size of the sexes of Callorhinus ursinus, ii. 260;
-
on the mane of Otaria jubata, ii. 267;
-
on the pairing of seals, ii. 279;
-
on sexual differences in the colour of bats, ii. 286.
-
Allen, S., on the habits of Hoplopterus, ii. 48;
-
on the plumes of herons, ii. 82;
-
on the vernal moult of Herodias bubulcus, ii. 84.
-
Alligator, courtship of the male, i. 272, ii. 29;
-
roaring of the male, i. 331.
-
Amadavat, pugnacity of male, ii. 49.
-
Amadina Lathami, display of plumage by the male, ii. 95.
-
Amadina castanotis, display of plumage by the male, ii. 95.
-
Amazons, butterflies of the, i. 309;
-
America, variation in the skulls of aborigines of, i. 108;
-
wide range of aborigines of, i. 218;
-
lice of the natives of, i. 220;
-
general beardlessness of the natives of, ii. 322.
-
America, North, butterflies of, i. 309;
-
Indians of, women a cause of strife among the, ii. 324;
-
Indians of, their notions of female beauty, ii. 344, 347.
-
America, South, character of the natives of, i. 216;
-
population of parts of, i. 225;
-
piles of stones in, i. 233;
-
extinction of the fossil horse of, i. 239;
-
desert-birds of, ii. 224;
-
slight sexual difference of the aborigines of, ii. 323;
-
prevalence of infanticide in, ii. 361.
-
American languages, often highly artificial, i. 112.
-
Americans, wide geographical range of, i. 112;
-
and negroes, difference of, i. 247;
-
aversion of, to hair on the face, ii. 348;
-
native, variability of, i. 226.
-
Ammophila, on the jaws of, i. 342.
-
Ammotragus tragelaphus, hairy forelegs of, ii. 282, 285.
-
Amphibia, affinity of, to the ganoid fishes, i. 204;
-
vocal organs of the, ii. 331.
-
Amphibians, i. 213, ii. 24;
-
breeding whilst immature, ii. 215.
-
Amphioxus, i. 204.
-
Amphipoda, males sexually mature while young, ii. 215.
-
Amunoph III., negro character of features of, i. 217.
-
Anal appendages of insects, i. 342.
-
Analogous variation in the plumage of birds, ii. 74.
-
Anas, ii. 180.
-
Anas acuta, male plumage of, ii. 84.
-
Anas boschas, male plumage of, ii. 84.
-
Anas histrionica, ii. 214.
-
Anastomus oscitans, sexes and young of, ii. 217;
-
white nuptial plumage of, ii. 228.
-
Anatidæ, voices of, ii. 60.
-
Anax junius, difference in the sexes of, i. 362.
-
Anglo-Saxons, estimation of the beard among the, ii. 349.
-
Animals, cruelty of savages to, i. 94;
-
domesticated, more fertile than wild, i. 132;
-
characters common to man and, i. 185;
-
domestic, change of breeds of, ii. 369.
-
Annelida, i. 327.
-
Annulosa, i. 327.
-
Anolis cristatellus, male, crest of, ii. 32;
-
pugnacity of the male, ii. 32;
-
throat-pouch of, ii. 33.
-
Anobium tessellatum, sounds produced by, i. 384.
-
Anser canadensis, ii. 116.
-
Anser cygnoides, ii. 114;
-
knob at the base of the beak of, ii. 129.
-
Anser hyperboreus, whiteness of, ii. 228.
-
Antelope, prong-horned, horns of, i. 289.
-
Antelopes, generally polygamous, i. 267;
-
horns of, i. 289, ii. 245;
-
canine teeth of some male, ii. 241;
-
use of horns of, ii. 251;
-
dorsal crests in, ii. 282;
-
dewlaps of, ii. 284;
-
winter change of two species of, ii. 299;
-
peculiar markings of, ii. 299.
-
Antennæ, furnished with cushions in the male of Penthe, i. 343.
-
Anthidium manicatum, large male of, i. 347.
-
Anthocharis cardamines, i. 388, 393, 394;
-
sexual difference of colour in, i. 409.
-
Anthocharis genutia, i. 393.
-
Anthocharis sara, i. 393.
-
Anthophora acervorum, large male of, i. 347.
-
Anthophora retusa, difference of the sexes in, i. 366.
-
Anthus, moulting of, ii. 83.
-
Anthropidæ, i. 195.
-
Antigua, Dr. Nicholson’s observations on yellow fever in, i. 245.
-
Antics of birds, ii. 68.
-
Antilocapra americana, horns of, i. 289, ii. 245.
-
Antilope bezoartica, horned females of, ii. 246, 248;
-
sexual difference in the colour of, ii. 288.
-
Antilope Dorcas and euchore, ii. 245.
-
Antilope euchore, horns of, ii. 251.
-
Antilope montana, rudimentary canines in the young male of, ii. 258.
-
Antilope niger, sing-sing, caama, and gorgon, sexual differences in the colours of, ii. 289.
-
Antilope oreas, horns of, i. 289.
-
Antilope saiga, polygamous habits of, i. 267.
-
Antilope strepsiceros, horns of, i. 289.
-
Antilope subgutturosa, absence of suborbital pits in, ii. 280.
-
Antipathy, shown by birds in confinement, to certain persons, ii. 110.
-
Ants, i. 186;
-
playing together, i. 39;
-
memory in, i. 45;
-
intercommunication of, by means of the antennæ, i. 58;
-
large size of the cerebral ganglia in, i. 145;
-
soldier-, large jaws of, i. 155;
-
difference of the sexes in, i. 365;
-
recognition of each other by, after separation, i. 365.
-
Ants, White, habits of, i. 364.
-
Anura, ii. 25.
-
Apatania muliebris, male unknown, i. 314.
-
Apathus, difference of the sexes in, i. 366.
-
Apatura Iris, i. 386, 388.
-
Apes, anthropomorphous, i. 196;
-
difference of the young, from the adult, i. 13;
-
building platforms, i. 53;
-
probable speedy extermination of the, i. 201;
-
Gratiolet on the evolution of, i. 230;
-
semi-erect attitude of some, i. 142;
-
mastoid processes of, i. 143;
-
influence of the jaw-muscles on the physiognomy of, i. 144;
-
female, destitute of large canines, i. 156;
-
imitative faculties of, i. 161;
-
canine teeth of male, ii. 241;
-
females of some, less hairy beneath than the males, ii. 377.
-
Apes, long-armed, their mode of progression, i. 143.
-
Apis mellifica, large male of, i. 347.
-
Apollo, Greek statues of, ii. 350.
-
Apoplexy in Cebus Azaræ, i. 12.
-
Approbation, influence of the love of, i. 86, 92, 164, 165.
-
Appendages, anal, of insects, i. 342.
-
Aprosmictus scapulatus, ii. 174.
-
Aquatic birds, frequency of white plumage in, ii. 229.
-
Aquila chrysaëtos, ii. 105.
-
Arab women, elaborate and peculiar coiffure of, ii. 353.
-
Arabs, gashing of cheeks and temples among the, ii. 339.
-
Arachnida, i. 337.
-
Arakhan, artificial widening of the forehead by the natives of, ii. 351.
-
Arboricola, young of, ii. 190.
-
Archeopteryx, i. 204.
-
Arctiidæ,, coloration of the, i. 396.
-
Ardea asha, rufescens, and cærulea, change of colour in, ii. 231, 232.
-
Ardea cærulea, breeding in immature plumage, ii. 214.
-
Ardea gularis, change of plumage in, ii. 232.
-
Ardea herodias, love-gestures of the male, ii. 68.
-
Ardea ludoviciana, age of mature plumage in, ii. 213;
-
continued growth of crest and plumes in the male of, ii. 216.
-
Ardea nycticorax, cries of, ii. 51.
-
Ardeola, young of, ii. 190.
-
Ardetta, changes of plumage in, ii. 179.
-
Argenteuil, i. 29.
-
Argus pheasant, ii. 72, 97, 181;
-
display of plumage by the male, ii. 91;
-
ocellated spots of the, ii. 134, 141;
-
gradation of characters in the, ii. 141.
-
Argyll, Duke of, the fashioning of implements peculiar to man, i. 52;
-
on the contest in man between right and wrong, i. 104;
-
on the physical weakness of man, i. 156;
-
on the primitive civilisation of man, i. 181;
-
on the plumage of the male Argus pheasant, ii. 91;
-
on Urosticte Benjamini, ii. 151;
-
on the nests of birds, ii. 167;
-
on variety as an object in nature, ii. 230.
-
Argynnis aglaia, colouring of the lower surface of, i. 396.
-
Aricoris epitus, sexual differences in the wings of, i. 345.
-
Aristocracy, increased beauty of the, ii. 356.
-
Arms, proportions of, in soldiers and sailors, i. 116;
-
direction of the hair on the, i. 192.
-
Arms and hands, free use of, indirectly correlated with diminution of canines, i. 144.
-
Arrest of development, i. 121, 122.
-
Arrow-heads, stone, general resemblance of, i. 233.
-
Arrows, use of, i. 232.
-
Arteries, variations in the course of the, i. 108.
-
Artery, effect of tying, upon the lateral channels, i. 116.
-
Arthropoda, i. 328.
-
Arts practised by savages, i. 234.
-
Ascension, coloured incrustation on the rocks of, i. 326.
-
Ascidia, affinity of the lancelet to, i. 205;
-
tadpole-like larvæ of, i. 205.
-
Ascidians, i. 324;
-
bright colours of some, i. 322.
-
Asinus, Asiatic and African species of, ii. 306.
-
Asinus tæniopus, ii. 306.
-
Ass, colour-variations of the, ii. 305.
-
Ateles, effects of brandy on an, i. 12;
-
absence of the thumb in, i. 140.
-
Ateles beelzebuth, ears of, i. 23.
-
Ateles marginatus, colour of the ruff of, ii. 291;
-
hair on the head of, ii. 109;
-
on the recognition of a dog by a turkey, ii. 110;
-
on the selection of a mate by female birds, ii. 307.
-
Ateuchus, stridulation of, i. 384.
-
Ateuchus cicatricosus, habits of, i. 376.
-
Athalia, proportions of the sexes in, i. 314.
-
Attention, manifestations of, in animals, i. 44.
-
Audouin, V., on a hymenopterous parasite with a sedentary male, i. 273.
-
Audubon, J. J., on the pugnacity of male birds, ii. 43, 48;
-
on Tetrao cupido, ii. 50;
-
on Ardea nycticorax, ii. 51;
-
on Sturnella ludoviciana, ii. 51;
-
on the vocal organs of Tetrao cupido, ii. 56;
-
on the drumming of the male Tetrao umbellus, ii. 61;
-
on sounds produced by the nightjar, ii. 63;
-
on Ardea herodias and Cathartes jota, ii. 68;
-
on the spring change of colour in some finches, ii. 86;
-
on Mimus polyglottus, ii. 116;
-
on the turkey, ii. 119, 121;
-
on variation in the male scarlet tanager, ii. 126;
-
on the habits of Pyranga æstiva, ii. 167;
-
on local differences in the nests of the same species of birds, ii. 171;
-
on the habits of woodpeckers, ii. 175;
-
on Bombycilla carolinensis, ii. 180;
-
on young females of Tanagra æstiva acquiring male characters, ii. 180;
-
on the immature plumage of thrushes, ii. 185;
-
on the immature plumage of birds, ii. 186 et seq.;
-
on birds breeding in immature plumage, ii. 214;
-
on the growth of the crest and plumes in the male Ardea ludoviciana, ii. 216;
-
on the change of colour in some species of Ardea, ii. 231;
-
on the speculum of Mergus cucullatus, ii. 291;
-
on the musk-rat, ii. 298.
-
Audubon and Bachman, MM., on squirrels fighting, ii. 239;
-
on the Canadian lynx, ii. 267.
-
Austen, N. L., on Anolis cristatellus, ii. 32, 33.
-
Australia, half-castes killed by the natives of, i. 220;
-
lice of the natives of, i. 220;
-
not the birthplace of man, i. 199;
-
prevalence of female infanticide in, ii. 364.
-
Australia, South, variation in the skulls of aborigines of, i. 108.
-
Australians, colour of newborn
children of, ii. 318;
-
height of the sexes of, ii. 320;
-
women a cause of war among the, ii. 323.
-
Axis deer, sexual difference in the colour of the, ii. 290.
-
Aymaras, measurements of the, i. 119;
-
no grey hair among the, ii. 320;
-
hairlessness of the face in the, ii. 322;
-
long hair of the, ii. 348.
-
Azara, on the proportion of men and women among the Guaranys, i. 302;
-
on Palamedea cornuta, ii. 48;
-
on the beards of the Guaranys, ii. 322;
-
on strife for women among the Guanas, ii. 324;
-
on infanticide, ii. 344, 364;
-
on the eradication of the eyebrows and eyelashes by the Indians of Paraguay, ii. 348;
-
on polyandry among the Guanas, ii. 366;
-
celibacy unknown among the savages of South America, ii. 367;
-
on the freedom of divorce among the Charruas, ii. 372.
-
B.
-
Babbage, C., on the greater proportion of illegitimate female births, i. 302.
-
Babirusa, tusks of the, ii. 264.
-
Baboon, employing a mat for shelter against the sun, i. 53;
-
manifestation of memory by a, i. 45;
-
protected from punishment by its companions, i. 78;
-
rage excited in, by reading, i. 42.
-
Baboon, Cape, mane of the male, ii. 267;
-
Hamadryas, mane of the male, ii. 267.
-
Baboons, effects of intoxicating liquors on, i. 12;
-
ears of, i. 23;
-
manifestation of maternal affection by, i. 41;
-
using stones and sticks as weapons, i. 51;
-
co-operation of, i. 75;
-
silence of, on plundering expeditions, i. 79;
-
diversity of the mental faculties in, i. 110;
-
hands of, i. 139;
-
habits of, i. 141;
-
variability of the tail in, i. 150;
-
apparent polygamy of, i. 266;
-
polygamous and social habits of, ii. 362.
-
Bachman, Dr., on the fertility of mulattoes, i. 221.
-
Baer, K. E. von, on embryonic development, i. 14.
-
Bagehot, W., on the social virtues among primitive men, i. 93;
-
on the value of obedience, i. 162;
-
on human progress, i. 166;
-
on the persistence of savage tribes in classical times, i. 239.
-
Bailly, E. M., on the fighting of stags, ii. 252;
-
on the mode of fighting of the Italian buffalo, ii. 250.
-
Bain, A., on the sense of duty, i. 71;
-
aid springing from sympathy, i. 77;
-
on the basis of sympathy, i. 82;
-
on love of approbation, &c., i. 86;
-
on the idea of beauty, ii. 354.
-
Baird, W., on a difference in colour between the males and females of some Entozoa, i. 321.
-
Baker, Mr., observation on the proportion of the sexes in pheasant-chicks, i. 306.
-
Baker, Sir S., on the fondness of the Arabs for discordant music, ii. 67;
-
on sexual difference in the colours of an antelope, ii. 289;
-
on the elephant and rhinoceros attacking white or grey horses, ii. 295;
-
on the disfigurements practised by the negroes, ii. 296;
-
on the gashing of the cheeks and temples practised in Arab countries, ii. 339;
-
on the coiffure of the North Africans, ii. 340;
-
on the perforation of the lower lip by the women of Latooka, ii. 341;
-
on the distinctive characters of the coiffure of central African tribes, ii. 342;
-
on the coiffure of Arab women, ii. 353.
-
“Balz” of the Black-cock, ii. 45, 100.
-
Bantam, Sebright, i. 259, 294.
-
Banteng, horns of, ii. 247;
-
sexual differences in the colours of the, ii. 289.
-
Banyai, colour of the, ii. 346.
-
Barbarism, primitive, of civilised nations, i. 181.
-
Barbs, filamentous, of the feathers, in certain birds, ii. 74.
-
Barr, Mr., on sexual preference in dogs, ii. 272.
-
Barrington, Daines, on the language of birds, i. 55;
-
on the clucking of the hen, ii. 51;
-
on the object of the song of birds, ii. 52;
-
on the singing of female birds, ii. 54;
-
on birds acquiring the songs of other birds, ii. 55;
-
on the muscles of the larynx in song-birds, ii. 55;
-
on the want of the power of song by female birds, ii. 163.
-
Barrow, on the widow-bird, ii. 98.
-
Bartlett, A. D., on the tragopan, i. 270;
-
on the development of the spurs in Crossoptilon auritum, i. 290;
-
on the fighting of the males of Plectropterus gambensis, ii. 46;
-
on the knot, ii. 82;
-
on display in male birds, ii. 87;
-
on the display of plumage by the male Polyplectron, ii. 89;
-
on Crossoptilon auritum and Phasianus Wallichii, ii. 93;
-
on the habits of Lophophorus, ii. 121;
-
on the colour of the mouth in Buceros bicornis, ii. 129;
-
on the incubation of the cassowary, ii. 204;
-
on the Cape Buffalo, ii. 250;
-
on the use of the horns of antelopes, ii. 251;
-
on the fighting of male wart-hogs, ii. 266;
-
on Ammotragus tragelaphus, ii. 282;
-
on the colours of Cercopithecus cephus, ii. 291;
-
on the colours of the faces of monkeys, ii. 310;
-
on the naked surfaces of monkeys, ii. 377.
-
Bartram, on the courtship of the male alligator, ii. 29.
-
Basque language, highly artificial, i. 61.
-
Bate, C. S., on the superior activity of male crustacea, i. 272;
-
on the proportions of the sexes in crabs, i. 315;
-
on the chelæ of crustacea, i. 330;
-
on the relative size of the sexes in crustacea, i. 332;
-
on the colours of crustacea, i. 335.
-
Bates, H. W., on variation in the form of the head of Amazonian Indians, i. 111;
-
on the proportion of the sexes among Amazonian butterflies, i. 309;
-
on sexual differences in the wings of butterflies, i. 345;
-
on the field-cricket, i. 353;
-
on Pyrodes pulcherrimus, i. 367;
-
on the horns of Lamellicorn beetles, i. 370, 371;
-
on the colours of Epicaliæ, &c., i. 388;
-
on the coloration of tropical butterflies, i. 391;
-
on the variability of Papilio Sesostris and Childrenæ, i. 402;
-
on male and female butterflies inhabiting different stations, i. 403;
-
on mimickry, i. 411;
-
on the caterpillar of a Sphinx, i. 416;
-
on the vocal organs of the umbrella-bird, ii. 58;
-
on the toucans, ii. 227;
-
on Brachyurus calvus, ii. 309.
-
Batokas, knocking out two upper incisors, ii. 340.
-
Batrachia, ii. 25;
-
eagerness of male, i. 272.
-
Bats, sexual differences in the colour of, ii. 286.
-
Battle, law of, i. 182;
-
among beetles, i. 375;
-
among birds, ii. 40;
-
among mammals, ii. 239 et seq.;
-
in man, ii. 323.
-
Beak, sexual difference in the forms of the, ii. 39;
-
in the colour of the, ii. 72.
-
Beaks, of birds, bright colours of, ii. 227.
-
Beard, development of, in man, ii. 317;
-
analogy of the, in man and the quadrumana, ii. 319;
-
variation of the development of the, in different races of men, ii. 321;
-
estimation of, among bearded nations, ii. 349;
-
probable origin of the, ii. 379.
-
Beards, in monkeys, i. 192;
-
Beautiful, taste for the, in birds, ii. 108;
-
in the quadrumana, ii. 296.
-
Beauty, sense of, in animals, i. 63;
-
appreciation of, by birds, ii. 111;
-
influence of, ii. 338, 343;
-
variability of the standard of, ii. 370.
-
Beavan, Lieut., on the development of the horns in Cervus Eldi, i. 288.
-
Beaver, instinct and intelligence of the, i. 37, 38;
-
voice of the, ii. 277;
-
castoreum of the, ii. 279.
-
Beavers, battles of male, ii. 239.
-
Bechstein, on female birds choosing the best singers among the males, ii. 52;
-
on rivalry in song-birds, ii. 53;
-
on the singing of female birds, ii. 54;
-
on birds acquiring the songs of other birds, ii. 55;
-
on pairing the canary and siskin, ii. 115;
-
on a sub-variety of the monk pigeon, ii. 132;
-
on spurred hens, ii. 162.
-
Beddoe, Dr., on causes of difference in stature, i. 115.
-
Bee-eater, ii. 56.
-
Bees, i. 73;
-
destruction of drones and queens by, i. 82;
-
pollen-baskets and stings of, i. 155;
-
female, secondary sexual characters of, i. 254;
-
difference of the sexes in, i. 365.
-
Beetle, luminous larva of a, i. 345.
-
Beetles, i. 366;
-
size of the cerebral ganglia in, i. 145;
-
dilatation of the fore tarsi in male, i. 343;
-
blind, i. 367;
-
stridulation of, i. 378.
-
Belgium, ancient inhabitants of, i. 237.
-
Bell, Sir C, on emotional muscles in man, i. 5;
-
“snarling muscles,” i. 127;
-
on the hand, i. 141.
-
Bell, T., on the numerical proportion of the sexes in moles, i. 305;
-
on the newts, ii. 24;
-
on the croaking of the frog, ii. 27;
-
on the difference in the coloration of the sexes in Zootoca vivipara, ii. 36;
-
on moles fighting, ii. 239.
-
Bell-bird, sexual difference in the colour of the, ii. 79.
-
Bell-birds, colours of, ii. 228.
-
Benevolence, manifested by birds, ii. 109.
-
Bennett, A. W., on the habits of Dromœus irroratus, ii. 205.
-
Bennett, Dr., on birds of paradise, ii. 89.
-
Bernicla antarctica, colours of, ii. 228.
-
Bernicle gander pairing with a Canada goose, ii. 114.
-
Bettoni, E., on local differences in the nests of Italian birds, ii. 171.
-
Bhoteas, colour of the beard in, ii. 319.
-
Bhringa, disciform tail-feathers of, ii. 83.
-
Bibio, sexual differences in the genus, i. 349.
-
Bichat, on beauty, ii. 354.
-
Bile, coloured, in many animals, i. 323.
-
Bimana, i. 190.
-
Birds, imitations of the songs of other birds by, i. 44;
-
dreaming, i. 46;
-
language of, i. 55;
-
sense of beauty in, i. 63;
-
pleasure of, in incubation, i. 79;
-
male, incubation by, i. 210;
-
and reptiles, alliance of, i. 213;
-
sexual differences in the beak of some, i. 255;
-
migratory, arrival of the male before the female, i. 259;
-
apparent relation between polygamy and marked sexual differences in, i. 270;
-
monogamous, becoming polygamous under domestication, i. 270;
-
eagerness of male in pursuit of the female, i. 272;
-
wild, numerical proportion of the sexes in, i. 306;
-
secondary sexual characters of, ii. 38;
-
difference of size in the sexes of, ii. 43;
-
fights of male, witnessed by females, ii. 49;
-
display of male, to captivate the females, ii. 50;
-
close attention of, to the songs of others, ii. 52;
-
acquiring the song of their foster-parents, ii. 55;
-
brilliant, rarely good songsters, ii. 56;
-
love-antics and dances of, ii. 68;
-
coloration of, ii. 74 et seqq.;
-
moulting of, ii. 80 et seqq.;
-
unpaired, ii. 103;
-
male, singing out of season, ii. 106;
-
mutual affection of, ii. 108;
-
in confinement, distinguish persons, ii. 110;
-
hybrid, production of, ii. 113;
-
European, number of species of, ii. 124;
-
variability of, ii. 124;
-
gradation of secondary sexual characters in, ii. 135;
-
obscurely coloured, building concealed nests, ii. 169;
-
young female, acquiring male characters, ii. 180;
-
breeding in immature plumage, ii. 214;
-
moulting of, ii. 214;
-
aquatic, frequency of white plumage in, ii. 229;
-
vocal courtship of, ii. 331;
-
naked skin of the head and neck in, ii. 377.
-
Birgus latro, habits of, i. 334.
-
Birkbeck, Mr. on the finding of new mates by Golden Eagles, ii. 105.
-
Birthplace of man, i. 199.
-
Births, numerical proportions of the sexes in, in animals and man, i. 263, 265;
-
male and female, numerical proportion of, in England, i. 300.
-
Bischoff, Prof., on the agreement between the brains of man and of the Orang, i. 11;
-
figure of the embryo of the dog, i. 15;
-
on the convolutions of the brain in the human fœtus, i. 16;
-
on the difference between the skulls of man and the quadrumana, i. 190.
-
Bishop, J., on the vocal organs of frogs, ii. 28;
-
on the vocal organs of corvine birds, ii. 55;
-
on the trachea of the Merganser, ii. 60.
-
Bison, American, mane of the male, ii. 267.
-
Bitterns, dwarf, coloration of the sexes of, ii. 179.
-
Biziura lobata, musky odour of the male, ii. 38;
-
large size of male, ii. 43.
-
Blackbird, sexual differences in the, i. 268;
-
proportion of the sexes in the, i. 307;
-
acquisition of a song by a, ii. 55;
-
colour of the beak in the sexes of the, ii. 72, 227;
-
pairing with a thrush, ii. 113;
-
colours and nidification of the, ii. 170;
-
young of the, ii. 219;
-
sexual difference in coloration of the, ii. 226.
-
Black-buck, Indian, sexual difference in the colour of the, ii. 288.
-
Blackcap, arrival of the male, before the female, i. 259;
-
Black-cock, polygamous, i. 269;
-
proportion of the sexes in the, i. 306;
-
pugnacity and love-dance of the, ii. 45;
-
call of the, ii. 60;
-
moulting of the, ii. 83;
-
duration of the courtship of the, ii. 100;
-
sexual difference in coloration of the, ii. 226;
-
crimson eye-cere of the, ii. 227;
-
and pheasant, hybrids of, ii. 113.
-
Black-grouse, characters of young, ii. 185, 194.
-
Blackwall, J., on the speaking of the magpie, i. 59;
-
on the desertion of their young by swallows, i. 84;
-
on the superior activity of male spiders, i. 272;
-
on the proportion of the sexes in spiders, i. 314;
-
on sexual variation of colour in spiders, i. 337;
-
on male spiders, i. 338.
-
Bladder-nose Seal, hood of the, ii. 278.
-
Blaine, on the affections of dogs, ii. 270.
-
Blair, Dr., on the relative liability of Europeans to yellow fever, i. 243.
-
Blake, C. C., on the jaw from La Naulette, i. 126.
-
Blakiston, Capt., on the American snipe, ii. 64;
-
on the dances of Tetrao phasianellus, ii. 69.
-
Blasius, Dr., on the species of European birds, ii. 124.
-
Bledius taurus, hornlike processes of male, i. 374.
-
Bleeding, tendency to profuse, i. 292.
-
Blenkiron, Mr., on sexual preference in horses, ii. 272.
-
Blennies, crest developed on the head of male, during the breeding season, ii. 12.
-
Blethisa multipunctata, stridulation of, i. 379.
-
Bloch, on the proportions of the sexes in Fishes, i. 308.
-
Blood, arterial, red colour of, i. 323.
-
Blood-pheasant, number of spurs in, ii. 46.
-
Bluebreast, red-throated, sexual differences of the, ii. 195.
-
Blumenbach, on Man, i. 111;
-
on the large size of the nasal cavities in American aborigines, i. 119;
-
on the position of man, i. 190;
-
on the number of species of man, i. 226.
-
Blyth, E., observations on Indian crows, i. 77;
-
on the structure of the hand in species of Hylobates, i. 140;
-
on the ascertainment of the sex of nestling bullfinches by pulling out breast-feathers, ii. 24;
-
on the pugnacity of the males of Gallinula cristata, ii. 41;
-
on the presence of spurs in the female Euplocamus erythropthalmus, ii. 46;
-
on the pugnacity of the amadavat, ii. 49;
-
on the spoonbill, ii. 60;
-
on the moulting of Anthus, ii. 83;
-
on the moulting of bustards, plovers, and Gallus bankiva, ii. 84;
-
on the Indian honey-buzzard, ii. 126;
-
on sexual differences in the colour or the eyes of hornbills, ii. 129;
-
on Oriolus melanocephalus, ii. 178;
-
on Palæornis javanicus, ii. 179;
-
on the genus Ardetta, ii. 179;
-
on the peregrine falcon, ii. 180;
-
on young female birds acquiring male characters, ii. 180;
-
on the immature plumage of birds, ii. 185;
-
on representative species of birds, ii. 190;
-
on the young of Turnix, ii. 202;
-
on anomalous young of Lanius rufus and Colymbus glacialis, ii. 211;
-
on the sexes and young of the sparrows, ii. 212;
-
on dimorphism in some herons, ii. 214;
-
on orioles breeding in immature plumage, ii. 214;
-
on the sexes and young of Buphus and Anastomus, ii. 217;
-
on the young of the blackcap and blackbird, ii. 219;
-
on the young of the stonechat, ii. 220;
-
on the white plumage of Anastomus, ii. 229;
-
on the horns of Antilope bezoartica, ii. 246;
-
on the horns of Bovine animals, ii. 247;
-
on the mode of fighting of Ovis cycloceros, ii. 249;
-
on the voice of the Gibbons, ii. 276;
-
on the crest of the male wild goat, ii. 282;
-
on the colours of Portax picta, ii. 287;
-
on the colours of Antilope bezoartica, ii. 288;
-
on the development of the horns in the Koodoo and Eland antelopes, i. 289;
-
on the colour of the Axis deer, ii. 290;
-
on sexual difference of colour in Hylobates hoolock, ii. 291;
-
on the hog-deer, ii. 303;
-
on the beard and whiskers in a monkey becoming white with age, ii. 319.
-
Boar, wild, polygamous in India, i. 267;
-
use of the tusks by the, ii. 256;
-
fighting of, ii. 263.
-
Boitard and Corbié, MM., on the transmission of sexual peculiarities in pigeons, i. 283;
-
on the antipathy shown by some female pigeons to certain males, ii. 118.
-
Bold, Mr., on the singing of a sterile hybrid canary, ii. 53.
-
Bombet, on the variability of the standard of beauty in Europe, ii. 370.
-
Bombus, difference of the sexes in, i. 366.
-
Bombycidæ, coloration of, i. 394;
-
Bombycilla carolinensis, red appendages of, ii. 179.
-
Bombyx cynthia, i. 346;
-
proportion of the sexes in, i. 309, 313;
-
pairing of, i. 401.
-
Bombyx mori, difference of size of the male and female cocoons of, i. 346;
-
Bombyx Pernyi, proportion of sexes of, i. 313.
-
Bombyx Yamamai, i. 346;
-
M. Personnat on, i. 310;
-
proportion of sexes of, i. 313.
-
Bonaparte, C. L., on the call-notes of the wild turkey, ii. 60.
-
Bond, F., on the finding of new mates by crows, ii. 104.
-
Bone, implements of, skill displayed in making, i. 138.
-
Boner, C., on the transfer of male characters to an old female chamois, ii. 245;
-
on the antlers of the red deer, ii. 252;
-
on the habits of stags, ii. 259;
-
on the pairing of red deer, ii. 269.
-
Bones, increase of, in length and thickness, when carrying a greater weight, i. 116.
-
Bonnet monkey, i. 192.
-
Boomerang, i. 183.
-
Boreus hyemalis, scarcity of the male, i. 314.
-
Bory St. Vincent, on the number of species of man, i. 226;
-
on the colours of Labrus pavo, ii. 16.
-
Bos gaurus, horns of, ii. 247.
-
Bos primigenius, ii. 240.
-
Bos sondaicus, horns of, ii. 247;
-
Botocudos, i. 181;
-
mode of life of, i. 247;
-
disfigurement of the ears and lower lip of the, ii. 341.
-
Boucher de Perthes, J. C. de, on the antiquity of man, i. 3.
-
Bourbon, proportion of the sexes in a species of Papilio from, i. 310.
-
Bourien, on the marriage-customs of the savages of the Malay Archipelago, ii. 373.
-
Bovidæ, dewlaps of, ii. 284.
-
Bower-birds, ii. 102;
-
habits of the, ii. 69;
-
ornamented playing-places of, i. 63, ii. 112.
-
Bows, use of, i. 232.
-
Brachiopoda, i. 329.
-
Brachycephalic structure, possible explanation of, i. 148.
-
Brachyscelus, second pair of antennæ in the male, i. 337.
-
Brachyura, i. 332.
-
Brachyurus calvus, scarlet face of, ii. 309.
-
Brain, of man, agreement of the, with that of lower animals, i. 10;
-
convolutions of, in the human fœtus, i. 16;
-
larger in some existing mammals than in their tertiary prototypes, i. 51;
-
relation of the development of the, to the progress of language, i. 57;
-
disease of the, affecting speech, i. 58;
-
influence of development of mental faculties upon the size of the, i. 145;
-
influence of the development of, on the spinal column and skull, i. 146;
-
difference in the convolutions of, in different races of men, i. 216.
-
Brakenridge, Dr., on the influence of climate, i. 115.
-
Braubach, Prof., on the quasi-religious feeling of a dog towards his master, i. 68;
-
on the self-restraint of dogs, i. 78.
-
Brauer, F., on dimorphism in Neurothemis, i. 363.
-
Brazil, skulls found in caves of, i. 218;
-
population of, i. 225;
-
compression of the nose by the natives of, ii. 352.
-
Break between man and the apes, i. 200.
-
Bream, proportion of the sexes in the, i. 308.
-
Breeding, age of, in birds, ii. 214.
-
Breeding season, sexual characters making their appearance in the, in birds, ii. 80.
-
Brehm, on the effects of intoxicating liquors on monkeys, i. 12;
-
on the recognition of women by male Cynocephali, i. 13;
-
on revenge taken by monkeys, i. 40;
-
on manifestations of maternal affection by monkeys and baboons, i. 41;
-
on the instinctive dread of monkeys for serpents, i. 42;
-
on a baboon using a mat for shelter from the sun, i. 53;
-
on the use of stones as missiles by baboons, i. 51;
-
on the signal-cries of monkeys, i. 57;
-
on sentinels posted by monkeys, i. 74;
-
on co-operation of animals, i. 75;
-
on an eagle attacking a young Cercopithecus, i. 76;
-
on baboons in confinement protecting one of their number from punishment, i. 78;
-
on the habits of baboons when plundering, i. 79;
-
on the diversity of the mental faculties of monkeys, i. 110;
-
on the habits of baboons, i. 141;
-
on polygamy in Cynocephalus and Cebus, i. 266;
-
on the numerical proportion of the sexes in birds, i. 306;
-
on the love-dance of the Black-cock, ii. 45;
-
on Palamedea cornuta, ii. 48;
-
on the habits of the Black-grouse, ii. 49;
-
on sound produced by Birds of Paradise, ii. 63;
-
on assemblages of grouse, ii. 101;
-
on the finding of new mates by birds, ii. 106;
-
on the fighting of wild boars, ii. 263;
-
on the habits of Cynocephalus hamadryas, ii. 362.
-
Brent, Mr., on the courtship of fowls, ii. 117.
-
Breslau, numerical proportion of male and female births in, i. 301.
-
Bridgman, Laura, i. 57.
-
Brimstone butterfly, i. 393;
-
sexual difference of colour in the, i. 409.
-
British, ancient, tattooing practised by, ii. 339.
-
Broca, Prof., on the occurrence of the supra-condyloid foramen in the human humerus, i. 28;
-
on the capacity of Parisian skulls at different periods, i. 146;
-
on the influence of natural selection, i. 152;
-
on hybridity in man, i. 220;
-
on human remains from Les Eyzies, i. 237;
-
on the cause of the difference between Europeans and Hindoos, i. 240.
-
Brodie, Sir B., on the origin of the moral sense in man, i. 71.
-
Bronn, H. G., on the copulation of insects of distinct species, i. 342.
-
Bronze period, men of, in Europe, i. 160.
-
Brown, R., sentinels of seals generally females, i. 74;
-
on the battles of seals, ii. 240;
-
on the narwhal, ii. 242;
-
on the occasional absence of the tusks in the female walrus, ii. 242;
-
on the bladder-nose seal, ii. 278;
-
on the colours of the sexes in Phoca grœnlandica, ii. 287;
-
on the appreciation of music by seals, ii. 333;
-
on plants used as love-philters, by North American women, ii. 344.
-
Brown-Séquard, Dr., on the inheritance of the effects of operations by guinea pigs, ii. 380.
-
Bruce, on the use of the elephant’s tusks, ii. 249.
-
Brulerie, P. de la, on the habits of Ateuchus cicatricosus, i. 376;
-
on the stridulation of Ateuchus, i. 384.
-
Brünnich, on the pied ravens of the Feroe islands, ii. 126.
-
Bryant, Capt., on the courtship of Callorhinus ursinus, ii. 269.
-
Bubas bison, thoracic projection of, i. 372.
-
Bucephalus capensis, difference of the sexes of, in colour, ii. 29.
-
Buceros, nidification and incubation of, ii. 169.
-
Buceros bicornis, sexual differences in the colouring of the casque, beak, and mouth in, ii. 129.
-
Buceros corrugatus, sexual difference in the beak of, ii. 72.
-
Büchner, L., on the origin of man, i. 4;
-
on the want of self-consciousness, &c., in low savages, i. 62;
-
on the use of the human foot as a prehensile organ, i. 142;
-
on the mode of progression of the apes, i. 142.
-
Buckland, F., on the numerical proportion of the sexes in rats, i. 305;
-
on the proportion of the sexes in the trout, i. 308;
-
on Chimæra monstrosa, ii. 12.
-
Buckland, W., on the complexity of crinoids, i. 61.
-
Buckler, W., proportion of sexes of Lepidoptera reared by, i. 313.
-
Buckinghamshire, numerical proportion of male and female births in, i. 300.
-
Bucorax abyssinicus, inflation of the neck-wattle of the male, during courtship, ii. 72.
-
Budytes Raii, i. 260.
-
Buffalo, Cape, ii. 250.
-
Buffalo, Indian, horns of the, ii. 247.
-
Buffalo, Italian, mode of fighting of the, ii. 250.
-
Buffon, on the number of species of man, i. 226.
-
Bugs, i. 349.
-
Buist, R., on the proportion of the sexes in salmon, i. 308;
-
on the pugnacity of the male salmon, ii. 3.
-
Bulbul, pugnacity of the male, ii. 41;
-
display of under tail-coverts by the male, ii. 96.
-
Bull, mode of fighting of the, ii. 250;
-
curled frontal hair of the, ii. 282.
-
Bullfinch, sexual differences in the, i. 269;
-
piping, ii. 52;
-
female, singing of the, ii. 54;
-
courtship of the, ii. 94;
-
widowed, finding a new mate, ii. 105;
-
attacking a reed-bunting, ii. 111;
-
nestling, sex ascertained by pulling out breast-feathers, ii. 214.
-
Bullfinches distinguishing persons, ii. 110;
-
rivalry of female, ii. 121.
-
Bulls, two young, attacking an old one, i. 75;
-
wild, battles of, ii. 240.
-
Bull-trout, male, colouring of, during the breeding season, ii. 14.
-
Bunting, reed, head feathers of the male, ii. 95;
-
attacked by a bullfinch, ii. 111.
-
Buntings, characters of young, ii. 184.
-
Buphus coromandus, sexes and young of, ii. 217;
-
change of colour in, ii. 231, 232.
-
Burchell, Dr., on the zebra, ii. 302;
-
on the extravagance of a Bushwoman in adorning herself, ii. 344;
-
celibacy unknown among the savages of South Africa, ii. 367;
-
on the marriage-customs of the Bushwomen, ii. 374.
-
Burke, on the number of species of man, i. 226.
-
Burmese, colour of the beard in, ii. 319.
-
Burton, Capt., on negro ideas of female beauty, ii. 346;
-
on a universal ideal of beauty, ii. 351.
-
Bushmen, i. 157.
-
Bushwoman, extravagant ornamentation of a, ii. 344.
-
Bushwomen, hair of, i. 216;
-
marriage-customs of, ii. 374.
-
Busk, Prof. G., on the occurrence of the supra-condyloid foramen in the human humerus, i. 28.
-
Bustard, throat-pouch of the male, ii. 58;
-
humming noise produced by a male, ii. 65;
-
Indian, ear-tufts of a, ii. 73.
-
Bustards, occurrence of sexual differences and of polygamy among the, i. 269;
-
love-gestures of the male, ii. 68;
-
double moult in, ii. 81, 83.
-
Butler, A. G., on sexual differences in the wings of Aricoris epitus, i. 345;
-
>on the colouring of the sexes in species of Thecla, i. 389;
-
on the resemblance of Iphias glaucippe to a leaf, i. 394;
-
on the rejection of certain moths and caterpillars by lizards and frogs, i. 417.
-
Butterfly, noise produced by a, i. 387;
-
Emperor, i. 386, 388;
-
meadow brown, instability of the ocellated spots of, ii. 132.
-
Butterflies, proportion of the sexes in, i. 309;
-
forelegs atrophied in some male, i. 344;
-
sexual difference in the neuration of the wings of, i. 345;
-
pugnacity of male, i. 386;
-
protective resemblances of the lower surface of, i. 392;
-
display of the wings by, i. 396;
-
white, alighting upon bits of paper, i. 400;
-
attracted by a dead specimen of the same species, i. 400;
-
courtship of, i. 400;
-
male and female, inhabiting different stations, i. 403.
-
Buxton, C., observations on macaws, i. 76;
-
on an instance of benevolence in a parrot, ii. 109.
-
Buzzard, Indian honey-, variation in the crest of, ii. 126.
-
C.
-
Cabbage butterflies, i. 393.
-
Cachalot, large head of the male, ii. 242.
-
Cadences, musical, perception of, by animals, ii. 333.
-
Cæcum, i. 27;
-
large, in the early progenitors of man, i. 206.
-
Cairina moschata, pugnacity of the male, ii. 43.
-
Callianassa, chelæ of, figured, i. 330.
-
Callionymus lyra, characters of the male, ii. 7.
-
Callorhinus ursinus, relative size of the sexes of, ii. 260;
-
Calotes nigrilabris, sexual difference in the colour of, ii. 36.
-
Cambridge, O. Pickard, on the sexes of spiders, i. 315.
-
Camel, canine teeth of male, ii. 241, 257.
-
Campbell, J., on the Indian elephant, i. 267, 268;
-
on the proportion of male and female births in the harems of Siam, i. 303.
-
Campylopterus hemileucurus, i. 307.
-
Canaries distinguishing persons, ii. 110.
-
Canary, polygamy of the, i. 270;
-
change of plumage in, after moulting, i. 294;
-
female, selecting the best singing male, ii. 52;
-
sterile hybrid, singing of a, ii. 53;
-
female, singing of the, ii. 54;
-
selecting a greenfinch, ii. 115;
-
and siskin, pairing of, ii. 115.
-
Canestrini, G., on rudimentary characters and the origin of man, i. 4;
-
on rudimentary characters, i. 17;
-
on the movement of the ear in man, i. 20;
-
on the variability of the vermiform appendage in man, i. 27;
-
on the abnormal division of the malar bone in man, i. 124;
-
on abnormal conditions of the human uterus, i. 124;
-
on the persistence of the frontal suture in man, i. 125;
-
on the proportion of the sexes in silk-moths, i. 309, 311.
-
Canine teeth in man, i. 126;
-
diminution of, in man, i. 144;
-
diminution of, in horses, i. 144;
-
disappearance of, in male ruminants, i. 144;
-
large, in the early progenitors of man, i. 206.
Canines, and horns, inverse development of, ii. 257.
-
Canoes, use of, i. 137, 234.
-
Cantharis, difference of colour in the sexes of a species of, i. 367.
-
Capercailzie, proportion of the sexes in the, i. 306;
-
pugnacity of the male, ii. 45;
-
pairing of the, ii. 49;
-
autumn meetings of the, ii. 54;
-
call of the, ii. 61;
-
duration of the courtship of, ii. 100;
-
behaviour of the female, ii. 121;
-
inconvenience of black colour to the female, ii. 154;
-
sexual difference in coloration of the, ii. 226;
-
crimson eye-cere of the male, ii. 227;
-
polygamous, i. 269.
-
Capital, i. 169.
-
Capitonidæ, colours and nidification of the, ii. 171.
-
Capra ægagrus, ii. 249;
-
crest of the male, ii. 282;
-
sexual difference in the colour of, ii. 289.
-
Capreolus Sibiricus subecaudatus, ii. 298.
-
Caprice, common to man and animals, i. 65.
-
Caprimulgus, noise made by the males of some species of, with their wings, ii. 62.
-
Caprimulgus virginianus, pairing of, ii. 49.
-
Carabidæ, bright colours of, i. 367.
-
Carbonnier, on the natural history of the pike, i. 308;
-
the relative size of the sexes in fishes, ii. 7.
-
Carcineutes, sexual difference of colour in, ii. 173.
-
Carcinus mænas, i. 331, 333.
-
Carduelis elegans, sexual differences of the beak in, ii. 39.
-
Carnivora, marine, polygamous habits of, i. 268;
-
sexual differences in the colours of, ii. 286.
-
Carp, numerical proportion of the sexes in the, i. 308.
-
Carr, R., on the peewit, ii. 48.
-
Carrier pigeon, late development of the wattle in the, i. 293.
-
Carrion beetles, stridulation of, i. 378.
-
Carus, Prof. V., on the development of the horns in merino sheep, i. 289.
-
Cassowary, sexes and incubation of the, ii. 204.
-
Castoreum, ii. 279.
-
Casuarius galeatus, ii. 204.
-
Cat, convoluted body in the extremity of the tail of a, i. 30;
-
sick, sympathy of a dog with a, i. 77.
-
Cataract in Cebus Azaræ, i. 12.
-
Catarrh, liability of Cebus Azaræ to, i. 11.
-
Catarrhine monkeys, i. 196.
-
Caterpillars, bright colours of, i. 415.
-
Cathartes aura, ii. 116.
-
Cathartes jota, love-gestures of the male, ii. 68.
-
Catlin, G., on the development of the beard among North American Indians, ii. 322;
-
on the great length of the hair in some North American tribes, ii. 348.
-
Caton, J. D., on the development of the horns in Cervus virginianus and strongyloceros, i. 288;
-
on the presence of traces of horns in the female wapiti, ii. 245;
-
on the fighting of deer, ii. 252;
-
on the crest of the male wapiti, ii. 282;
-
on the colours of the Virginian deer, ii. 288;
-
on sexual differences of colour in the wapiti, ii. 289;
-
on the spots of the Virginian deer, ii. 303.
-
Cats, dreaming, i. 46;
-
tortois-eshell, i. 283, 285, 293;
-
enticed by valerian, ii. 281;
-
colours of, ii. 299.
-
Cattle, domestic, sexual differences of, late developed, i. 293;
-
rapid increase of, in South America, i. 135;
-
domestic, lighter in winter in Siberia, i. 282;
-
horns of, i. 289, ii. 247;
-
numerical proportion of the sexes in, i. 305.
-
Caudal vertebræ, number of, in macaques and baboons, i. 150;
-
basal, of monkeys, imbedded in the body, i. 151.
-
Cebus, maternal affection in a, i. 40;
-
gradation of species of, i. 227.
-
Cebus Azaræ, liability of, to the same diseases as man, i. 11;
-
distinct sounds produced by, i. 53;
-
early maturity of the female, ii. 318.
-
Cebus capucinus, polygamous, i. 266;
-
sexual differences of colour in, ii. 290;
-
hair on the head of, ii. 307.
-
Cebus vellerosus, hair on the head of, ii. 307.
-
Cecidomyidæ, proportions of the sexes in, i. 314.
-
Celibacy, unknown among the savages of South Africa and South America, ii. 367.
-
Centipedes, i. 339.
-
Cephalopoda, absence of secondary sexual characters in, i. 325.
-
Cephalopterus ornatus, ii. 58, 59.
-
Cephalopterus penduliger, ii. 59.
-
Cerambyx heros, stridulant organ of, i. 380.
-
Ceratophora aspera, nasal appendages of, ii. 34.
-
Ceratophora Stoddartii, nasal horn of, ii. 34.
-
Cerceris, habits of, i. 364.
-
Cercocebus æthiops, whiskers, &c., of, ii. 308.
-
Cercopithecus, young, seized by an eagle and rescued by the troop, i. 76;
-
definition of species of, i. 227.
-
Cercopithecus cephus, sexual difference of colour in, ii. 291, 311.
-
Cercopithecus cynosurus and griseo-viridis, colour of the scrotum in, ii. 291.
-
Cercopithecus Diana, sexual differences of colour in, ii. 291, 311, 312.
-
Cercopithecus griseo-viridis, i. 75.
-
Cercopithecus petaurista, whiskers, &c., of, ii. 308.
-
Ceres, of birds, bright colours of, ii. 227.
-
Ceriornis Temminckii, swelling of the wattles of the male during courtship, ii. 72.
-
Cervulus, weapons of, ii. 257.
-
Cervulus moschatus, rudimentary horns of the female, ii. 245.
-
Cervus alces, i. 288.
-
Cervus campestris, odour of, ii. 279.
-
Cervus canadensis, traces of horns in the female, ii. 245;
-
attacking a man, ii. 253;
-
sexual difference in the colour of, ii. 289.
-
Cervus elaphus, battles of male, ii. 240;
-
horns of, with numerous points, ii. 252.
-
Cervus Eldi, i. 288.
-
Cervus mantchuricus, ii. 303.
-
Cervus paludosus, colours of, ii. 290.
-
Cervus strongyloceros, i. 288.
-
Cervus virginianus, i. 288;
-
horns of, in course of modification, ii. 255.
-
Ceryle, male black-belted in some species of, ii. 173.
-
Cetacea, nakedness of, i. 148.
-
Ceylon, frequent absence of beard in the natives of, ii. 321.
-
Chaffinch, proportion of the sexes in the, i. 306, 307;
-
courtship of the, ii. 94.
-
Chaffinches, ii. 53;
-
new mates found by, ii. 105.
-
Chalcophaps indicus, characters of young, ii. 185.
-
Chalcosoma atlas, sexual differences of, i. 368.
-
Chamæleon, sexual differences in the genus, ii. 34.
-
Chamæleon bifurcus, ii. 34, 35.
-
Chamæleon Owenii, ii. 34, 36.
-
Chameleons, ii. 32.
-
Chamois, danger-signals of, i. 74;
-
transfer of male characters to an old female, ii. 245.
-
Chamæpetes unicolor, modified wing-feather in the male, ii. 64.
-
Chapuis, Dr., on the transmission of sexual peculiarities in pigeons, i. 283;
-
on streaked Belgian pigeons, i. 294, ii. 157.
-
Char, male, colouring of, during the breeding season, ii. 14.
-
Characters, male, developed in females, i. 280;
-
natural, artificial exaggeration of, by man, ii. 351;
-
secondary sexual, transmitted through both sexes, i. 279.
-
Charadrius hiaticula and pluvialis, sexes and young of, ii. 216.
-
Chardin on the Persians, ii. 356.
-
Charms, worn by women, ii. 344.
-
Charruas, freedom of divorce among the, ii. 372.
-
Chasmorhynchus, difference of colour in the sexes of, ii. 79;
-
Chastity, early estimation of, i. 96.
-
Chatterers, sexual differences in, i. 269.
-
Cheiroptera, absence of secondary sexual characters in, i. 268.
-
Chelæ of crustacea, i. 330, 336.
-
Chelonia, sexual differences in, ii. 28.
-
Chenalopex ægyptiacus, wing-knobs of, ii. 46.
-
Chera progne, ii. 84, 120.
-
Chest, proportions of, in soldiers and sailors, i. 117;
-
large, of the Quechua and Aymara Indians, i. 119.
-
Chevrotains, canine teeth of, ii. 257.
-
Chiasognathus, stridulation of, i. 384.
-
Chiasognathus Grantii, mandibles of, i. 377.
-
Children, legitimate and illegitimate, proportion of the sexes in, i. 302.
-
Chiloe, lice of the natives of, i. 220;
-
Chimæra monstrosa, bony process on the head of the male, ii. 12.
-
Chimæroid fishes, prehensile organs of male, ii. 1.
-
Chimpanzee, ii. 323;
-
ears of the, i. 21;
-
representatives of the eyebrows in the, i. 25;
-
platforms built by the, i. 36;
-
cracking nuts with a stone, i. 51;
-
hands of the, i. 139;
-
absence of mastoid processes in the, i. 143;
-
direction of the hair on the arms of the, i. 192;
-
supposed evolution of the, i. 230;
-
polygamous and social habits of the, ii. 362.
-
China, North, idea of female beauty in, ii. 344.
-
China, Southern, inhabitants of, i. 246.
-
Chinese, use of flint tools by the, i. 183;
-
difficulty of distinguishing the races of the, i. 215;
-
colour of the beard in, ii. 319;
-
general beardlessness of the, ii. 321;
-
opinions of the, on the appearance of Europeans and Cingalese, ii. 345, 347;
-
compression of the feet of, ii. 352.
-
Chinsurdi, his opinion of beards, ii. 341, 349.
-
Chlamydera maculata, ii. 70.
-
Chloëon, pedunculated eyes of the male of, i. 341.
-
Chloephaga, coloration of the sexes in, ii. 178.
-
Chlorocœlus Tanana (figured), i. 355.
-
Chorda Dorsalis, i. 207.
-
Chough, red beak of the, ii. 227.
-
Chromidæ, frontal protuberance in male, ii. 13;
-
sexual differences in colour of, ii. 20.
-
Chrysemys picta, long claws of the male, ii. 28.
-
Chrysococcyx, characters of young of, ii. 185.
-
Chrysomela cerealis, bright colours of, i. 367.
-
Chrysomelidæ, stridulation of, i. 379.
-
Cicada pruinosa, i. 351.
-
Cicada septendecim, i. 351.
-
Cicadæ, songs of the, i. 350;
-
rudimentary sound-organs in females of, i. 359.
-
Cicatrix of a burn, causing modification of the facial bones, i. 147.
-
Cichla, frontal protuberance of male, ii. 13.
-
Cimetière du Sud, Paris, i. 28.
-
Cincloramphus cruralis, large size of male, ii. 43.
-
Cinclus aquaticus, ii. 170.
-
Cingalese, Chinese opinion of the appearance of the, ii. 345.
-
Cirripedes, complemental males of, i. 255.
-
Civilisation, effects of, upon natural selection, i. 170;
-
influence of, in the competition of nations, i. 239.
-
Clanging of Geese, &c., ii. 51.
-
Claparède, E., on natural selection applied to man, i. 137.
-
Clarke, on the marriage-customs of the Kalmucks, ii. 373.
-
Classification, i. 188.
-
Claus, C., on the sexes of Saphirina, i. 336.
-
Cleft-palate, inherited, i. 121.
-
Climacteris erythrops, sexes of, ii. 206.
-
Climate, i. 115;
-
cool, favourable to human progress, i. 167;
-
power of supporting extremes of, by man, i. 237;
-
want of connexion of, with colour, i. 241.
-
Cloaca, existence of a, in the early progenitors of man, i. 207.
-
Cloacal passage existing in the human embryo, i. 16.
-
Club, origin of the, i. 234.
-
Clucking of fowls, ii. 51.
-
Clythra 4-punctata, stridulation of, i. 379.
-
Cobra, ingenuity of a, ii. 31.
-
Coccus, i. 186.
-
Coccyx, i. 29, 30;
-
in the human embryo, i. 16;
-
convoluted body at the extremity of the, i. 30;
-
imbedded in the body, i. 151.
-
Cochin-China, notions of beauty of the inhabitants of, ii. 345, 347.
-
Cock, game, killing a kite, ii. 44;
-
blind, fed by its companions, i. 77;
-
comb and wattles of the, ii. 98;
-
preference shown by the, for young hens, ii. 121;
-
game, transparent zone in the hackles of a, ii. 136.
-
Cock of the rock, ii. 100.
-
Cockatoos, ii. 226, 228, 230;
-
nestling, ii. 109;
-
black, immature plumage of, ii. 188.
-
Cœlenterata, absence of secondary sexual characters in, i. 321.
-
Coffee, fondness of monkeys for, i. 12.
-
Cold, supposed effects of, i. 116;
-
power of supporting, by man, i. 237.
-
Coleoptera, i. 366;
-
stridulant organs of, discussed, i. 381.
-
Collingwood, C., on the pugnacity of the butterflies of Borneo, i. 386;
-
on butterflies being attracted by a dead specimen of the same species, i. 400.
-
Colombia, flattened heads of savages of, ii. 340.
-
Colonists, success of the English as, i. 179.
-
Coloration, protective, in birds, ii. 223.
-
Colour, supposed to be dependent on light and heat, i. 115;
-
correlation of, with immunity from certain poisons and parasites, i. 242;
-
purpose of, in lepidoptera, i. 399;
-
relation of, to sexual functions, in fishes, ii. 14;
-
difference of, in the sexes of snakes, ii. 29;
-
sexual differences of, in lizards, ii. 36;
-
influence of, in the pairing of birds of different species, ii. 115;
-
relation of, to nidification, ii. 167, 172;
-
sexual differences of, in mammals, ii. 286, 294;
-
recognition of, by quadrupeds, ii. 295;
-
of children, in different races of man, ii. 318;
-
of the skin in man, ii. 381.
-
Colours, admired alike by man and animals, i. 64;
-
bright, due to sexual selection, i. 322;
-
bright, among the lower animals, i. 322, 323;
-
bright, protective to butterflies and moths, i. 395;
-
bright, in male fishes, ii. 7, 13;
-
transmission of, in birds, ii. 159.
-
Colquhoun, example of reasoning in a retriever, i. 48.
-
Columba passerina, young of, ii. 188.
-
Colymbus glacialis, anomalous young of, ii. 211.
-
Comb, development of, in fowls, i. 295.
-
Combs and wattles in male birds, ii. 98.
-
Community, preservation of variations useful to the, by natural selection, i. 155.
-
Compositæ, gradation of species among the, i. 227.
-
Comte, C., on the expression of the ideal of beauty by sculpture, ii. 380.
-
Conditions of life, action of changed, upon man, i. 113;
-
influence of, on plumage of birds, ii. 196.
-
Condor, eyes and comb of the, ii. 129.
-
Conjugations, origin of, i. 61.
-
Conscience, i. 91, 104;
-
absence of, in some criminals, i. 92.
-
Constitution, difference of, in different races of men, i. 216.
-
Consumption, liability of Cebus Azaræ to, i. 12;
-
connexion between complexion and, i. 244.
-
Convergence, i. 230.
-
Cooing of pigeons and doves, ii. 60.
-
Cook, Capt., on the nobles of the Sandwich Islands, ii. 356.
-
Cope, E. D., on the dinosauria, i. 204;
-
on the origin of genera, ii. 215.
-
Cophotis ceylanica, sexual differences of, ii. 32, 36.
-
Copris, i. 370.
-
Copris Isidis, sexual differences of, i. 369.
-
Copris lunaris, stridulation of, i. 380.
-
Corals, bright colours of, i. 322.
-
Coral-snakes, ii. 31.
-
Cordylus, sexual difference of colour in a species of, ii. 36.
-
Corfu, habits of the chaffinch in, i. 307.
-
Cornelius, on the proportions of the sexes in Lucanus Cervus, i. 313.
-
Corpora Wolffiana, i. 207;
-
agreement of, with the kidneys of fishes, i. 16.
-
Correlated variation, i. 130.
-
Correlation, influence of, in the production of races, i. 247.
-
Corse, on the mode of fighting of the elephant, ii. 257.
-
Corvus corone, ii. 104.
-
Corvus graculus, red beak of, ii. 227.
-
Corvus pica, nuptial assembly of, ii. 102.
-
Corydalis cornutus, large jaws of the male, i. 342.
-
Cosmetornis, ii. 181.
-
Cosmetornis vexillarius, elongation of wing-feathers in, ii. 73, 97.
-
Cotingidæ, sexual differences in, i. 269;
-
coloration of the sexes of, ii. 177;
-
resemblance of the females of distinct species of, ii. 192.
-
Cottus scorpius, sexual differences in, ii. 9.
-
Counting, origin of, i. 181;
-
limited power of, in primeval man, i. 234.
-
Courage, variability of, in the same species, i. 40;
-
universal high appreciation of, i. 95;
-
importance of, i. 162;
-
a characteristic of men, ii. 328.
-
Courtship, greater eagerness of males in, i. 272;
-
of fishes, ii. 2;
-
of birds, ii. 50, 100.
-
Cow, winter change of the, ii. 299.
-
Crab, devil, i. 332.
-
Crab, shore, habits of, i. 331.
-
Crabro cribrarius, dilated tibiæ of the male, i. 343.
-
Crabs, proportions of the sexes in, i. 315.
-
Cranz, on the inheritance of dexterity in seal-catching, i. 117.
-
Crawfurd, on the number of species of man, i. 226.
-
Crenilabrus massa and C. melops, nests built by, ii. 19.
-
Crest, origin of, in Polish fowls, i. 284.
-
Crests, of birds, difference of, in the sexes, ii. 189;
-
dorsal hairy, of mammals, ii. 282.
-
Cricket, field-, stridulation of the, i. 353;
-
pugnacity of male, i. 360.
-
Cricket, house-, stridulation of the, i. 352, 354.
-
Crickets, sexual differences in, i. 361.
-
Crioceridæ, stridulation of the, i. 379.
-
Crinoids, complexity of, i. 61.
-
Croaking of frogs, ii. 27.
-
Crocodiles, musky odour of, during the breeding season, ii. 29.
-
Crocodilia, ii. 28.
-
Crossbills, characters of young, ii. 184.
-
Crosses in man, i. 225.
-
Crossing of races, effects of the, i. 241.
-
Crossoptilon auritum, ii. 93, 166, 196;
-
adornment of both sexes of, i. 290;
-
sexes alike in, ii. 178.
-
Crotch, G. R., on the stridulation of beetles, i. 379, 382;
-
on the stridulation of Heliopathes, i. 383;
-
on the stridulation of Acalles, i. 384.
-
Crow Indians, long hair of the, ii. 348.
-
Crow, young of the, ii. 209.
-
Crows, ii. 226;
-
vocal organs of the, ii. 55;
-
living in triplets, ii. 106.
-
Crows, carrion, new mates found by, ii. 104.
-
Crows, Indian, feeding their blind companions, i. 77.
-
Cruelty of savages to animals, i. 94.
-
Crustacea, amphipod, males sexually mature while young, ii. 215;
-
parasitic, loss of limbs by female, i. 255;
-
prehensile feet and antennæ of, i. 256;
-
male, more active than female, i. 272;
-
parthenogenesis in, i. 315;
-
secondary sexual characters of, i. 328;
-
auditory hairs of, ii. 333.
-
Crystal worn in the lower lip by some Central African women, ii. 341.
-
Cuckoo fowls, i. 294.
-
Culicidæ, i. 254, 349.
-
Cullen, Dr., on the throat-pouch of the male bustard, ii. 58.
-
Cultivation of plants, probable origin of, i. 167.
-
Cupples, Mr., on the numerical proportion of the sexes in dogs, sheep, and cattle, i. 304, 305;
-
on the Scotch deerhound, ii. 261;
-
on sexual preference in dogs, ii. 271, 272.
-
Curculionidæ, sexual difference in length of snout in some, i. 255;
-
hornlike processes in male, i. 374;
-
musical, i. 378, 379.
-
Curiosity, manifestations of, by animals, i. 42.
-
Curlews, double moult in, ii. 80.
-
Cursores, comparative absence of sexual differences among the, i. 269.
-
Curtis, J., on the proportion of the sexes in Athalia, i. 314.
-
Cuvier, F., on the recognition of women by male quadrumana, i. 13.
-
Cuvier, G., views of, as to the position of man, i. 190;
-
on instinct and intelligence, i. 37;
-
on the number of caudal vertebræ in the mandrill, i. 150;
-
on the position of the seals, i. 190;
-
on Hectocotyle, i. 325.
-
Cyanecula suecica, sexual differences of, ii. 195.
-
Cyanalcyon, sexual difference in colours of, ii. 173;
-
immature plumage of, ii. 188.
-
Cychrus, sounds produced by, i. 382.
-
Cycnia mendica, sexual difference of colour in, i. 398.
-
Cygnus ferus, trachea of, ii. 59.
-
Cygnus olor, white young of, ii. 211.
-
Cyllo Leda, instability of the ocellated spots of, ii. 133.
-
Cynanthus, variation in the genus, ii. 125.
-
Cynipidæ, proportions of the sexes in, i. 314.
-
Cynocephalus, difference of the young, from the adult, i. 13;
-
male, recognition of women by, i. 13;
-
polygamous habits of species of, i. 266.
-
Cynocephalus chacma, i. 41.
-
Cynocephalus gelada, i. 51.
-
Cynocephalus hamadryas, i. 51;
-
sexual difference of colour in, ii. 291.
-
Cynocephalus leucophœus, colours of the sexes of, ii. 292.
-
Cynocephalus mormon, colours of the male, ii. 292, 296, 310.
-
Cynocephalus porcarius, mane of the male, ii. 267.
-
Cypridina, proportions of the sexes in, i. 315.
-
Cyprinidæ, proportion of the sexes in the, i. 308.
-
Cyprinidæ, Indian, ii. 17.
-
Cyprinodontidæ, sexual differences in the, ii. 7, 9.
-
Cyprinus auratus, ii. 16.
-
Cyprinus phoxinus, spawning of, ii. 15.
-
Cypris, relations of the sexes in, i. 315.
-
Cystophora cristata, hood of, ii. 278.
-
D.
-
Dacelo, sexual difference of colour in, ii. 174.
-
Dacelo Gaudichaudi, young male of, ii. 188.
-
Dal-ripa, a kind of ptarmigan, i. 306.
-
Damalis albifrons, peculiar markings of, ii. 301.
-
Damalis pygarga, peculiar markings of, ii. 300.
-
Dampness of climate, supposed influence of, on the colour of the skin, i. 116, 242.
-
Danaidæ, i. 387.
-
Dances of birds, ii. 68.
-
Dancing, i. 232.
-
Daniell, Dr., his experience of residence in West Africa, i. 245.
-
Darfur, protuberances artificially produced in, ii. 339.
-
Darwin, F., on the stridulation of Dermestes murinus, i. 379.
-
Dasychira pudibunda, sexual difference of colour in, i. 398.
-
Davis, A. H., on the pugnacity of the male stag-beetle, i. 375.
-
Davis, J. B., on the capacity of the skull in various races of men, i. 146;
-
on the beards of the Polynesians, ii. 322.
-
Death-rate higher in towns than in rural districts, i. 175.
-
Death-tick, i. 384.
-
De Candolle, Alph., on a case of inherited power of moving the scalp, i. 20.
-
Declensions, origin of, i. 61.
-
Decoration in birds, ii. 71.
-
Decticus, i. 355.
-
Deer, spots of young, ii. 184, 303;
-
horns of, ii. 243, 248;
-
use of horns of, ii. 252, 263;
-
size of the horns of, ii. 259;
-
female, pairing with one male, whilst others are fighting for her, ii. 269;
-
male, attracted by the voice of the female, ii. 276;
-
male, odour emitted by, ii. 279;
-
development of the horns in, i. 288;
-
horns of a, in course of modification, ii. 255.
-
Deer, Axis, sexual, difference in the colour of the, ii. 290.
-
Deer, fallow, different coloured herds of, ii. 295.
-
Deer, Mantchurian, ii. 303.
-
Deer, Virginian, ii. 303;
-
colour of the, not affected by castration, ii. 288;
-
colours of, ii. 289.
-
Deerhound, Scotch, greater size of the male, i. 293, ii. 260.
-
Defensive organs of mammals, ii. 263.
-
De Geer, C., on a female spider destroying a male, i. 339.
-
Dekay, Dr., on the bladder-nose seal, ii. 278.
-
Demerara, yellow fever in, i. 243.
-
Dendrocygna, ii. 185.
-
Dendrophila frontalis, young of, ii. 220.
-
Denny, H., on the lice of domestic animals, i. 219.
-
Dermestes murinus, stridulation of, i. 379.
-
Descent traced through the mother alone, ii. 359.
-
Deserts, protective colouring of animals inhabiting, ii. 224.
-
Desmarest, on the absence of suborbital pits in Antilope subgutturosa, ii. 280;
-
on the whiskers of Macacus, ii. 283;
-
on the colour of the opossum, ii. 286;
-
on the colours of the sexes of Mus minutus, ii. 286;
-
on the colouring of the ocelot, ii. 287;
-
on the colours of seals, ii. 287;
-
on Antilope caama, ii. 289;
-
on the colours of goats, ii. 290;
-
on sexual difference of colour in Ateles marginatus, ii. 291;
-
on the mandrill, ii. 293;
-
on Macacus cynomolgus, ii. 318.
-
Desmoulins, on the number of species of man, i. 226;
-
on the musk-deer, ii. 281.
-
Desor, on the imitation of man by monkeys, i. 44.
-
Despine, P., on criminals destitute of conscience, i. 92.
-
Development, embryonic, of man, i. 14, 16;
-
Devil, not believed in by the Fuegians, i. 67.
-
Devil-crab, i. 332.
-
Devonian, fossil insect from the, i. 360.
-
Dewlaps, of cattle and antelopes, ii. 284.
-
Diadema, sexual differences of colouring in the species of, i. 388.
-
Diadema anomala, mimickry by the female of, i. 413.
-
Diadema bolina, i. 413.
-
Diamond-beetles, bright colours of, i. 367.
-
Diastema, occurrence of, in man, i. 126.
-
Diastylidæ, proportion of the sexes in, i. 315.
-
Diodorus, on the absence of beard in the natives of Ceylon, ii. 321.
-
Dicrurus, racket-shaped feathers in, ii. 73;
-
nidification of, ii. 167.
-
Dicrurus macrocercus, change of plumage in, ii. 179.
-
Didelphis opossum, sexual difference in the colour of, ii. 286.
-
Differences, comparative, between different species of birds of the same sex, ii. 192.
-
Digits, supernumerary, more frequent in men than in women, i. 276;
-
supernumerary, inheritance of, i. 285;
-
supernumerary, early development of, i. 292.
-
Dimorphism in females of water-beetles, i. 343;
-
in Neurothemis and Agrion, i. 363.
-
Dipelicus Cantori, sexual differences of, i. 369.
-
Diplopoda, prehensile limbs of the male, i. 340.
-
Dipsas cynodon, sexual difference in the colour of, ii. 29.
-
Diptera, i. 348.
-
Disease, generated by the contact of distinct peoples, i. 239.
-
Diseases common to man and the lower animals, i. 11;
-
difference of liability to, in different races of men, i. 216;
-
new, effects of, upon savages, i. 238;
-
sexually limited, i. 292.
-
Display, coloration of Lepidoptera for, i. 395;
-
of plumage by male birds, ii. 86, 96.
-
Distribution, wide, of man, i. 137;
-
geographical, as evidence of specific distinctness in man, i. 218.
-
Disuse, effects of, in producing rudimentary organs, i. 18;
-
and use of parts, effects of, i. 116;
-
of parts, influence of, on the races of men, i. 247.
-
Divorce, freedom of, among the Charruas, ii. 372.
-
Dixon, E. S., on the habits of the guinea-fowl, i. 270;
-
on the pairing of different species of geese, ii. 114;
-
on the courtship of peafowl, ii. 121.
-
Dobrizhoffer, on the marriage-customs of the Abipones, ii. 374.
-
Dogs, suffering from Tertian ague, i. 13;
-
memory of, i. 45;
-
domestic, progress of, in moral qualities, i. 50;
-
distinct tones uttered by, i. 54;
-
parallelism between his affection for his master and religious feeling, i. 68;
-
sociability of the, i. 74;
-
sympathy of, with a sick cat, i. 77;
-
sympathy of, with his master, i. 77;
-
possible use of the hair on the forelegs of the, i. 193;
-
races of the, i. 229;
-
diverging when drawing sledges over thin ice, i. 40;
-
dreaming, i. 46, 158;
-
exercise of reasoning faculties by, i. 48;
-
their possession of conscience, i. 78;
-
numerical proportion of male and female births in, i. 304;
-
sexual affection between individuals of, ii. 270;
-
howling at certain notes, ii. 333;
-
rolling in carrion, ii. 281.
-
Dolichocephalic structure, possible cause of, i. 148.
-
Dolphins, nakedness of, i. 148.
-
Domestic animals, races of, i. 229;
-
change of breeds of, ii. 369.
-
Domestication, influence of, in removing the sterility of hybrids, i. 222.
-
D’Orbigny, A., on the influence of dampness and dryness on the colour of the skin, i. 242;
-
on the Yura-caras ii. 347.
-
Dotterel, ii. 203.
-
Doubleday, E., on sexual differences in the wings of butterflies, i. 345.
-
Doubleday, H., on the proportion of the sexes in the smaller moths, i. 311;
-
on the attraction of the males of Lasiocampa quercus and Saturnia carpini by the female, i. 312;
-
on the proportion of the sexes in the Lepidoptera, i. 312;
-
on the ticking of Anobium tessellatum, i. 385;
-
on the structure of Ageronia feronia, i. 387;
-
on white butterflies alighting upon paper, i. 400.
-
Douglas, J. W., on the sexual differences of the Hemiptera, i. 349;
-
on the colours of British Homoptera, i. 352.
-
Down, of birds, ii. 80.
-
Draco, gular appendages of, ii. 33.
-
Dragonet, Gemmeous, ii. 7.
-
Dragon-flies, caudal appendages of male, i. 344;
-
relative size of the sexes of, i. 347;
-
difference in the sexes of, i. 361;
-
want of pugnacity by the male, i. 364.
-
Drake, breeding plumage of the, ii. 84.
-
Dreams, i. 46;
-
a possible source of the belief in spiritual agencies, i. 66.
-
Drill, sexual difference of colour in the, ii. 291.
-
Dromœus irroratus, ii. 204.
-
Dromolæa, Saharan species of, ii. 172.
-
Drongo shrike, ii. 179.
-
Drongos, racket-shaped feathers in the tails of, ii. 73, 83.
-
Dryness, of climate, supposed influence of, on the colour of the skin, i. 242.
-
Dryopithecus, i. 199.
-
Duck, harlequin, age of mature plumage in the, ii. 213;
-
breeding in immature plumage, ii. 214.
-
Duck, long-tailed, preference of male, for certain females, ii. 122.
-
Duck, pintail, pairing with a wigeon, ii. 114.
-
Duck, voice of the, ii. 60;
-
pairing with a shield-drake, ii. 114;
-
immature plumage of the, ii. 188.
-
Duck, wild, sexual differences in the, i. 268;
-
speculum and male characters of, i. 291;
-
pairing with a pintail drake, ii. 115.
-
Ducks, dogs and cats recognised by, ii. 110;
-
wild, becoming polygamous under partial domestication, i. 270.
-
Dugong, tusks of, ii. 242;
-
Dujardin, on the relative size of the cerebral ganglia in insects, i. 145.
-
Duncan, Dr., on the fertility of early marriages, i. 174.
-
Dupont, M., on the occurrence of the supra-condyloid foramen in the humerus of man, i. 29.
-
Durand, J. P., on causes of variation, i. 113.
-
Dureau de la Malle, on the songs of birds, i. 55;
-
on the acquisition of an air by blackbirds, ii. 55.
-
Dutch, retention of their colour by the, in South Africa, i. 242.
-
Duty, sense of, i. 70.
-
Duvaucel, female Hylobates washing her young, i. 40.
-
Dyaks, pride of, in mere homicide, i. 94.
-
Dynastes, large size of males of, i. 347.
-
Dynastini, stridulation of, i. 381.
-
Dytiscus, dimorphism of females of, i. 343;
-
grooved elytra of the female, i. 343.
-
E.
-
Eagle, young Cercopithecus rescued from, by the troop, i. 75.
-
Eagle, white-headed, breeding in immature plumage, ii. 214.
-
Eagles, golden, new mates found by, ii. 105.
-
Ear, motion of the, i. 20;
-
external shell of the, useless in man, i. 21;
-
rudimentary point of the, in man, i. 22.
-
Ears, piercing and ornamentation of the, ii. 341.
-
Echidna, i. 201.
-
Echini, bright colours of some, i. 322.
-
Echinodermata, absence of secondary sexual characters in, i. 321.
-
Ecker, figure of the human embryo, i. 15;
-
on sexual differences in the pelvis in man, ii. 317;
-
on the presence of a sagittal crest in Australians, ii. 319.
-
Edentata, former wide range of, in America, i. 219;
-
absence of secondary sexual characters in, i. 268.
-
Edolius, racket-shaped feathers in, ii. 73.
-
Edwards, Mr., on the proportion of the sexes in North American species of Papilio, i. 309.
-
Egerton, Sir P., on the use of the antlers of deer, ii. 252;
-
on the pairing of red deer, ii. 269;
-
on the bellowing of stags, ii. 275.
-
Eggs, hatched by male fishes, ii. 20.
-
Egret, Indian, sexes and young of, ii. 217.
-
Egrets, breeding plumage of, ii. 82;
-
Ehrenberg, on the mane of the male Hamadryas baboon, ii. 267.
-
Ekström, M., on Harelda glacialis, ii. 122.
-
Elachista rufocinerea, habits of male, i. 311.
-
Eland, development of the horns of the, i. 289.
-
Elands, sexual differences of colour in, ii. 288.
-
Elaphomyia, sexual differences in, i. 349.
-
Elaphrus uliginosus, stridulation of, i. 379.
-
Elaps, ii. 31.
-
Elateridæ, proportions of the sexes in, i. 313.
-
Elaters, luminous, i. 345.
-
Elephant, i. 200;
-
nakedness of the, i. 148;
-
rate of increase of the, i. 135;
-
Indian, polygamous habits of the, i. 267;
-
pugnacity of the male, ii. 240;
-
tusks of, ii. 242, 243, 248, 249, 258;
-
Indian, mode of fighting, of the, ii. 257;
-
male, odour emitted by the, ii. 279;
-
attacking white or grey horses, ii. 295.
-
Elevation of abode, modifying influence of, i. 120.
-
Elimination of inferior individuals, i. 172.
-
Elk, ii. 249;
-
winter change of the, ii. 299.
-
Elk, Irish, horns of the, ii. 259.
-
Ellice Islands, beards of the natives, ii. 322, 349.
-
Elliot, R., on the numerical proportion of the sexes in young rats, i. 305;
-
on the proportion of the sexes in sheep, i. 305.
-
Elliott, D. G., on Pelecanus erythrorhynchus, ii. 80.
-
Elliott, Sir W., on the polygamous habits of the Indian wild boar, i. 267.
-
Ellis, on the prevalence of infanticide in Polynesia, ii. 364.
-
Elphinstone, Mr., on local differences of stature among the Hindoos, i. 115;
-
on the difficulty of distinguishing the native races of India, i. 215.
-
Elytra, of the females of Dytiscus, Acilius, Hydroporus, i. 343.
-
Emberiza, characters of young, ii. 184.
-
Emberiza miliaria, ii. 185.
-
Emberiza schœniculus, ii. 111;
-
head-feathers of the male, ii. 95.
-
Embryo of man, i. 14, 15;
-
Embryos of mammals, resemblance of the, i. 32.
-
Emigration, i. 172.
-
Emotions experienced by the lower animals in common with man, i. 39;
-
manifested by animals, i. 42.
-
Emperor moth, i. 398.
-
Emulation of singing-birds, ii. 53.
-
Emu, sexes and incubation of, ii. 204.
-
Endurance, estimation of, i. 95.
-
Energy, a characteristic of men, ii. 328.
-
England, numerical proportion of male and female births in, i. 300.
-
Engleheart, Mr., on the finding of new mates by starlings, ii. 106.
-
English, success of, as colonists, i. 179.
-
Engravers, short-sighted, i. 118.
-
Entomostraca, i. 332.
-
Entozoa, difference of colour between the males and females of some, i. 321.
-
Eocene, possible divergence of man during the, i. 200.
-
Eolidæ, colours of, produced by the biliary glands, i. 323.
-
Epeira, i. 337.
-
Epeira nigra, small size of the male of, i. 338.
-
Ephemeræ, i. 341.
-
Ephemeridæ, i. 361.
-
Ephemerina, proportions of the sexes in, i. 314.
-
Ephippiger vitium, stridulating organs of, i. 354, 358.
-
Epicalia, sexual differences of colouring in the species of, i. 388.
-
Equus hemionus, winter change of, ii. 298.
-
Erateina, coloration of, i. 397.
-
Erect attitude of man, i. 141, 142.
-
Eschricht, on the development of hair in man, i. 24;
-
on a lanuginous moustache in a female fœtus, i. 25;
-
on the want of definition between the scalp and the forehead in some children, i. 192;
-
on the arrangement of the hair in the human fœtus, i. 193;
-
on the hairiness of the face in the human fœtus of both sexes, ii. 379, 380.
-
Esmeralda, difference of colour in the sexes of, i. 368.
-
Esox lucius, i. 308.
-
Esox reticulatus, ii. 14.
-
Esquimaux, i. 157, 167;
-
their belief in the inheritance of dexterity in seal-catching, i. 117;
-
mode of life of, i. 246.
-
Estrelda amandava, pugnacity of the male, ii. 49.
-
Eubagis, sexual differences of colouring in the species of, i. 389.
-
Euchirus longimanus, sound produced by, i. 381.
-
Eudromias morinellus, ii. 203.
-
Eulampis jugularis, colours of the female, ii. 168.
-
Euler, on the rate of increase in the United States, i. 131.
-
Eumomota superciliaris, racket-shaped feathers in the tail of, ii. 73.
-
Eupetomena macroura, colours of the female, ii. 168.
-
Euphema splendida, ii. 174.
-
Euplocamus erythropthalmus, possession of spurs by the female, ii. 46.
-
Euplœa midamas, mimickry of, by the female of Diadema anomala, i. 413.
-
Europe, ancient inhabitants of, i. 237.
-
Europeans, difference of, from Hindoos, i. 240;
-
hairiness of, probably due to reversion, ii. 378.
-
Eurostopodus, sexes of, ii. 206.
-
Eurygnathus, different proportions of the head in the sexes of, i. 344.
-
Eustephanus, sexual differences of species of, ii. 39;
-
Exaggeration of natural characters by man, ii. 351.
-
Exogamy, ii. 360, 364.
-
Expression, resemblances in, between man and the apes, i. 191.
-
Extinction of races, causes of, i. 238.
-
Eye, destruction of the, i. 116;
-
change of position in, i. 147;
-
obliquity of, regarded as a beauty by the Chinese and Japanese, ii. 345.
-
Eyebrows, elevation of, i. 19;
-
development of long hairs in, i. 25;
-
in monkeys, i. 192;
-
eradicated in parts of South America and Africa, ii. 340;
-
eradication of, by the Indians of Paraguay, ii. 348.
-
Eyelids, coloured black, in part of Africa, ii. 339.
-
Eyelashes, eradication of, by the Indians of Paraguay, ii. 348.
-
Eyes, difference in the colour of, in the sexes of birds, ii. 128;
-
pillared, of the male of Chloëon, i. 341.
-
Eyton, T. C., observations on the development of the horns in the fallow-deer, i. 288.
-
Eyzies, Les, human remains from, i. 237.
-
F.
-
Fabre, M., on the habits of Cerceris, i. 364.
-
Facial bones, causes of modification of the, i. 147.
-
Faculties, mental, variation of, in the same species, i. 36;
-
diversity of, in the same race of men, i. 109;
-
inheritance of, i. 110;
-
diversity of, in animals of the same species, i. 110;
-
of birds, ii. 108.
-
Fakirs, Indian, tortures undergone by, i. 96.
-
Falco leucocephalus, ii. 214.
-
Falco peregrinus, ii. 104, 179.
-
Falco tinnunculus, ii. 109.
-
Falcon, peregrine, new mate found by, ii. 104.
-
Falconer, H., on the mode of fighting of the Indian elephant, ii. 257;
-
on canines in a female deer, ii. 258;
-
on Hyomoschus aquaticus, ii. 304.
-
Falkland islands, horses of, i. 236.
-
Fallow-deer, different coloured herds of, ii. 295.
-
Famines, frequency of, among savages, i. 333.
-
Farr, Dr., on the structure of the uterus, i. 123;
-
on the effects of profligacy, i. 173;
-
on the influence of marriage on mortality, i. 175.
-
Farrar, F. W., on the origin of language, i. 56;
-
on the crossing or blending of languages, i. 60;
-
on the absence of the idea of God in certain races of men, i. 65;
-
on early marriages of the poor, i. 173;
-
on the middle ages, i. 178.
-
Fashions, long prevalence of, among savages, ii. 343, 352.
-
Faye, Prof., on the numerical proportion of male and female births in Norway and Russia, i. 301;
-
on the greater mortality of male children at and before birth, i. 302.
-
Feathers, modified, producing sounds, ii. 63 et seqq., 163;
-
elongated, in male birds, ii. 72, 97;
-
racket-shaped, ii. 73;
-
barbless and with filamentous barbs in certain birds, ii. 74;
-
shedding of margins of, ii. 85.
-
Feeding, high, probable influence of, in the pairing of birds of different species, ii. 115.
-
Feet, modification of, in man, i. 141;
-
thickening of the skin on the soles of the, i. 118.
-
Felis canadensis, throat-ruff of, ii. 267.
-
Felis pardalis and F. mitis, sexual differences in the colouring of, ii. 287.
-
Female, behaviour of the, during courtship, i. 273.
-
Female birds, differences of, ii. 193.
-
Females, presence of rudimentary male organs in, i. 208;
-
preference of, for certain males, i. 262;
-
pursuit of, by males, i. 272;
-
occurrence of secondary sexual characters in, i. 276;
-
development of male characters by, i. 280.
-
Females and males, comparative mortality of, while young, i. 264, 276;
-
comparative numbers of, i. 261, 263.
-
Femur and tibia, proportions of, in the Aymara Indians, i. 119.
-
Ferguson, Mr., on the courtship of fowls, ii. 118.
-
Fertilization, phenomena of, in plants, i. 273;
-
in the lower animals, i. 274.
-
Fevers, immunity of Negroes and Mulattoes from, i. 243.
-
Fiber zibethicus, protective colouring of, ii. 298.
-
Fidelity of savages to one another, i. 95;
-
Field-slaves, difference of, from house-slaves, i. 246.
-
Fijians, burying their old and sick parents alive, i. 77;
-
estimation of the beard among the, ii. 349;
-
admiration of, for a broad occiput, ii. 352.
-
Fiji Islands, beards of the natives, ii. 322, 349;
-
marriage-customs of the, ii. 373.
-
Filial affection, partly the result of natural selection, i. 81.
-
Filum terminale, i. 30.
-
Finch, racket-shaped feathers in the tail of a, ii. 73.
-
Finches, spring change of colour in, ii. 85;
-
British, females of the, ii. 193.
-
Fingers, partially coherent, in species of Hylobates, i. 140.
-
Finlayson, on the Cochin Chinese, ii. 345.
-
Fire, use of, i. 137, 183, 234.
-
Fischer, on the pugnacity of the male of Lethrus cephalotes, i. 376.
-
Fish, proportion of the sexes in, i. 307;
-
eagerness of male, i. 272.
-
Fishes, kidneys of, represented by Corpora Wolffiana in the human embryo, i. 16;
-
male, hatching ova in their mouths, i. 210;
-
receptacles for ova possessed by, i. 254;
-
relative size of the sexes in, ii. 7;
-
freshwater, of the tropics, ii. 17;
-
protective resemblances in, ii. 18;
-
nest-building, ii. 19;
-
spawning of, ii. 19;
-
sounds produced by, ii. 23, 331;
-
continued growth of, ii. 216.
-
Flexor pollicis longus, similar variation of, in man, i. 129.
-
Flint tools, i. 183.
-
Flints, difficulty of chipping into form, i. 138.
-
Florida, Quiscalus major in, i. 307.
-
Flounder, coloration of the, ii. 18.
-
Flower, W. H., on the abductor of the fifth metatarsal in apes, i. 128;
-
on the position of the Seals, i. 190;
-
on the throat-pouch of the male Bustard, ii. 58.
-
Fly-catchers, colours and nidification of, ii. 170.
-
Fœtus, human, woolly covering of the, i. 25;
-
arrangement of the hair on, i. 193.
-
Food, influence of, upon stature, i. 115.
-
Foot, prehensile, in the early progenitors of man, i. 206;
-
prehensile power of the, retained in some savages, i. 142.
-
Foramen, supra-condyloid, exceptional occurrence of in the humerus of man, i. 28, 130;
-
in the early progenitors of man, i. 206.
-
Forbes, D., on the Aymara Indians, i. 119;
-
on local variation of colour in the Quechuas, i. 246;
-
on the hairlessness of the Aymaras and Quechuas, ii. 322;
-
on the long hair of the Aymaras and Quechuas, ii. 320, 348.
-
Forel, F., on white young swans, ii. 211.
-
Formica rufo, size of the cerebral ganglia in, i. 145.
-
Fossils, absence of, connecting man with the apes, i. 201.
-
Fowl, occurrence of spurs in the female, i. 280;
-
game, early pugnacity of, i. 295;
-
Polish, early development of cranial peculiarities of, i. 295;
-
variations in plumage of, ii. 74;
-
examples of correlated development in the, ii. 130;
-
domestic, breeds and sub-breeds of, ii. 178.
-
Fowls, spangled Hamburgh, i. 281, 294;
-
sexual peculiarities in, transmitted only to the same sex, i. 283;
-
loss of secondary sexual characters by male, i. 284;
-
inheritance of changes of plumage by, i. 281;
-
Polish, origin of the crest in, i. 284;
-
period of inheritance of characters by, i. 294;
-
cuckoo-, i. 294;
-
development of the comb in, i. 295;
-
numerical proportion of the sexes in, i. 306;
-
courtship of, ii. 117;
-
mongrel, between a black Spanish cock and different hens, ii. 131;
-
pencilled Hamburgh, difference of the sexes in, ii. 158;
-
Spanish, sexual differences of the comb in, ii. 158;
-
spurred, in both sexes, ii. 162.
-
Fox, W. D., on some half-tamed wild ducks becoming polygamous, and on polygamy in the guinea-fowl and canary-bird, i. 270;
-
on the proportion of the sexes in cattle, i. 305;
-
on the pugnacity of the peacock, ii. 46;
-
on a nuptial assembly of magpies, ii. 102;
-
on the finding of new mates by crows, ii. 104;
-
on partridges living in triplets, ii. 107;
-
on the pairing of a goose with a Chinese gander, ii. 114.
-
Foxes, wariness of young, in hunting districts, i. 50;
-
France, numerical proportion of male and female births in, i. 301.
-
Francesco, B., on the Simian resemblances of man, i. 4.
-
Fraser, C., on the different colours of the sexes in a species of Squilla, i. 335.
-
Fringilla cannabina, ii. 86.
-
Fringilla ciris, age of mature plumage in, ii. 213.
-
Fringilla cyanea, age of mature plumage in, ii. 213.
-
Fringilla leucophrys, young of, ii. 217.
-
Fringilla spinus, ii. 115.
-
Fringilla tristis, change of colour in, in spring, ii. 85;
-
Fringillidæ, resemblance of the females of distinct species of, ii. 192.
-
Frogs, ii. 25;
-
male, temporary receptacles for ova possessed by, i. 254;
-
ready to breed before the females, i. 260;
-
vocal organs of, ii. 28.
-
Frontal bone, persistence of the suture in, i. 124.
-
Fruits, poisonous, avoided by animals, i. 36.
-
Fuegians, i. 167, 181;
-
mental capacity of the, i. 34;
-
quasi-religious sentiments of the, i. 67;
-
power of sight in the, i. 118;
-
skill of, in stone-throwing, i. 138;
-
resistance of the, to their severe climate, i. 156, 237;
-
difference of stature among the, i. 115;
-
mode of life of the, i. 246;
-
resemblance of, in mental characters, to Europeans, i. 232;
-
aversion of, to hair on the face, ii. 348;
-
said to admire European women, ii. 351.
-
Fulgoridæ, songs of the, i. 351.
-
Fur, whiteness of, in arctic animals, in winter, i. 282.
-
Fur-bearing animals, acquired sagacity of, i. 50.
-
G.
-
Gallicrex, sexual difference in the colour of the irides in, ii. 128.
-
Gallicrex cristatus, red caruncle occurring in the male during the breeding-season, ii. 80.
-
Gallinaceæ, frequency of polygamous habits and of sexual differences in the, i. 269;
-
love-gestures of, ii. 68;
-
decomposed feathers in, ii. 74;
-
stripes of young, ii. 184;
-
comparative sexual differences between the species of, ii. 192, 194;
-
plumage of, ii. 195.
-
Gallinaceous birds, weapons of the male, ii. 44;
-
racket-shaped feathers on the heads of, ii. 73.
-
Gallinula chloropus, pugnacity of male, ii. 40.
-
Gallinula cristata, pugnacity of the male, ii. 41.
-
Galloperdix, spurs of, ii. 46;
-
development of spurs in the female, ii. 162.
-
Gallophasis, young of, ii. 190.
-
Gallus bankiva, ii. 158;
-
Gallus Stanleyi, pugnacity of the male, ii. 44.
-
Galls, i. 152.
-
Galton, Mr., on the struggle between the social and personal impulses, i. 104;
-
on hereditary genius, i. 111;
-
on the effects of natural selection on civilised nations, i. 168;
-
on the sterility of sole daughters, i. 170;
-
on the degree of fertility of people of genius, i. 171;
-
on the early marriages of the poor, i. 173;
-
on the ancient Greeks, i. 177;
-
on the Middle Ages, i. 178;
-
on the progress of the United States, i. 179;
-
on South African notions of beauty, ii. 347.
-
Gammarus, use of the chelæ of, i. 331.
-
Gammarus marinus, i. 334.
-
Gannets, white only when mature, ii. 228.
-
Ganoidei, i. 204.
-
Ganoid fishes, i. 212.
-
Gaour, horns of the, ii. 247.
-
Gap between man and the apes, i. 200.
-
Gaper, sexes and young of, ii. 217.
-
Gardner, on an example of rationality in a Gelasimus, i. 334.
-
Garrulus glandarius, ii. 104.
-
Gärtner, on sterility of hybrid plants, i. 223.
-
Gasteropoda, i. 324;
-
pulmoniferous, courtship of, i. 324.
-
Gasterosteus, i. 271;
-
Gasterosteus leiurus, ii. 2, 14, 20.
-
Gasterosteus trachurus, ii. 2.
-
Gastrophora, wings of, brightly coloured beneath, i. 397.
-
Gauchos, want of humanity among the, i. 101.
-
Gaudry, M., on a fossil monkey, i. 197.
-
Gavia, seasonal change of plumage in, ii. 228.
-
Geese, clanging noise made by, ii. 51;
-
pairing of different species of, ii. 114;
-
Canada, selection of mates by, ii. 116.
-
Gegenbaur, C., on the number of digits in the Ichthyopterygia, i. 125;
-
on the hermaphroditism of the remote progenitors of the vertebrata, i. 207.
-
Gelasimus, use of the enlarged chela of the male, i. 331;
-
pugnacity of males of, i. 333;
-
proportions of the sexes in a species of, i. 315;
-
rational actions of a, i. 334;
-
difference of colour in the sexes of a species of, i. 336.
-
Gemmules, sexual selection of, i. 285.
-
Genesis, i. 318.
-
Genius, ii. 328;
-
Genius, fertility of men and women of, i. 171.
-
Geoffroy-Saint-Hilaire, Isid., on the recognition of women by male quadrumana, i. 13;
-
on the occurrence of a rudimentary tail in man, i. 29;
-
on monstrosities, i. 113;
-
on animal-like anomalies in the human structure, i. 125;
-
on the correlation of monstrosities, i. 130;
-
on the distribution of hair in man and monkeys, i. 149;
-
on the caudal vertebræ of monkeys, i. 150;
-
on correlated variability, i. 151;
-
on the classification of man, i. 186;
-
on the long hair on the heads of species of Semnopithecus, i. 192;
-
on the hair in monkeys, i. 194;
-
on the development of horns in female deer, ii. 244;
-
and F. Cuvier, on the mandrill, ii. 293;
-
on Hylobates, ii. 318, 320.
-
Geographical distribution, as evidence of specific distinctions in man, i. 218.
-
Geometræ, brightly coloured beneath, i. 397.
-
Geophagus, frontal protuberance of male, ii. 13, 20;
-
eggs hatched by the male, in the mouth or branchial cavity, ii. 200.
-
Georgia, change of colour in Germans settled in, i. 246.
-
Geotrupes, stridulation of, i. 380, 382.
-
Gerbe, M., on the nest-building of Crenilabrus massa and C. melops, ii. 19.
-
Gerland, Dr., on the prevalence of infanticide, i. 94; ii. 344, 364;
-
on the extinction of races, i. 237, 238.
-
Gervais, P., on the hairiness of the gorilla, i. 149;
-
on the mandrill, ii. 293.
-
Gesture-language, i. 232.
-
Ghost-moth, sexual difference of colour in the, i. 399, 402.
-
Gibb, Sir D., on differences of the voice in different races of men, ii. 330.
-
Gibbon, Hoolock, nose of, i. 192.
-
Gibbons, voice of, ii. 276.
-
Giraffe, mute, except in the rutting season, ii. 274;
-
its mode of using the horns, ii. 250.
-
Giraud-Teulon, on the cause of short sight, i. 118.
-
Glanders, communicable between man and the lower animals, i. 11.
-
Glands, odoriferous, in mammals, ii. 279, 281.
-
Glareola, double moult in, ii. 80.
-
Glomeris limbata, difference of colour in the sexes of, i. 340.
-
Glowworm, female, apterous, i. 255;
-
luminosity of the, i. 345.
-
Gnats, dances of, i. 349.
-
Gnu, sexual differences in the colour of the, ii. 289.
-
Goat, male, wild, falling on his horns, ii. 249;
-
male, odour emitted by, ii. 279;
-
male, wild, crest of the, ii. 282;
-
Berbura, mane, dewlap, &c., of the male, ii. 284;
-
Kemas, sexual difference in the colour of the, ii. 289.
-
Goats, sexual differences in the horns of, i. 283;
-
horns of, i. 289, ii. 246;
-
domestic, sexual differences of, late developed, i. 293;
-
beards of, ii. 282;
-
mode of fighting of, ii. 249, 250.
-
Goat-sucker, Virginian, pairing of the, ii. 49.
-
Gobies, nidification of, ii. 20.
-
God, want of the idea of, in some races of men, i. 65.
-
Godron, M., on variability, i. 112;
-
on difference of stature, i. 115;
-
on the want of connexion between climate and the colour of the skin, i. 241;
-
on the odour of the skin, i. 248;
-
on the colour of infants, ii. 318.
-
Goldfinch, ii. 56, 85;
-
proportion of the sexes in the, i. 307;
-
sexual differences of the beak in the, ii. 39;
-
courtship of the, ii. 95.
-
Goldfinch, North American, young of, ii. 216.
-
Gold-Fish, ii. 16.
-
Gomphus, proportions of the sexes in, i. 314;
-
difference in the sexes of, i. 362.
-
Gonepteryx Rhamni, i. 393;
-
sexual difference of colour in, i. 409.
-
Goodsir, Prof., on the affinity of the lancelet to the ascidians, i. 205.
-
Goosander, young of, ii. 189.
-
Goose, Antarctic, colours of the, ii. 228.
-
Goose, Canada, pairing with a Bernicle gander, ii. 114.
-
Goose, Chinese, knob on the beak of the, ii. 129.
-
Goose, Egyptian, ii. 46.
-
Goose, Sebastopol, plumage of, ii. 74.
-
Goose, Snow-, whiteness of the, ii. 228.
-
Goose, Spur-winged, ii. 46.
-
Gorilla, ii. 323;
-
semi-erect attitude of the, i. 142;
-
mastoid processes of the, i. 143;
-
direction of the hair on the arms of the, i. 192;
-
supposed evolution of the, i. 230;
-
polygamy of the, i. 266, ii. 361, 362;
-
voice of the, ii. 276;
-
cranium of, ii. 318;
-
fighting of male, ii. 324.
-
Gosse, P. H., on the pugnacity of the male Humming-birds, ii. 40.
-
Gosse, M., on the inheritance of artificial modifications of the skull, ii. 380.
-
Gould, B. A., on variation in the length of the legs in man, i. 108;
-
measurements of American soldiers, i. 114, 116;
-
on the proportions of the body and capacity of the lungs in different races of men, i. 216;
-
on the inferior vitality of mulattoes, i. 221.
-
Gould, J., on the arrival of male snipes before the females, i. 260;
-
on the numerical proportion of the sexes in birds, i. 306;
-
on Neomorpha, ii. 39;
-
on the species of Eustephanus, ii. 39;
-
on the Australian Musk-duck, ii. 39;
-
on the relative size of the sexes in Biziura lobata and Cincloramphus cruralis, ii. 43;
-
on Lobivanellus lobatus, ii. 48;
-
on the habits of Menura Alberti, ii. 56;
-
on the rarity of song in brilliant birds, ii. 58;
-
on Selasphorus platycercus, ii. 65;
-
on the Bower-birds, ii. 69, 102;
-
on the ornamental plumage of the Humming-birds, ii. 78;
-
on the moulting of the ptarmigan, ii. 83;
-
on the display of plumage by the male Humming-birds, ii. 86;
-
on the shyness of adorned male birds, ii. 97;
-
on the decoration of the bowers of Bower-birds, ii. 112;
-
on the decoration of their nests by Humming-birds, ii. 112;
-
on variation in the genus Cynanthus, ii. 125;
-
on the colour of the thighs in a male parrakeet, ii. 126;
-
on Urosticte Benjamini, ii. 151, 152;
-
on the nidification of the Orioles, ii. 168;
-
on obscurely-coloured birds building concealed nests, ii. 169;
-
on Trogons and Kingfishers, ii. 173;
-
on Australian parrots, ii. 174;
-
on Australian pigeons, ii. 175;
-
on the moulting of the ptarmigan, ii. 181;
-
on the immature plumage of birds, ii. 186 et seq.;
-
on the Australian species of Turnix, ii. 201;
-
on the young of Aithurus polytmus, ii. 220;
-
on the colours of the bills of Toucans, ii. 227;
-
on the relative size of the sexes in the Marsupials of Australia, ii. 260;
-
on the colours of the Marsupials, ii. 286.
-
Goureau, on the stridulation of Mutilla europæa, i. 366.
-
Gout, sexually transmitted, i. 292.
-
Graba, on the Pied Ravens of the Feroe Islands, ii. 126;
-
on the Bridled Guillemot, ii. 127.
-
Gradation of secondary sexual characters in birds, ii. 135.
-
Grallatores, absence of secondary sexual characters in, i. 270;
-
double moult in some, ii. 81.
-
Grallina, nidification of, ii. 169.
-
Grasshoppers, stridulation of the, i. 356.
-
Gratiolet, Prof., on the anthropomorphous apes, i. 196;
-
on the evolution of the anthropomorphous apes, i. 230.
-
Gray, Asa, on the gradation of species among the Compositæ, i. 227.
-
Gray, J. E., on the caudal vertebræ of monkeys, i. 150;
-
on the presence of rudiments of horns in the female of Cervulus moschatus, ii. 245;
-
on the horns of goats and sheep, ii. 246;
-
on the beard of the Ibex, ii. 283;
-
on the Berbura goat, ii. 285;
-
on sexual differences in the coloration of Rodents, ii. 286;
-
on the colours of the Elands, ii. 288;
-
on the Sing-sing antelope, ii. 289;
-
on the colours of goats, ii. 290;
-
on the Hog-deer, ii. 303.
-
“Greatest happiness principle,” i. 97, 98.
-
Greeks, ancient, i. 177.
-
Green, A. H., on beavers fighting, ii. 239;
-
on the voice of the beaver, ii. 277.
-
Greenfinch, selected by a female canary, ii. 115.
-
Greg, W. R., on the early marriages of the poor, i. 173;
-
on the Ancient Greeks, i. 178;
-
on the effects of natural selection on civilised nations, i. 167.
-
Grenadiers, Prussian, i. 112.
-
Grey, Sir G., on female infanticide in Australia, ii. 364.
-
Greyhounds, numerical proportion of the sexes in, i. 263, 265;
-
numerical proportion of male and female births in, i. 304.
-
Grouse, red, monogamous, i. 269;
-
pugnacity of young male, ii. 48;
-
producing a sound by scraping their wings upon the ground, ii. 61;
-
duration of courtship of, ii. 100;
-
colours and nidification of, ii. 170.
-
Grube, Dr., on the occurrence of the supra-condyloid foramen in the humerus of man, i. 28.
-
Grus americanus, age of mature plumage in, ii. 213;
-
breeding in immature plumage, ii. 214.
-
Grus virgo, trachea of, ii. 60.
-
Gryllus campestris, i. 353;
-
pugnacity of male, i. 360.
-
Gryllus domesticus, i. 354.
-
Grypus, sexual differences in the beak in, ii. 39.
-
Guanacoes, battles of, ii. 239;
-
canine teeth of, ii. 257.
-
Guanas, strife for women among the, ii. 324;
-
polyandry among the, ii. 366.
-
Guanche skeletons, occurrence of the supra-condyloid foramen in the humerus of, i. 29.
-
Guaranys, proportion of men and women among, i. 302;
-
colour of newborn children of the, ii. 318;
-
beards of the, ii. 322.
-
Guenée, A., on the sexes of Hyperythra, i. 310.
-
Guilding, L., on the stridulation of the LOCUSTIDÆ, i. 352.
-
Guillemot, variety of the, ii. 127.
-
Guinea, sheep of, with males only horned, i. 289.
-
Guinea-fowl, monogamous, i. 269;
-
occasional polygamy of the, i. 270;
-
markings of the, ii. 134.
-
Guinea-pigs, inheritance of the effects of operations by, ii. 380.
-
Gull, instance of reasoning in a, ii. 108.
-
Gulls, seasonal change of plumage in, ii. 228;
-
Günther, Dr., on hermaphroditism in Serranus, i. 208;
-
on male fishes hatching ova in their mouths, i. 210, ii. 20;
-
on mistaking infertile female fishes for males, i. 308;
-
on the prehensile organs of male Plagiostomous fishes, ii. 2;
-
on the pugnacity of the male salmon and trout, ii. 3;
-
on the relative size of the sexes in fishes, ii. 7;
-
on sexual differences in fishes, ii. 8 et seqq.;
-
on the genus Callionymus, ii. 9;
-
on a protective resemblance in a Pipe-fish, ii. 18;
-
on the genus Solenostoma, ii. 22;
-
on Megalophrys montana, ii. 26;
-
on the coloration of frogs and toads, ii. 26;
-
on sexual differences in the Ophidia, ii. 29;
-
on differences of the sexes of lizards, ii. 32 et seqq.
-
Gynanisa Isis, ocellated spots of, ii. 132.
-
Gypsies, uniformity of, in various parts of the world, i. 242.
-
H.
-
Habits, bad, facilitated by familiarity, i. 101;
-
variability of the force of, i. 183.
-
Häckel, E., on the origin of man, i. 4;
-
on rudimentary characters, i. 17;
-
on the canine teeth in man, i. 126;
-
on death caused by inflammation of the vermiform appendage, i. 28;
-
on the steps by which man became a biped, i. 142;
-
on man as a member of the Catarrhine group, i. 199;
-
on the position of the Lemuridæ, i. 202;
-
on the genealogy of the Mammalia, i. 203;
-
on the lancelet, i. 204;
-
on the transparency of pelagic animals, i. 323;
-
on the musical powers of women, ii. 337.
-
Hagen, H., and Walsh, B. D., on American neuroptera, i. 314.
-
Hair, development of, in man, i. 24;
-
character of, supposed to be determined by light and heat, i. 116;
-
distribution of, in man, i. 149, ii. 375;
-
possibly removed for ornamental purposes, i. 149;
-
arrangement and direction of, i. 192;
-
of the early progenitors of man, i. 206;
-
different texture of, in distinct races, i. 216;
-
and skin, correlation of colour of, i. 248;
-
development of, in mammals, ii. 281;
-
management of, among different peoples, ii. 340;
-
great length of, in some North American tribes, ii. 348;
-
elongation of the, on the human head, ii. 380.
-
Hairiness, difference of, in the sexes, in man, ii. 320;
-
variation of, in races of men, ii. 321.
-
Hairs and excretory pores, numerical relation of, in sheep, i. 248.
-
Hairy family, Siamese, ii. 378.
-
Hamadryas baboon, turning over stones, i. 75;
-
mane of the male, ii. 267.
-
Hamilton, C., on the cruelty of the Kafirs to animals, i. 94;
-
on the engrossment of the women by the Kafir chiefs, ii. 369.
-
Hammering, difficulty of, i. 138.
-
Hancock, A., on the colours of the nudibranch mollusca, i. 326.
-
Hands, larger at birth, in the children of labourers, i. 117;
-
structure of, in the quadrumana, i. 139;
-
and arms, freedom of, indirectly correlated with diminution of canines, i. 144.
-
Handwriting, inherited, i. 58.
-
Harcourt, E. Vernon, on Fringilla cannabina, ii. 86.
-
Harelda glacialis, ii. 122.
-
Hare, protective colouring of the, ii. 298.
Hares, battles of male, ii. 239.
-
Harlan, Dr., on the difference between field- and house-slaves, i. 246.
-
Harris, J. M., on the relation of complexion to climate, i. 245.
-
Harris, T. W., on the Katy-did locust, i. 353;
-
on the stridulation of the grasshoppers, i. 357;
-
on Œcanthus nivalis, i. 361;
-
on the colouring of Lepidoptera, i. 396;
-
on the colouring of Saturnia Io, i. 398.
-
Harry-long-legs, pugnacity of male, i. 349.
-
Hartman, Dr., on the singing of Cicada septendecim, i. 351.
-
Haughton, S., on a variation of the flexor pollicis longus in man, i. 129.
-
Hawks, feeding orphan nestling, ii. 107.
-
Hayes, Dr., on the diverging of sledge-dogs on thin ice, i. 46.
-
Head, altered position of, to suit the erect attitude of man, i. 143;
-
hairiness of, in man, i. 149;
-
processes of, in male beetles, i. 370;
-
artificial alterations of the form of the, ii. 351.
-
Hearne, on strife for women among the North American Indians, ii. 324;
-
on the North American Indians’ notion of female beauty, ii. 344;
-
repeated elopements of a North American woman, ii. 372.
-
Heart, in the human embryo, i. 16.
-
Heat, supposed effects of, i. 116.
-
Hectocotyle, i. 325.
-
Hedge-warbler, ii. 198;
-
Heel, small projection of, in the Aymara Indians, i. 120.
-
Hegt, M., on the development of the spurs in peacocks, i. 290.
-
Heliconidæ, i. 387;
-
mimickry of, by other butterflies, i. 411.
-
Heliopathes, stridulation peculiar to the male, i. 383.
-
Heliothrix auriculata, young of, ii. 188, 189.
-
Helix pomatia, example of individual attachment in, i. 325.
-
Hellins, J., proportions of sexes of Lepidoptera reared by, i. 313.
-
Helmholtz, on the vibration of the auditory hairs of crustacea, ii. 333.
-
Hemiptera, i. 349.
-
Hemitragus, beardless in both sexes, ii. 283.
-
Hepburn, Mr., on the autumn song of the water-ouzel, ii. 54.
-
Hepialus humuli, sexual difference of colour in the, i. 399, 402.
-
Herbs, poisonous, avoided by animals, i. 36.
-
Hermaphroditism of embryos, i. 207.
-
Herodias bubulcus, vernal moult of, ii. 84.
-
Heron, love-gestures of a, ii. 68.
-
Heron, Sir R., on the habits of peafowl, ii. 119, 120, 152.
-
Herons, decomposed feathers in, ii. 74;
-
breeding plumage of, ii. 82, 83;
-
young of the, ii. 208;
-
sometimes dimorphic, ii. 214;
-
continued growth of crest and plumes in the males of some, ii. 216;
-
change of colour in some, ii. 231.
-
Hetærina, difference in the sexes of, i. 362;
-
proportion of the sexes in, i. 314.
-
Heterocerus, stridulation of, i. 379.
-
Hewitt, Mr. on a game-cock killing a kite, ii. 44;
-
on the recognition of dogs and cats by ducks, ii. 110;
-
on the pairing of a wild duck with a pintail drake, ii. 115;
-
on the courtship of fowls, ii. 117;
-
on the coupling of pheasants with common hens, ii. 122.
-
Hindoo, his horror of breaking his caste, i. 99, 103.
-
Hindoos, local difference of stature among, i. 115;
-
difference of, from Europeans, i. 240;
-
colour of the beard in, ii. 319.
-
Hipparchia Janira, instability of the ocellated spots of, ii. 132.
-
Hipparchiæ, i. 387.
-
Hippocampus, development of, i. 210;
-
marsupial receptacles of the male, ii. 21.
-
Hippopotamus, nakedness of, i. 148.
-
Hips, proportions of, in soldiers and sailors, i. 117.
-
Hodgson, S., on the sense of duty, i. 71.
-
Hoffberg, on the horns of the reindeer, ii. 244;
-
on sexual preferences shown by reindeer, ii. 273.
-
Hog, wart-, ii. 265;
-
Hog-deer, ii. 303.
-
Holland, Sir H., on the effects of new diseases, i. 238.
-
Homologous structures, correlated variation of, i. 130.
-
Homoptera, i. 350;
-
stridulation of the, and orthoptera, discussed, i. 360.
-
Honduras, Quiscalus major in, i. 307.
-
Honey-buzzard of India, variation in the crest of, ii. 126.
-
Honey-suckers, moulting of the, ii. 83;
-
Australian, nidification of, ii. 169.
-
Honour, law of, i. 99.
-
Hooker, Jos., on the colour of the beard in man, ii. 319.
-
Hoolock Gibbon, nose of, i. 192.
-
Hoopoe, ii. 56;
-
sounds produced by the male, ii. 62.
-
Hoplopterus armatus, wing-spurs of, ii. 48.
-
Hornbill, African, inflation of the neck-wattle of the male during courtship, ii. 72.
-
Hornbills, sexual difference in the colour of the eyes in, ii. 129;
-
nidification and incubation of, ii. 169.
-
Horne, C., on the rejection of a brightly-coloured locust by lizards and birds, i. 361.
-
Horns, of deer, ii. 243, 248, 259;
-
and canine teeth, inverse development of, ii. 257;
-
sexual differences of, in sheep and goats, i. 283;
-
loss of, in female merino sheep, i. 284;
-
development of, in deer, i. 288;
-
development of, in antelopes, i. 289;
-
from the head and thorax, in male beetles, i. 370.
-
Horse, polygamous, i. 267;
-
canine teeth of male, ii. 241;
-
winter change of the, ii. 298;
-
fossil, extinction of the, in South America, i. 239.
-
Horses, dreaming, i. 46;
-
rapid increase of, in South America, i. 135;
-
diminution of canine teeth in, i. 144;
-
of the Falkland Islands and Pampas, i. 236;
-
numerical proportion of the sexes in, i. 263, 265;
-
lighter in winter in Siberia, i. 282;
-
sexual preferences in, ii. 272;
-
pairing preferentially the same colour, ii. 295;
-
numerical proportion of male and female births in, i. 303;
-
formerly striped, ii. 305.
-
Hottentot women, peculiarities of, i. 225.
-
Hottentots, lice of, i. 220;
-
readily become musicians, ii. 334;
-
notions of female beauty of the, ii. 345;
-
compression of nose by, ii. 352.
-
House-slaves, difference of, from field-slaves, i. 246.
-
Huber, P., on ants playing together, i. 39;
-
on memory in ants, i. 45;
-
on the intercommunication of ants, i. 58;
-
on the recognition of each other by ants after separation, i. 365.
-
Huc, on Chinese opinions of the appearance of Europeans, ii. 345.
-
Human kingdom, i. 186.
-
Human sacrifices, i. 68.
-
Humanity, unknown among some savages, i. 94;
-
deficiency of, among savages, i. 101.
-
Humboldt, A. von, on the rationality of mules, i. 48;
-
on a parrot preserving the language of a lost tribe, i. 236;
-
on the cosmetic arts of savages, ii. 339, 340;
-
on the exaggeration of natural characters by man, ii. 351;
-
on the red painting of American Indians, ii. 352.
-
Hume, D., on sympathetic feelings, i. 85.
-
Humming-bird, racket-shaped feathers in the tail of a, ii. 73;
-
display of plumage by the male, ii. 86.
-
Humming-birds, ornament their nests, i. 63, ii. 112;
-
polygamous, i. 269;
-
proportion of the sexes in, i. 307, ii. 221;
-
sexual differences in, ii. 39, 40, 151;
-
pugnacity of male, ii. 40;
-
modified primaries of male, ii. 65;
-
coloration of the sexes of, ii. 78;
-
young of, ii. 220;
-
nidification of the, ii. 168;
-
colours of female, ii. 168.
-
Humphreys, H. N., on the habits of the Stickle-back, i. 271, ii. 2.
-
Hunger, instinct of, i. 89.
-
Huns, ancient, flattening of the nose by the, ii. 352.
-
Hunter, J., on the number of species of man, i. 226;
-
on secondary sexual characters, i. 253;
-
on the general behaviour of female animals during courtship, i. 273;
-
on the muscles of the larynx in song-birds, ii. 55;
-
on the curled frontal hair of the Bull, ii. 282;
-
on the rejection of an ass by a female zebra, ii. 295.
-
Hunter, W. W., on the recent rapid increase of the Santali, i. 133;
-
Hussey, Mr., on a partridge distinguishing persons, ii. 110.
-
Hutchinson, Col., example of reasoning in a retriever, i. 48.
-
Hutton, Capt., on the male wild goat falling on his horns, ii. 249.
-
Huxley, T. H., on the structural agreement of man with the apes, i. 3;
-
on the agreement of the brain in man with that of lower animals, i. 10;
-
on the adult age of the Orang, i. 13;
-
on the embryonic development of man, i. 14;
-
on the origin of man, i. 4, 17;
-
on variation in the skulls of the natives of Australia, i. 108;
-
on the abductor of the fifth metatarsal in apes, i. 128;
-
on the position of man, i. 191;
-
on the sub-orders of primates, i. 195;
-
on the Lemuridæ, i. 202;
-
on the Dinosauria, i. 204;
-
on the amphibian affinities of the Ichthyosaurians, i. 204;
-
on variability of the skull in certain races of man, i. 226;
-
on the races of man, i. 229.
-
Hybrid birds, production of, ii. 113.
-
Hydrophobia communicable between man and the lower animals, i. 11.
-
Hydroporus, dimorphism of females of, i. 343.
-
Hyelaphus porcinus, ii. 303.
-
Hygrogonus, ii. 21.
-
Hyla, singing species of, ii. 27.
-
Hylobates, maternal affection in a, i. 40;
-
absence of the thumb in, i. 140;
-
upright progression of some species of, i. 143;
-
direction of the hair on the arms of species of, i. 192;
-
females of, less hairy below than males, ii. 320.
-
Hylobates agilis, i. 140;
-
hair on the arms of, i. 193;
-
musical voice of the, ii. 277;
-
superciliary ridge of, ii. 318;
-
voice of, ii. 332.
-
Hylobates hoolock, sexual difference of colour in, ii. 291.
-
Hylobates lar, i. 140;
-
hair on the arms of, i. 193.
-
Hylobates leuciscus, i. 140.
-
Hylobates syndactylus, i. 140;
-
laryngeal sac of, ii. 276.
-
Hymenoptera, i. 364;
-
large size of the cerebral ganglia in, i. 145;
-
classification of, i. 188;
-
sexual differences in the wings of, i. 345;
-
aculeate, relative size of the sexes of, i. 347.
-
Hymenopteron, parasitic, with a sedentary male, i. 272.
-
Hyomoschus aquaticus, ii. 304.
-
Hyperythra, proportion of the sexes in, i. 310.
-
Hypogymna dispar, sexual difference of colour in, i. 398.
-
Hypopyra, coloration of, i. 397.
-
I.
-
Ibex, male, falling on his horns, ii. 249;
-
Ibis, scarlet, young of the, ii. 208;
-
white, change of colour of naked skin in, during the breeding season, ii. 80.
-
Ibis tantalus, age of mature plumage in, ii. 213;
-
breeding in immature plumage, ii. 214, 215.
-
Ibises, decomposed feathers in, ii. 74;
-
white, ii. 228, and black, ii. 230.
-
Ichneumonidæ, difference of the sexes in, i. 365.
-
Ichthyopterygia, i. 125.
-
Ichthyosaurians, i. 204.
-
Ideas, general, i. 62.
-
Idiots, microcephalous, imitative faculties of, i. 57;
-
microcephalous, their characters and habits, i. 121.
-
Iguana tuberculata, ii. 32.
-
Iguanas, ii. 32.
-
Illegitimate and legitimate children, proportion of the sexes in, i. 302.
-
Imagination, existence of, in animals, i. 45.
-
Imitation, i. 39;
-
of man by monkeys, i. 44;
-
tendency to, in monkeys, microcephalous idiots and savages, i. 56;
-
influence of, i. 161.
-
Immature plumage of birds, ii. 183, 187.
-
Implacentata, i. 202.
-
Implements, employed by monkeys, i. 51;
-
fashioning of, peculiar to man, i. 52.
-
Impregnation, period of, influence of, upon sex, i. 303.
-
Improvement, progressive, man alone supposed to be capable of, i. 49.
-
Incisor teeth, knocked out or filed by some savages, ii. 340.
-
Increase, rate of, i. 131;
-
necessity of checks in, i. 135.
-
Indecency, hatred of, a modern virtue, i. 96.
-
India, difficulty of distinguishing the native races of, i. 215;
-
Cyprinidæ of, ii. 17;
-
colour of the beard in races of men of, ii. 319.
-
Indian, North American, honoured for scalping a man of another tribe, i. 93.
-
Individuality, i. 62.
-
Individuation, i. 318.
-
Indopicus carlotta, colours of the sexes of, ii. 175.
-
Infanticide, prevalence of, i. 94, 134;
-
supposed cause of, ii. 344;
-
prevalence and causes of, ii. 363 et seq.
-
Inferiority, supposed physical, of man, i. 156.
-
Inflammation of the bowels, occurrence of, in Cebus Azaræ, i. 12.
-
Inheritance, i. 110;
-
of effects of use of vocal and mental organs, i. 58;
-
of moral tendencies, i. 102, 104;
-
of long and short sight, i. 118;
-
laws of, i. 279;
-
sexual, i. 285;
-
sexually limited, ii. 154.
-
Inquisition, influence of the, i. 179.
-
Insanity, hereditary, i. 111.
-
Insect, fossil, from the Devonian, i. 360.
-
Insectivora, ii. 286;
-
absence of secondary sexual characters in, i. 268.
-
Insects, relative size of the cerebral ganglia in, i. 145;
-
male, appearance of, before the females, i. 260;
-
pursuit of female, by the males, i. 272;
-
period of development of sexual characters in, i. 291;
-
secondary sexual characters of, i. 341;
-
stridulation of, ii. 331.
-
Insessores, vocal organs of, ii. 55.
-
Instep, depth of, in soldiers and sailors, i. 117.
-
Instinct and intelligence, i. 37.
-
Instinct, migratory, vanquishing the maternal, i. 83, 90.
-
Instinctive actions, the result of inheritance, i. 80.
-
Instinctive impulses, difference of the force of, i. 87, 89;
-
and moral impulses, alliance of, i. 88.
-
Instincts, i. 36;
-
complex origin of, through natural selection, i. 38;
-
possible origin of some, i. 38;
-
acquired, of domestic animals, i. 79;
-
variability of the force of, i. 83;
-
difference of force between the social and other, i. 89, 104;
-
utilised for new purposes, ii. 335.
-
Instrumental music of birds, ii. 61, 66.
-
Intellect, influence of, in natural selection in civilised society, i. 171.
-
Intellectual faculties, their influence on natural selection in man, i. 158;
-
probably perfected through natural selection, i. 160.
-
Intelligence, Mr. H. Spencer on the dawn of, i. 37.
-
Intemperance, no reproach among savages, i. 96;
-
its destructiveness, i. 172.
-
Intoxication in monkeys, i. 12.
-
Iphias glaucippe, i. 394.
-
Iris, sexual difference in the colour of the, in birds, ii. 72, 128.
-
Ischio-pubic muscle, i. 127.
-
Ithaginis cruentus, number of spurs in, ii. 46.
-
Iulus, tarsal suckers of the males of, i. 340.
-
J.
-
Jackals learning to bark from dogs, i. 44.
-
Jack-snipe, coloration of the, ii. 226.
-
Jacquinot, on the number of species of man, i. 226.
-
Jaeger, Dr., on the difficulty of approaching herds of wild animals, i. 74;
-
on the increase of length in bones, i. 116;
-
on the deposition of a male Silver pheasant on account of spoiled plumage, ii. 120.
-
Jaguars, black, ii. 294.
-
Janson, E. W., on the proportions of the sexes in Tomicus villosus, i. 314;
-
on stridulant beetles, i. 379.
-
Japan, encouragement of licentiousness in, i. 134.
-
Japanese, general beardlessness of the, ii. 321;
-
aversion of the, to whiskers, ii. 349.
-
Jardine, Sir W., on the Argus pheasant, ii. 72, 97.
-
Jarrold, Dr., on modifications of the skull induced by unnatural position, i. 147.
-
Javanese, relative height of the sexes of, ii. 320;
-
notions of female beauty, ii. 347.
-
Jaw, influence of the muscles of the, upon the physiognomy of the apes, i. 144.
-
Jaws, smaller in the same ratio with the extremities, i. 117;
-
influence of food upon the size of, i. 118;
-
diminution of, in man, i. 144;
-
in man, reduced by correlation, ii. 325.
-
Jay, young of the, ii. 209;
-
Canada, young of the, ii. 209.
-
Jays, new mates found by, ii. 104;
-
distinguishing persons, ii. 110.
-
Jeffreys, J. Gwyn, on the form of the shell in the sexes of the Gasteropoda, i. 324;
-
on the influence of light upon the colours of shells, i. 326.
-
Jelly-fish, bright colours of some, i. 322.
-
Jenner, Dr., on the voice of the rook, ii. 61;
-
on the finding of new mates by magpies, ii. 103;
-
on retardation of the generative organs in birds, ii. 107.
-
Jenyns, L., on the desertion of their young by swallows, i. 84;
-
on male birds singing after the proper season, ii. 107.
-
Jerdon, Dr., on birds dreaming, ii. 46;
-
on the pugnacity of the male bulbul, ii. 41;
-
on the pugnacity of the male Ortygornis gularis, ii. 44;
-
on the spurs of Galloperdix, ii. 46;
-
on the habits of Lobivanellus, ii. 48;
-
on the spoonbill, ii. 60;
-
on the drumming of the Kalij pheasant, ii. 63;
-
on Indian bustards, ii. 65;
-
on Otis bengalensis, ii. 69;
-
on the ear-tufts of Sypheotides auritus, ii. 73;
-
on the double moults of certain birds, ii. 82;
-
on the moulting of the honey-suckers, ii. 83;
-
on the moulting of bustards, plovers, and drongos, ii. 84;
-
on display in male birds, ii. 86;
-
on the spring change of colour in some finches, ii. 86;
-
on the display of the under tail-coverts by the male bulbul, ii. 96;
-
on the Indian honey-buzzard, ii. 126;
-
on sexual differences in the colour of the eyes of hornbills, ii. 129;
-
on the markings of the Tragopan pheasant, ii. 134;
-
on the nidification of the Orioles, ii. 168;
-
on the nidification of the hornbills, ii. 169;
-
on the Sultan yellow-tit, ii. 174;
-
on Palæornis javanicus, ii. 180;
-
on the immature plumage of birds, ii. 186 et seq.;
-
on representative species of birds, ii. 190;
-
on the habits of Turnix, ii. 202;
-
on the continued increase of beauty of the peacock, ii. 216;
-
on coloration in the genus Palæornis, ii. 231.
-
Jevons, W. S., on the migrations of man, i. 135.
-
Jews, ancient, use of flint tools by the, i. 183;
-
uniformity of, in various parts of the world, i. 242;
-
numerical proportion of male and female births among the, i. 301;
-
ancient, tattooing practised by, ii. 339.
-
Johnstone, Lieut., on the Indian elephant, i. 268.
-
Jollofs, fine appearance of the, ii. 357.
-
Jones, Albert, proportion of sexes of Lepidoptera, reared by, i. 313.
-
Juan Fernandez, humming-birds of, ii. 221.
-
Junonia, sexual differences of colouring in species of, i. 389.
-
Jupiter, Greek statues of, ii. 350.
-
K.
-
Kafir skull, occurrence of the diastema in a, i. 126.
-
Kafirs, their cruelty to animals, i. 94;
-
lice of the, i. 220;
-
colour of the, ii. 347;
-
engrossment of the handsomest women by the chiefs of the, ii. 369;
-
marriage-customs of the, ii. 373.
-
Kalij pheasant, drumming of the male, ii. 62;
-
Kallima, resemblance of, to a withered leaf, i. 392.
-
Kalmucks, aversion of, to hairs on the face, ii. 349;
-
marriage-customs of the, ii. 373.
-
Kangaroo, great red, sexual difference in the colour of, ii. 286.
-
Kant, Imm., on duty, i. 70;
-
on self-restraint, i. 86;
-
on the number of species of man, i. 226.
-
Katy-did, stridulation of the, i. 352.
-
Keller, Dr., on the difficulty of fashioning stone implements, i. 138.
-
Kestrels, new mates found by, ii. 104.
-
Kidney, i. 116.
-
King, W. R., on the vocal organs of Tetrao cupido, ii. 56;
-
on the drumming of grouse, ii. 63;
-
on the reindeer, ii. 244;
-
on the attraction of male deer by the voice of the female, ii. 276.
-
King and Fitzroy, on the marriage-customs of the Fuegians, ii. 374.
-
King-crows, nidification of, ii. 167.
-
Kingfisher, ii. 56;
-
racket-shaped feathers in the tail of a, ii. 73.
-
Kingfishers, colours and nidification of the, ii. 171, 173, 176;
-
immature plumage of the, ii. 188, 190;
-
young of the, ii. 209.
-
King Lory, ii. 174;
-
immature plumage of the, ii. 188.
-
Kingsley, C., on the sounds produced by Umbrina, ii. 23.
-
Kirby and Spence, on the courtship of insects, i. 272;
-
on sexual differences in the length of the snout in curculionidæ, i. 255;
-
on the elytra of Dytiscus, i. 343;
-
on peculiarities in the legs of male insects, i. 344;
-
on the relative size of the sexes in insects, i. 345;
-
on the luminosity of insects, i. 345;
-
on the Fulgoridæ, i. 351;
-
on the habits of Termites, i. 364;
-
on difference of colour in the sexes of beetles, i. 367;
-
on the horns of the male lamellicorn beetles, i. 371;
-
on hornlike processes in male curculionidæ, i. 374;
-
on the pugnacity of the male stag-beetle, i. 375.
-
Kite, killed by a game-cock, ii. 44.
-
Knot, retention of winter plumage by the, ii. 82.
-
Knox, R., on the semilunar fold, i. 23;
-
on the occurrence of the supra-condyloid foramen in the humerus of man, i. 28;
-
on the features of the young Memnon, i. 217.
-
Koala, length of the cæcum in, i. 27.
-
Kölreuter, on the sterility of hybrid plants, i. 223.
-
Kobus ellipsiprymnus, proportion of the sexes in, i. 305.
-
Koodoo, development of the horns of the, i. 289;
-
markings of the, ii. 300.
-
Köppen, F. T., on the migratory locust, i. 352.
-
Kordofan, protuberances artificially produced in, ii. 339.
-
Kowalevsky, A., on the affinity of the Ascidia to the Vertebrata, i. 205.
-
Kowalevsky, W., on the pugnacity of the male Capercailzie, ii. 45;
-
on the pairing of the Capercailzie, ii. 49.
-
Krause, on a convoluted body at the extremity of the tail in a Macacus and a cat, i. 30.
-
Kuppfer, Prof., on the affinity of the Ascidia to the Vertebrata, i. 205.
-
L.
-
Labidocera Darwinii, prehensile organs of the male, i. 329.
-
Labrus, splendid colours of the species of, ii. 16.
-
Labrus mixtus, sexual differences in, ii. 9.
-
Labrus pavo, ii. 16.
-
Lacertilia, sexual differences of, ii. 32.
-
Lafresnaye, M. de, on Birds of Paradise, ii. 78.
-
Lamarck, on the origin of man, i. 4.
-
Lamellibranchiata, i. 324.
-
Lamellicorn beetles, hornlike processes from the head and thorax of, i. 370, 373;
-
analogy of, to Ruminants, i. 373;
-
influence of sexual selection on, i. 377.
-
Lamellicornia, stridulation of, i. 380.
-
Lamont, Mr., on the tusks of the Walrus, ii. 242;
-
on the use of its tusks by the Walrus, ii. 257.
-
Lampornis porphyrurus, colours of the female, ii. 168.
-
Lancelet, i. 204, 212.
-
Landois, H., on the production of sound by the Cicadæ, i. 351;
-
on the stridulating organ of the Crickets, i. 354;
-
on Decticus, i. 355;
-
on the stridulating organs of the Acridiidæ, i. 356;
-
on the presence of rudimentary stridulating organs in some female Orthoptera, i. 359;
-
on the stridulation of Necrophorus, i. 378;
-
on the stridulant organ of Cerambyx heros, i. 380;
-
on the stridulating organs in the Coleoptera, i. 382;
-
on the ticking of Anobium, i. 385;
-
on the stridulant organ of Geotrupes, i. 380.
-
Language an art, i. 55;
-
articulate, origin of, i. 56;
-
relation of the progress of, to the development of the brain, i. 57;
-
effects of inheritance in production of, i. 58;
-
complex structure of, among barbarous nations, i. 61;
-
natural selection in, i. 61;
-
gesture, i. 232;
-
primeval, i. 235;
-
of a lost tribe preserved by a parrot, i. 236.
-
Languages, presence of rudiments in, i. 60;
-
classification of, i. 60;
-
variability of, i. 60;
-
crossing or blending of, i. 60;
-
complexity of, no test of perfection or proof of special creation, i. 62;
-
resemblance of, evidence of community of origin, i. 189.
-
Languages and species, identity of evidence of their gradual development, i. 59.
-
Lanius, ii. 180;
-
characters of young, ii. 185.
-
Lanius rufus, anomalous young of, ii. 211.
-
Lankester, E. R., on comparative longevity, i. 168, 171;
-
on the destructive effects of intemperance, i. 173.
-
Lanugo, of the human fœtus, i. 25; ii. 375.
-
Lapponian language, highly artificial, i. 61.
-
Lark, proportion of the sexes in the, i. 307;
-
female, singing of the, ii. 54.
-
Larks, attracted by a mirror, ii. 112.
-
Lartet, E., on the size of the brain in mammals, i. 51;
-
comparison of cranial capacities of skulls of recent and tertiary mammals, i. 146;
-
on Dryopithecus, i. 199.
-
Larus, seasonal change of plumage in, ii. 228.
-
Larva, luminous, of a Brazilian beetle, i. 345.
-
Larynx, muscles of the, in song-birds, ii. 55.
-
Lasiocampa quercus, attraction of males by the female, i. 311;
-
sexual difference of colour in, i. 398.
-
Latham, R. G., on the migrations of man, i. 136.
-
Latooka, perforation of the lower lip by the women of, ii. 341.
-
Laurillard, on the abnormal division of the malar bone in man, i. 124.
-
Lawrence, W., on the superiority of savages to Europeans in power of sight, i. 118;
-
on the colour of negro infants, ii. 318;
-
on the fondness of savages for ornaments, ii. 338;
-
on beardless races, ii. 349;
-
on the beauty of the English aristocracy, ii. 357.
-
Layard, E. L., on an instance of rationality in a Cobra, ii. 30;
-
on the pugnacity of Gallus Stanleyi, ii. 44.
-
Laycock, Dr., on vital periodicity, i. 12.
-
Leaves, decaying, tints of, i. 323.
-
Lecky, Mr., on the sense of duty, i. 71;
-
on suicide, i. 94;
-
on the practice of celibacy, i. 96;
-
his view of the crimes of savages, i. 97;
-
on the gradual rise of morality, i. 103.
-
Leconte, J. L., on the stridulant organ in the Coprini and Dynastini, i. 381.
-
Lee, H., on the numerical proportion of the sexes in the trout, i. 308.
-
Leg, calf of the, artificially modified, ii. 340.
-
Legitimate and illegitimate children, proportion of the sexes in, i. 302.
-
Legs, variation of the length of the, in man, i. 108;
-
proportions of, in soldiers and sailors, i. 116;
-
fore, atrophied in some male butterflies, i. 344;
-
peculiarities of, in male insects, i. 344.
-
“Lek” of the black-cock and capercailzie, ii. 100.
-
Lemoine, Albert, on the origin of language, i. 56.
-
Lemur macaco, sexual difference of colour in, ii. 290.
-
Lemuridæ, i. 195;
-
their origin, i. 213;
-
position and derivation of the, i. 202;
-
ears of the, i. 23;
-
variability of the muscles in the, i. 128.
-
Lemurs, uterus in the, i. 123;
-
tailless species of, i. 194.
-
Leopards, black, ii. 294.
-
Lepidoptera, i. 386;
-
numerical proportions of the sexes in the, i. 309;
-
colouring of, i. 387;
-
ocellated spots of, ii. 132.
-
Lepidosiren, i. 204, 212.
-
Lenguas, disfigurement of the ears of the, ii. 341.
-
Leptorhynchus angustatus, pugnacity of male, i. 375.
-
Leptura testacea, difference of colour in the sexes of, i. 367.
-
Lequay, on the occurrence of the supra-condyloid foramen in the humerus of man, i. 29.
-
Leroy, on the wariness of young foxes in hunting-districts, i. 50;
-
on the desertion of their young by swallows, i. 84.
-
Lesse, valley of the, i. 29.
-
Lesson, on the Birds of Paradise, i. 269, ii. 98;
-
on the sea-elephant, ii. 278.
-
Lestis bombylans, difference of the sexes in, i. 366.
-
Lethrus cephalotes, pugnacity of the males of, i. 371, 376.
-
Leuckart, R., on the vesicula prostatica, i. 31;
-
on the influence of the age of parents on the sex of offspring, i. 302.
-
Levator claviculæ muscle, i. 128.
-
Libellula depressa, colour of the male, i. 363.
-
Libellulidæ, relative size of the sexes of, i. 347;
-
difference in the sexes of, i. 361.
-
Lice of domestic animals and man, i. 219.
-
Licentiousness, prevalence of, among savages, i. 96;
-
a check upon population, i. 134.
-
Lichtenstein, on Chera progne, ii. 120.
-
Life, inheritance at corresponding periods of, i. 280, 285.
-
Light, supposed effects of, i. 116;
-
influence of, upon the colours of shells, i. 326.
-
Lilford, Lord, the ruff attracted by bright objects, ii. 111.
-
Limosa lapponica, ii. 204.
-
Linaria, ii. 180.
-
Linaria montana, i. 307.
-
Linnæus, views of, as to the position of man, i. 190.
-
Linnet, numerical proportion of the sexes in the, i. 307;
-
crimson forehead and breast of the, ii. 86;
-
courtship of the, ii. 94.
-
Linyphia, i. 337.
-
Lion, polygamous, i. 268;
-
mane of the, defensive, ii. 266;
-
roaring of the, ii. 275.
-
Lions, stripes of young, ii. 183.
-
Lips, piercing of the, by savages, ii. 341.
-
Lithobius, prehensile appendages of the female, i. 340.
-
Lithosia, coloration in, i. 396.
-
Littorina littorea, i. 324.
-
Livingstone, Dr., on the influence of dampness and dryness on the colour of the skin, i. 242;
-
on the liability of negroes to tropical fevers after residence in a cold climate, i. 243;
-
on the spur-winged goose, ii. 47;
-
on weaver-birds, ii. 63;
-
on an African nightjar, ii. 73, 97;
-
on the battle-scars of South African male mammals, ii. 239;
-
on the removal of the upper incisors by the Batokas, ii. 340;
-
on the perforation of the upper lip by the Makalolo, ii. 342;
-
on the Banyai, ii. 347.
-
Livonia, numerical proportion of male and female births in, i. 301.
-
Lizards, relative size of the sexes of, ii. 32;
-
gular pouches of, ii. 33.
-
Lloyd, L., on the polygamy of the capercailzie and bustard, i. 269;
-
on the numerical proportion of the sexes in the capercailzie and blackcock, i. 306;
-
on the salmon, ii. 5;
-
on the colours of the sea-scorpion, ii. 9;
-
on the pugnacity of male grouse, ii. 45;
-
on the capercailzie and black-cock, ii. 49, 54;
-
on the call of the capercailzie, ii. 61;
-
on assemblages of grouse and snipes, ii. 101;
-
on the pairing of a shield-drake with a common duck, ii. 114;
-
on the battles of seals, ii. 240;
-
on the elk, ii. 249.
-
Lobivanellus, wing-spurs in, ii. 48.
-
Local influences, effect of, upon stature, i. 114.
-
Lockwood, Mr., on the development of Hippocampus, i. 210.
-
Locust, bright-coloured, rejected by lizards and birds, i. 361.
-
Locust, migratory, i. 352.
-
Locustidæ, stridulation of the, i. 352, 354;
-
Longicorn beetles, difference of the sexes of, in colour, i. 367;
-
Lonsdale, Mr., on an example of personal attachment in Helix pomatia, i. 325.
-
Lophobranchii, marsupial receptacles of the male, ii. 21.
-
Lophophorus, habits of, ii. 121.
-
Lophorina atra, sexual difference in coloration of, ii. 226.
-
Lophornis ornatus, ii. 76.
-
Lord, J. K., on Salmo lycaodon, ii. 5.
-
Lory, King, ii. 174;
-
immature plumage of the, ii. 188.
-
Love-antics and dances of birds, ii. 68.
-
Lowne, B. T., on Musca vomitoria, i. 145, 349.
-
Loxia, characters of young of, ii. 184.
-
Lubbock, Sir J., on the antiquity of man, i. 3;
-
on the origin of man, i. 4;
-
on the mental capacity of savages, i. 34;
-
on the origin of implements, i. 52;
-
on the simplification of languages, i. 62;
-
on the absence of the idea of God among certain races of men, i. 65;
-
on the origin of the belief in spiritual agencies, i. 66;
-
on superstitions, i. 69;
-
on the sense of duty, i. 71;
-
on the practice of burying the old and sick among the Fijians, i. 77;
-
non-prevalence of suicide among the lowest barbarians, i. 94;
-
on the immorality of savages, i. 97;
-
on Mr. Wallace’s claim to the origination of the idea of natural selection, i. 137;
-
on the absence of remorse among savages, i. 164;
-
on the former barbarism of civilised nations, i. 181;
-
on improvements in the arts among savages, i. 182;
-
on resemblances of the mental characters in different races of men, i. 232;
-
on the power of counting in primeval man, i. 234;
-
on the arts practised by savages, i. 234;
-
on the prehensile organs of the male Labidocera Darwinii, i. 329;
-
on Chloëon, i. 341;
-
on Smynthurus luteus, i. 348;
-
on strife for women among the North American Indians, ii. 324;
-
on music, ii. 334;
-
on the ornamental practices of savages, ii. 338;
-
on the estimation of the beard among the Anglo-Saxons, ii. 349;
-
on artificial deformation of the skull, ii. 352;
-
on “communal marriages,” ii. 358, 360;
-
on exogamy, ii. 360, 364;
-
on the Veddahs, ii. 363;
-
on polyandry, ii. 365.
-
Lucanidæ, variability of the mandibles in the male, i. 376.
-
Lucanus, large size of males of, i. 347.
-
Lucanus cervus, numerical proportion of sexes of, i. 313;
-
weapons of the male, i. 375.
-
Lucanus elaphus, use of mandibles of, i. 377;
-
large jaws of male, i. 342.
-
Lucas, Prosper, on sexual preference in horses and bulls, ii. 272.
-
Lunar periods, i. 212.
-
Lund, Dr., on skulls found in Brazilian caves, i. 218.
-
Lungs, enlargement of, in the Quechua and Aymara Indians, i. 119;
-
a modified swim-bladder, i. 207;
-
different capacity of in races of man, i. 216.
-
Luminosity in insects, i. 345.
-
Luschka, Prof., on the termination of the coccyx, i. 30.
-
Lust, instinct of, i. 89.
-
Luxury, comparatively innocuous, i. 171.
-
Lycæna, sexual differences of colouring in species of, i. 390.
-
Lyell, Sir C., on the antiquity of man, i. 3;
-
on the origin of man, i. 4;
-
on the parallelism of the development of species and languages, i. 59;
-
on the extinction of languages, i. 60;
-
on the Inquisition, i. 178;
-
on the fossil remains of vertebrata, i. 201;
-
on the fertility of mulattoes, i. 221.
-
Lynx, Canadian, throat-ruff of the, ii. 267.
-
Lyre-bird, assemblies of, ii. 101.
-
M.
-
Macacus, ears of, i. 23;
-
convoluted body in the extremity of the tail of, i. 30;
-
variability of the tail in species of, i. 150;
-
whiskers of species of, ii. 283.
-
Macacus cynomolgus, superciliary ridge of, ii. 318;
-
beard and whiskers of, becoming white with age, ii. 319.
-
Macacus inornatus, i. 151.
-
Macacus lasiotus, facial spots of, ii. 308.
-
Macacus radiatus, i. 192.
-
Macacus rhesus, sexual difference in the colour of, ii. 293, 310.
-
Macalister, Prof., on variations of the palmaris accessorius muscle, i. 109;
-
on muscular abnormalities in man, i. 128, 129;
-
on the greater variability of the muscles in men than in women, i. 275.
-
Macaws, Mr. Buxton’s observations on, i. 76;
-
McCann, J., on mental individuality, i. 63.
-
McClelland, J., on the Indian cyprinidæ, ii. 17.
-
Macculloch, Col., on an Indian village without any female children, ii. 364.
-
Macculloch, Dr., on tertian ague in a dog, i. 13.
-
Macgillivray, W., on the vocal organs of birds, i. 59;
-
on the Egyptian goose, ii. 48;
-
on the habits of woodpeckers, ii. 63;
-
on the habits of the snipe, ii. 64;
-
on the whitethroat, ii. 69;
-
on the moulting of the snipes, ii. 82;
-
on the moulting of the anatidæ, ii. 85;
-
on the finding of new mates by magpies, ii. 103;
-
on the pairing of a blackbird and thrush, ii. 113;
-
on pied ravens, ii. 126;
-
on the guillemots, ii. 127;
-
on the colours of the tits, ii. 174;
-
on the immature plumage of birds, ii. 186 et seqq.
-
Machetes, sexes and young of, ii. 216.
-
Machetes pugnax, numerical proportion of the sexes in, i. 306;
-
supposed to be polygamous, i. 270;
-
pugnacity of the male, ii. 41;
-
double moult in, ii. 81.
-
Mackintosh, on the moral sense, i. 70.
-
MacLachlan, R., on Apatania muliebris and Boreus hyemalis, i. 314;
-
on the anal appendages of male insects, i. 342;
-
on the pairing of dragon-flies, i. 347;
-
on dragon-flies, i. 362, 363;
-
on dimorphism in Agrion, i. 363;
-
on the want of pugnacity in male dragon-flies, i. 364;
-
on the ghost-moth in the Shetland Islands, i. 402.
-
McLennan, Mr., on the origin of the belief in spiritual agencies, i. 66;
-
on the prevalence of licentiousness among savages, i. 96, ii. 358;
-
on infanticide, i. 134, ii. 363;
-
on the primitive barbarism of civilised nations, i. 181;
-
on traces of the custom of the forcible capture of wives, i. 182, ii. 365;
-
on polyandry, ii. 365.
-
McNeill, Mr., on the use of the antlers of deer, ii. 252;
-
on the Scotch deerhound, ii. 261;
-
on the long hairs of the throat of the stag, ii. 268;
-
on the bellowing of stags, ii. 274.
-
Macrorhinus proboscideus, structure of the nose of, ii. 278.
-
Magpie, power of speech of, i. 59;
-
stealing bright objects, ii. 112;
-
nuptial assemblies of, ii. 102;
-
new mates found by, ii. 103;
-
young of the, ii. 209;
-
coloration of the, ii. 230.
-
Magpies, vocal organs of the, ii. 55.
-
Maillard, M., on the proportion of the sexes in a species of Papilio from Bourbon, i. 310.
-
Maine, Mr., on the absorption of one tribe by another, i. 159;
-
on the want of a desire for improvement, i. 166.
-
Makalolo, perforation of the upper lip by the, ii. 341.
-
Malar bone, abnormal division of, in man, i. 124.
-
Malay, Archipelago, marriage-customs of the savages of the, ii. 373.
-
Malays, line of separation between the Papuans and the, i. 218;
-
general beardlessness of the, ii. 321;
-
staining of the teeth among, ii. 339;
-
aversion of some, to hairs on the face, ii. 349.
-
Malays and Papuans, contrasted characters of, i. 216.
-
Male animals, struggles of, for the possession of the females, i. 259, 260;
-
eagerness of, in courtship, i. 272, 273;
-
generally more modified than female, i. 272, 275;
-
differ in the same way from females and young, i. 285.
-
Male characters, developed in females, i. 280;
-
transfer of, to female birds, ii. 193.
-
Male, sedentary, of a hymenopterous parasite, i. 272.
-
Malefactors, i. 172.
-
Males, presence of rudimentary female organs in, i. 208.
-
Males and females, comparative mortality of, while young, i. 264, 276;
-
comparative numbers of, i. 261, 263.
-
Malherbe, on the woodpeckers, ii. 174.
-
Malthus, T., on the rate of increase of population, i. 131, 132, 134.
-
Maluridæ, nidification of the, ii. 169.
-
Malurus, young of, ii. 216.
-
Mammæ, i. 254;
-
rudimentary, in male mammals, i. 17, 30, 208, 209, 210;
-
supernumerary, in women, i. 125;
-
of male human subject, i. 130.
-
Mammalia, Prof. Owen’s classification of, i. 187;
-
genealogy of the, i. 203.
-
Mammals, secondary sexual characters of, ii. 239;
-
weapons of, ii. 241;
-
recent and tertiary, comparison of cranial capacity of, i. 146;
-
relative size of the sexes of, ii. 260;
-
pursuit of female, by the males, i. 272;
-
parallelism of, with birds in secondary sexual characters, ii. 297;
-
voices of, used especially during the breeding season, ii. 331.
-
Man, variability of, i. 108;
-
erroneously regarded as more domesticated than other animals, i. 111;
-
definitive origin of, i. 235;
-
migrations of, i. 135;
-
wide distribution of, i. 137;
-
causes of the nakedness of, i. 149;
-
supposed physical inferiority of, i. 156;
-
numerical proportions of the sexes in, i. 264;
-
a member of the Catarrhine group, i. 198;
-
early progenitors of, i. 206;
-
secondary sexual characters of, ii. 316;
-
primeval condition of, ii. 367.
-
Mandans, correlation of colour and texture of hair in the, i. 248.
-
Mandible, left, enlarged in the male of Taphroderes distortus, i. 344.
-
Mandibles, use of the, in Ammophila, i. 342;
-
large, of Corydalis cornutus, i. 342;
-
large, of male Lucanus elaphus, i. 342.
-
Mandrill, number of caudal vertebræ in the, i. 150;
-
Mantegazza, Prof., on the ornaments of savages, ii. 338 et seqq.;
-
on the beardlessness of the New Zealanders, ii. 349;
-
on the exaggeration of natural characters by man, ii. 351.
-
Mantell, W., on the engrossment of pretty girls by the New Zealand chiefs, ii. 369.
-
Mantis, pugnacity of species of, i. 360.
-
Marcus Aurelius, on the origin of the moral sense, i. 71;
-
on the influence of habitual thoughts, i. 101.
-
Mareca penelope, ii. 114.
-
Marks, retained throughout groups of birds, ii. 131.
-
Marriage, influence of, upon morals, i. 96;
-
restraints upon, among savages, i. 133;
-
influence of, on mortality, i. 175;
-
development of, ii. 361.
-
Marriages, communal, ii. 358, 360;
-
Marshall, Mr., on the brain of a Bushwoman, i. 216.
-
Marsupials, i. 202;
-
possession of nipples by, i. 209;
-
their origin from Monotremata, i. 213;
-
uterus of, i. 122;
-
development of the nictitating membrane in, i. 23;
-
abdominal sacks of, i. 254;
-
relative size of the sexes of, ii. 260;
-
colours of, ii. 286.
-
Marsupium, rudimentary, in male marsupials, i. 208.
-
Martin, W. C. L., on alarm manifested by an orang at the sight of a turtle, i. 43;
-
on the hair in Hylobates, i. 194;
-
on a female American deer, ii. 258;
-
on the voice of Hylobates agilis, ii. 277;
-
on Semnopithecus nemæus, ii. 312.
-
Martin, on the beards of the inhabitants of St. Kilda, ii. 321.
-
Martins deserting their young, i. 84.
-
Martins, C., on death caused by inflammation of the vermiform appendage, i. 28.
-
Mastoid processes in man and apes, i. 143.
-
Maudsley, Dr., on the influence of the sense of smell in man, i. 24;
-
on Laura Bridgman, i. 58;
-
on the development of the vocal organs, i. 59.
-
Mayers, W. F., on the domestication of the goldfish in China, ii. 17.
-
Mayhew, E., on the affection between individuals of different sexes in the dog, ii. 270.
-
Maynard, C. J., on the sexes of Chrysemys picta, ii. 28.
-
Meckel, on correlated variation of the muscles of the arm and leg, i. 130.
-
Medicines, effect produced by, the same in man and in monkeys, i. 12.
-
Medusæ, bright colours of some, i. 322.
-
Megalithic structures, prevalence of, i. 233.
-
Megalophrys montana, sexual differences in, ii. 26, 27.
-
Megapicus validus, sexual difference of colour in, ii. 174.
-
Megasoma, large size of males of, i. 347.
-
Meigs, Dr. A., on variation in the skulls of the natives of America, i. 108.
-
Meinecke, on the numerical proportion of the sexes in butterflies, i. 309.
-
Meliphagidæ, Australian, nidification of, ii. 169.
-
Melita, secondary sexual characters of, i. 331.
-
Meloë, difference of colour in the sexes of a species of, i. 367.
-
Memory, manifestations of, in animals, i. 45.
-
Memnon, young, i. 217.
-
Mental characters, difference of, in different races of men, i. 216.
-
Mental faculties, variation of, in the same species, i. 36, 110;
-
diversity of, in the same race of men, i. 109;
-
inheritance of, i. 110;
-
similarity of the, in different races of man, i. 232;
-
of birds, ii. 108.
-
Mental powers, difference of, in the two sexes in man, ii. 326.
-
Menura Alberti, ii. 102;
-
Menura superba, ii. 101, 102;
-
long tails of both sexes of, ii. 164.
-
Merganser, trachea of the male, ii. 60.
-
Mergus cucullatus, speculum of, i. 291.
-
Mergus merganser, young of, ii. 189.
-
Merganser serrator, male plumage of, ii. 85.
-
Metallura, splendid tail-feathers of, ii. 152.
-
Methoca ichneumonides, large male of, i. 347.
-
Meves, M., on the drumming of the snipe, ii. 63.
-
Mexicans, civilisation of the, not foreign, i. 183.
-
Meyer, on a convoluted body at the extremity of the tail in a Macacus and a cat, i. 30.
-
Meyer, Dr. A., on the copulation of phryganidæ of distinct species, i. 342.
-
Migrations of man, effects of, i. 135.
-
Migratory instinct of birds, i. 79;
-
vanquishing the maternal, i. 83, 90.
-
Mill, J. S., on the origin of the moral sense, i. 71;
-
on the “greatest happiness principle,” i. 97;
-
on the difference of the mental powers in the sexes of man, ii. 328.
-
Millipedes, i. 339.
-
Milne-Edwards, H., on the use of the enlarged chela of the male Gelasimus, i. 331.
-
Milvago leucurus, sexes and young of, ii. 205.
-
Mimickry, i. 411.
-
Mimus polyglottus, ii. 109.
-
Mind, difference of, in man and the highest animals, i. 104;
-
similarity of the, in different races, i. 232.
-
Minnow, proportion of the sexes in the, i. 308, 309.
-
Minnows, spawning habits of, ii. 15.
-
Mirror, larks attracted by, ii. 112.
-
Mivart, St. George, on the reduction of organs, i. 18;
-
on the ears of the lemuroidea, i. 23;
-
on variability of the muscles in lemuroidea, i. 128, 136;
-
on the caudal vertebræ of monkeys, i. 150;
-
on the classification of the primates, i. 196;
-
on the orang and on man, i. 197;
-
on differences in the lemuroidea, i. 198;
-
on the crest of the male newt, ii. 24.
-
Mocking-thrush, partial migration of, ii. 109;
-
Modifications, unserviceable, i. 153.
-
Moles, numerical proportion of the sexes in, i. 305;
-
battles of male, ii. 239.
-
Mollienesia petenensis, sexual difference in, ii. 9.
-
Mollusca, beautiful colours and shapes of, i. 326;
-
absence of secondary sexual characters in the, i. 324.
-
Molluscoida, i. 205, 324.
-
Monacanthus scopas and M. Peronii, sexual differences in, ii. 12.
-
Mongolians, perfection of the senses in, i. 119.
-
Monkey, protecting his keeper from a baboon, i. 78, 87;
-
bonnet-, i. 192;
-
rhesus, sexual difference in colour of the, ii. 293, 310;
-
moustache-, colours of the, ii. 291.
-
Monkeys, liability of, to the same diseases as man, i. 11;
-
male, recognition of women by, i. 13;
-
revenge taken by, i. 40;
-
maternal affection in, i. 40;
-
variability of the faculty of attention in, i. 44;
-
using stones and sticks, i. 51;
-
imitative faculties of, i. 56;
-
signal-cries of, i. 57;
-
sentinels posted by, i. 74;
-
diversity of the mental faculties in, i. 110;
-
mutual kindnesses of, i. 75;
-
hands of the, i. 139, 140;
-
breaking hard fruits with stones, i. 140;
-
basal caudal vertebræ of, imbedded in the body, i. 151;
-
human characters of, i. 191;
-
gradation of species of, i. 227;
-
beards of, ii. 283;
-
ornamental characters of, ii. 306;
-
analogy of sexual differences of, with those of man, ii. 318;
-
different degrees of difference in the sexes of, ii. 323;
-
expression of emotions by, ii. 336;
-
generally monogamous habits of, ii. 361;
-
polygamous habits of some, ii. 362;
-
naked surfaces of, ii. 376;
-
American, manifestation of reason in, i. 47;
-
American, direction of the hair on the arms of some, i. 192.
-
Monogamy, not primitive, i. 182.
-
Monogenists, i. 228.
-
Mononychus pseudacori, stridulation of, i. 382.
-
Monotremata, i. 202;
-
development of the nictitating membrane in, i. 23;
-
lactiferous glands of, i. 209;
-
connecting mammals with reptiles, i. 213.
-
Monstrosities, analogous, in man and lower animals, i. 113;
-
caused by arrest of development, i. 121;
-
correlation of, i. 130;
-
transmission of, i. 224.
-
Montagu, G., on the habits of the black and red grouse, i. 269;
-
on the pugnacity of the ruff, ii. 41;
-
on the singing of birds, ii. 52;
-
on the double moult of the male pintail, ii. 84.
-
Monteiro, Mr., on Bucorax abyssinicus, ii. 72.
-
Montes de Oca, M., on the pugnacity of male Humming-birds, ii. 40.
-
Monticola cyanea, ii. 172.
-
Monuments, as traces of extinct tribes, i. 237.
-
Moose, battles of, ii. 240;
-
horns of the, an incumbrance, ii. 259.
-
Moral and instinctive impulses, alliance of, i. 88.
-
Moral faculties, their influence on natural selection in man, i. 158.
-
Moral rules, distinction between the higher and lower, i. 100.
-
Moral sense, origin of the, i. 102;
-
so-called, derived from the social instincts, i. 97, 98.
-
Moral tendencies, inheritance of, i. 102.
-
Morality, supposed to be founded in selfishness, i. 97;
-
test of, the general welfare of the community, i. 98;
-
gradual rise of, i. 103;
-
influence of a high standard of, i. 166.
-
Morgan, L. H., on the Beaver, i. 37;
-
on the reasoning powers of the Beaver, i. 46;
-
on the forcible capture of wives, i. 182;
-
on the castoreum of the beaver, ii. 279;
-
marriage unknown in primeval times, ii. 359;
-
on Polyandry, ii. 365.
-
Morris, F. O., on hawks feeding an orphan nestling, ii. 107.
-
Mortality, comparative, of females and males, i. 264, 276, 302.
-
Morton, on the number of species of man, i. 226.
-
Moschus moschiferus, odoriferous organs of, ii. 280.
-
Motacillæ, Indian, young of, ii. 190.
-
Moths, i. 394;
-
absence of mouth in some male, i. 254;
-
apterous female, i. 255;
-
male, prehensile use of the tarsi by, i. 256;
-
male, attracted by females, i. 311;
-
coloration of, i. 397;
-
sexual differences of colour in, i. 398.
-
Motmot, racket-shaped feathers in the tail of a, ii. 73.
-
Moult, double, ii. 181;
-
double annual, in birds, ii. 80.
-
Moulting of birds, ii. 214.
-
Moults, partial, ii. 83.
-
Moustache-monkey, colours of the, ii. 291, 311.
-
Moustaches, in monkeys, i. 192.
-
Mud-turtle, long claws of the male, ii. 28.
-
Mulattoes, persistent fertility of, i. 221;
-
immunity of, from yellow fever, i. 243.
-
Mule, sterility and strong vitality of the, i. 221.
-
Mules, rational, i. 48.
-
Müller, Ferd., on the Mexicans and Peruvians, i. 183.
-
Müller, Fritz, on astomatous males of Tanais, i. 255;
-
on the disappearance of spots and stripes in adult mammals, ii. 305;
-
on the proportions of the sexes in some crustacea, i. 315;
-
on secondary sexual characters in various crustaceans, i. 328 et seqq.;
-
on the luminous larva of a beetle, i. 345;
-
musical contest between male Cicadæ, i. 351;
-
on the sexual maturity of young amphipod crustacea, ii. 215.
-
Müller, J., on the nictitating membrane and semilunar fold, i. 23.
-
Müller, Max, on the origin of language, i. 56;
-
struggle for life among the words, &c., of languages, i. 60.
-
Müller, S., on the Banteng, ii. 290;
-
on the colours of Semnopithecus chrysomelas, ii. 291.
-
Muntjac-deer, weapons of the, ii. 257.
-
Murie, J., on the reduction of organs, i. 18;
-
on the ears of the Lemuroidea, i. 23;
-
on variability of the muscles in the Lemuroidea, i. 128, 136;
-
basal caudal vertebræ of Macacus inornatus imbedded in the body, i. 151;
-
on differences in the Lemuroidea, i. 198;
-
on the throat-pouch of the male Bustard, ii. 58;
-
on the mane of Otaria jubata, ii. 267;
-
on the suborbital pits of Ruminants, ii. 280;
-
on the colours of the sexes in Otaria nigrescens, ii. 287.
-
Murray, A., on the Pediculi of different races of men, i. 219.
-
Murray, T. A., on the fertility of Australian women with white men, i. 220.
-
Mus coninga, i. 50.
-
Mus minutus, sexual difference in the colour of, ii. 286.
-
Musca vomitoria, i. 145.
-
Muscicapa grisola, ii. 170.
-
Muscicapa luctuosa, ii. 170.
-
Muscicapa ruticilla, breeding in immature plumage, ii. 214.
-
Muscle, ischio-pubic, i. 127.
-
Muscles, rudimentary, occurrence of, in man, i. 19;
-
variability of the, i. 109;
-
effects of use and disuse upon, i. 116;
-
animal-like abnormalities of, in man, i. 127;
-
correlated variation of, in the arm and leg, i. 130;
-
variability of, in the hands and feet, i. 136;
-
of the jaws, influence of, on the physiognomy of the Apes, i. 144;
-
habitual spasms of, causing modifications of the facial bones, i. 147;
-
of the early progenitors of man, i. 206;
-
greater variability of the, in men than in women, i. 275.
-
Musculus sternalis, Prof. Turner on the, i. 19.
-
Music, i. 232;
-
of birds, ii. 51;
-
discordant, love of savages for, ii. 67;
-
different appreciation of, by different peoples, ii. 333;
-
origin of, ii. 333, 337;
-
effects of, ii. 335.
-
Musical cadences, perception of, by animals, ii. 333;
-
powers of man, ii. 330 et seqq.
-
Musk-deer, canine teeth of male, ii. 241, 256, 257;
-
male, odoriferous organs of the, ii. 280;
-
winter change of the, ii. 299.
-
Musk-duck, Australian, ii. 38;
-
large size of male, ii. 43;
-
of Guiana, pugnacity of the male, ii. 43.
-
Musk-ox, horns of, ii. 247.
-
Musk-rat, protective resemblance of the, to a clod of earth, ii. 298.
-
Musophagæ, colours and nidification of the, ii. 171;
-
both sexes of, equally brilliant, ii. 177.
-
Mussels opened by monkeys, i. 140.
-
Mustela, winter change of two species of, ii. 298.
-
Mutilations, healing of, i. 13.
-
Mutilla europæa, stridulation of, i. 366.
-
Mutillidæ, absence of ocelli in female, i. 341.
-
Mycetes caraya, polygamous, i. 266;
-
vocal organs of, ii. 277;
-
beard of, ii. 283;
-
sexual differences of colour in, ii. 290;
-
voice of, ii. 332.
-
Mycetes seniculus, sexual differences of colour in, ii. 290.
-
Myriapoda, i. 339.
-
N.
-
Nägeli, on the influence of natural selection on plants, i. 152;
-
on the gradation of species of plants, i. 227.
-
Nails, coloured yellow or purple in part of Africa, ii. 339.
-
Naples, greater proportion of female illegitimate children in, i. 301.
-
Narwhal, tusks of the, ii. 242, 248.
-
Nasal cavities, large size of, in American aborigines, i. 119.
-
Nascent organs, i. 18.
-
Nathusius, H. von, on the improved breeds of pigs, i. 230;
-
on the breeding of domestic animals, ii. 370.
-
Natural selection, its effects on the early progenitors of man, i. 136;
-
influence of, on man, i. 151, 154;
-
limitation of the principle, i. 152;
-
influence of, on social animals, i. 155;
-
Mr. Wallace on the limitation of, by the influence of the mental faculties in man, i. 158;
-
influence of, in the progress of the United States, i. 179.
-
Natural and sexual selection contrasted, i. 278.
-
Naulette, jaw from, large size of the canines in, i. 126.
-
Neanderthal skull, capacity of the, i. 146.
-
Neck, proportion of, in soldiers and sailors, i. 117.
-
Necrophorus, stridulation of, i. 378, 382.
-
Nectarinia, young of, ii. 190.
-
Nectariniæ, nidification of, ii. 169;
-
Negro, resemblance of a, to Europeans, in mental characters, i. 232.
-
Negro-women, their kindness to Mungo Park, i. 95.
-
Negroes, character of, i. 216;
-
lice of, i. 220;
-
blackness of, i. 224, ii. 381;
-
variability of, i. 225, 226;
-
immunity of, from yellow fever, i. 243;
-
difference of, from Americans, i. 247;
-
disfigurements of the, ii. 296;
-
colour of newborn children of, ii. 318;
-
comparative beardlessness of, ii. 321;
-
readily become musicians, ii. 334;
-
appreciation of beauty of their women by, ii. 344, 346;
-
idea of beauty among, ii. 350;
-
compression of the nose by some, ii. 352.
-
Neolithic period, i. 183.
-
Neomorpha, sexual difference of the beak in, ii. 39.
-
Nephila, i. 337.
-
Nests, made by fishes, ii. 19;
-
decoration of, by Humming-birds, ii. 112.
-
Neumeister, on a change of colour in pigeons after several moultings, i. 294.
-
Neuration, difference of, in the two sexes of some butterflies and hymenoptera, i. 345.
-
Neuroptera, i. 314, 361.
-
Neurothemis, dimorphism in, i. 363.
-
New Zealand, expectation by the natives of, of their extinction, i. 240;
-
practice of tattooing in, ii. 342;
-
aversion of natives of, to hairs on the face, ii. 349;
-
pretty girls engrossed by the chiefs in, ii. 369.
-
Newton, A., on the throat-pouch of the male bustard, ii. 58;
-
on the difference between the females of two species of Oxynotus, ii. 193;
-
on the habits of the phalarope, dotterel, and godwit, ii. 204.
-
Newts, ii. 24.
-
Nicholson, Dr., on the non-immunity of dark Europeans from yellow fever, i. 245.
-
Nictitating membrane, i. 23, 207.
-
Nidification, of fishes, ii. 19;
-
relation of, to colour, ii. 167, 172;
-
of British birds, ii. 169.
-
Night-heron, cries of the, ii. 51.
-
Nightingale, arrival of the male before the female, i. 259;
-
object of the song of the, ii. 52.
-
Nightingales, new mates found by, ii. 105.
-
Nightjar, selection of a mate by the female, ii. 116;
-
Australian, sexes of, ii. 206;
-
coloration of the, ii. 226.
-
Nightjars, noise made by some male, with their wings, ii. 62;
-
elongated feathers in, ii. 73, 97.
-
Nilghau, sexual differences of colour in the, ii. 287.
-
Nilsson, Prof., on the resemblance of stone arrow-heads from various places, i. 233;
-
on the development of the horns in the reindeer, i. 288.
-
Nipples, absence of, in Monotremata, i. 209.
-
Nitzsch, C. L., on the down of birds, ii. 80.
-
Noctuæ, brightly-coloured beneath, i. 397.
-
Noctuidæ, coloration of, i. 394.
-
Nordmann, A., on Tetrao urogalloides, ii. 100.
-
Nomadic habits, unfavourable to human progress, i. 167.
-
Norway, numerical proportion of male and female births in, i. 301.
-
Nose, resemblance of, in man and the apes, i. 192;
-
piercing and ornamentation of the, ii. 341;
-
flattening of the, ii. 352;
-
very flat, not admired in negroes, ii. 350.
-
Nott and Gliddon, on the features of Rameses II., i. 217;
-
on the features of Amunoph III., i. 218;
-
on skulls from Brazilian caves, i. 218;
-
on the immunity of negroes and mulattoes from yellow fever, i. 243;
-
on the deformation of the skull among American tribes, ii. 352.
-
Nudibranch mollusca, bright colours of, i. 326.
-
Numerals, Roman, i. 182.
-
Nunemaya, natives of, bearded, ii. 322, 349.
-
O.
-
Obedience, value of, i. 162.
-
Observation, powers of, possessed by birds, ii. 109.
-
Occupations, sometimes a cause of diminished stature, i. 115;
-
effect of, upon the proportions of the body, i. 116.
-
Ocelli, absence of, in female Mutillidæ, i. 341.
-
Ocelli of birds, formation and variability of the, ii. 132.
-
Ocelot, sexual differences in the colouring of the, ii. 287.
-
Ocyphaps lophotes, ii. 96.
-
Odonata, i. 314.
-
Odonestis potatoria, sexual difference of colour in, i. 398.
-
Odour, correlation of, with colour of skin, i. 248;
-
emitted by snakes in the breeding-season, ii. 30;
-
of mammals, ii. 278.
-
Œcanthus nivalis, difference of colour in the sexes of, i. 361.
-
Oidemia, ii. 226, 227.
-
Olivier, on sounds produced by Pimelia striata, i. 385.
-
Omaloplia brunnea, stridulation of, i. 381.
-
Onitis furcifer, processes of anterior femora of the male, and on the head and thorax of the female, i. 372.
-
Onthophagus, i. 370.
-
Onthophagus rangifer, sexual differences of, i. 369;
-
variation in the horns of the male, i. 370.
-
Ophidia, sexual differences of, ii. 29.
-
Opossum, wide range of, in America, i. 219.
-
Optic nerve, atrophy of the, caused by destruction of the eye, i. 116.
-
Orang-Outan, ii. 323;
-
Bischoff on the agreement of the brain of the, with that of man, i. 11;
-
adult age of the, i. 13;
-
ears of the, i. 21;
-
vermiform appendage of, i. 27;
-
platforms built by the, i. 36;
-
alarmed at the sight of a turtle, i. 43;
-
using a stick as a lever, i. 51;
-
using missiles, i. 52;
-
using the leaves of the Pandanus as a night covering, i. 53;
-
hands of the, i. 139;
-
absence of mastoid processes in the, i. 143;
-
direction of the hair on the arms of the, i. 192;
-
its aberrant characters, i. 197;
-
supposed evolution of the, i. 230;
-
voice of the, ii. 276;
-
monogamous habits of the, ii. 361;
-
male, beard of the, ii. 284.
-
Oranges, treatment of, by monkeys, i. 139.
-
Orange-tip butterfly, i. 388, 393, 394.
-
Orchestia Darwinii, dimorphism of males of, i. 332.
-
Orchestia Tucuratinga, limbs of, i. 330, 331, 337.
-
Ordeal, i. 68.
-
Oreas canna, colours of, ii. 288.
-
Oreas Derbyanus, colours of, ii. 288, 299.
-
Organs, prehensile, i. 256;
-
utilised for new purposes, ii. 335.
-
Organic scale, von Baer’s definition of progress in, i. 211.
-
Orioles, nidification of, ii. 167.
-
Oriolus, species of, breeding in immature plumage, ii. 214, 215.
-
Oriolus melanocephalus, coloration of the sexes in, ii. 178.
-
Ornaments, prevalence of similar, i. 233;
-
fondness of savages for, ii. 338;
-
of male birds, ii. 50.
-
Ornamental characters, equal transmission of, to both sexes, in mammals, ii. 297;
-
Ornithoptera crœsus, i. 310.
-
Ornithorhynchus, i. 200;
-
spur of the male, ii. 242;
-
reptilian tendency of, i. 204.
-
Orocetes erythrogastra, young of, ii. 219.
-
Orrony, Grotto of, i. 28.
-
Orsodacna atra, difference of colour in the sexes of, i. 368.
-
Orthoptera, i. 352;
-
metamorphosis of, i. 292;
-
stridulating, auditory apparatus of, i. 353;
-
colours of, i. 360;
-
rudimentary stridulating organs in female, i. 359;
-
stridulation of the, and Homoptera, discussed, i. 360.
-
Ortygornis gularis, pugnacity of the male, ii. 44.
-
Oryctes, stridulation of, i. 381;
-
sexual differences in the stridulant organs of, i. 383.
-
Oryx leucoryx, use of the horns of, ii. 251, 263.
-
Osphranter rufus, sexual difference in the colour of, ii. 286.
-
Ostrich, African, sexes and incubation of the, ii. 205.
-
Ostriches, stripes of young, ii. 184.
-
Otaria jubata, mane of the male, ii. 267.
-
Otaria nigrescens, difference in the coloration of the sexes of, ii. 287.
-
Otis bengalensis, love-antics of the male, ii. 68.
-
Otis tarda, polygamous, i. 269;
-
throat-pouch of the male, ii. 58.
-
Ouzel, ring-, colours and nidification of the, ii. 179.
-
Ouzel, water-, colours and nidification of the, ii. 170.
-
Ovibos moschatus, horns of, ii. 247.
-
Ovipositor of insects, i. 254.
-
Ovis cycloceros, mode of fighting of, ii. 249.
-
Ovule of man, i. 14.
-
Owen, Prof., on the Corpora Wolffiana, i. 16;
-
on the great toe in man, i. 16;
-
on the nictitating membrane and semilunar fold, i. 23;
-
on the development of the posterior molars in different races of man, i. 26;
-
on the length of the cæcum in the Koala, i. 27;
-
on the coccygeal vertebræ, i. 29;
-
on rudimentary structures belonging to the reproductive system, i. 31;
-
on abnormal conditions of the human uterus, i. 123;
-
on the number of digits in the Ichthyopterygia, i. 125;
-
on the canine teeth in man, i. 126;
-
on the walking of the chimpanzee and orang, i. 139;
-
on the mastoid processes in the higher apes, i. 143;
-
on the hairiness of elephants in elevated districts, i. 149;
-
on the caudal vertebræ of monkeys, i. 150;
-
classification of mammalia, i. 187;
-
on the hair in monkeys, i. 194;
-
on the piscine affinities of the Ichthyosaurians, i. 204;
-
on polygamy and monogamy among the antelopes, i. 267;
-
on the horns of Antilocapra americana, i. 289;
-
on the musky odour of crocodiles during the breeding season, ii. 29;
-
on the scent-glands of snakes, ii. 30;
-
on the Dugong, Cachalot and Ornithorhynchus, ii. 242;
-
on the antlers of the red deer, ii. 252;
-
on the dentition of the camelidæ, ii. 257;
-
on the tusks of the Mammoth, ii. 258;
-
on the horns of the Irish elk, ii. 259;
-
on the voice in the giraffe, porcupine, and stag, ii. 274;
-
on the laryngeal sac of the gorilla and orang, ii. 276;
-
on the odoriferous glands of mammals, ii. 279, 280;
-
on the effects of emasculation on the vocal organs of men, ii. 330;
-
on the voice of Hylobates agilis, ii. 332;
-
on American monogamous monkeys, ii. 362.
-
Owls, white, new mates found by, ii. 105.
-
Oxynotus, difference of the females of two species of, ii. 193.
-
P.
-
Pachydermata, i. 268.
-
Paget, on the abnormal development of hairs in man, i. 25;
-
on the thickness of the skin on the soles of the feet of infants, i. 118.
-
Painting, i. 232.
-
Palæmon, chelæ of a species of, i. 331.
-
Palæornis, sexual differences of colour in, ii. 231.
-
Palæornis Javanicus, colour of beak of, ii. 179.
-
Palæornis rosa, young of, ii. 188.
-
Palamedea cornuta, spurs on the wings, ii. 47.
-
Paleolithic period, i. 183.
-
Palestine, habits of the chaffinch in, i. 307.
-
Pallas, on the perfection of the senses in the Mongolians, i. 119;
-
on the want of connexion between climate and the colour of the skin, i. 241;
-
on the polygamous habits of Antilope Saiga, i. 267;
-
on the lighter colour of horses and cattle in winter in Siberia, i. 282;
-
on the tusks of the musk-deer, ii. 256, 258;
-
on the odoriferous glands of mammals, ii. 279;
-
on the odoriferous glands of the musk-deer, ii. 280;
-
on winter changes of colour in mammals, ii. 298;
-
on the ideal of female beauty in North China, ii. 344.
-
Palmaris accessorius muscle, variations of the, i. 109.
-
Pampas, horses of the, i. 236.
-
Pangenesis, hypothesis of, i. 280, 284.
-
Panniculus carnosus, i. 19.
-
Papilio, sexual differences of colouring in species of, i. 389;
-
proportion of the sexes in North American species of, i. 309;
-
coloration of the wings in species of, i. 396.
-
Papilio ascanius, i. 389.
-
Papilio Sesostris and Childrenæ, variability of, i. 402.
-
Papilio Turnus, i. 310.
-
Papilionidæ, variability in the, i. 402.
-
Papuans, line of separation between the, and the Malays, i. 218;
-
beards of the, ii. 322;
-
hair of, ii. 340.
-
Papuans and Malays, contrast in characters of, i. 216.
-
Paradise, Birds of, ii. 100, 181;
-
supposed by Lesson to be polygamous, i. 260;
-
rattling of their quills by, ii. 61;
-
racket-shaped feathers in, ii. 73;
-
sexual differences in colour of, ii. 76;
-
decomposed feathers in, ii. 74, 97;
-
display of plumage by the male, ii. 88.
-
Paradisea apoda, barbless feathers in the tail of, ii. 74;
-
plumage of, ii. 78;
-
and P. papuana, divergence of the females of, ii. 192.
-
Paradisea rubra, ii. 75, 78.
-
Paraguay, Indians of, eradication of eyebrows and eyelashes by, ii. 348.
-
Parrakeet, Australian, variation in the colour of the thighs of a male, ii. 126.
-
Parallelism of development of species and languages, i. 59.
-
Parasites on man and animals, i. 12;
-
as evidence of specific identity or distinctness, i. 219;
-
immunity from, correlated with colour, i. 242.
-
Parental affection, partly a result of natural selection, i. 81.
-
Parents, age of, influence upon sex of offspring, i. 302.
-
Parinæ, sexual difference of colour in, ii. 174.
-
Park, Mungo, negro-women teaching their children to love the truth, i. 95;
-
his treatment by the negro-women, i. 95, 326;
-
on negro opinions of the appearance of white men, ii. 346.
-
Parrot, racket-shaped feathers in the tail of a, ii. 73;
-
instance of benevolence in a, ii. 109.
-
Parrots, imitative faculties of, i. 44;
-
change of colour in, i. 152;
-
living in triplets, ii. 106;
-
affection of, ii. 108;
-
colours of, ii. 223;
-
sexual differences of colour in, ii. 231;
-
colours and nidification of the, ii. 171, 174, 176;
-
immature plumage of the, ii. 188;
-
musical powers of, ii. 335.
-
Parthenogenesis in the Tenthredinæ, i. 314;
-
in Cynipidæ, i. 314;
-
in crustacea, i. 315.
-
Partridge, monogamous, i. 269;
-
proportion of the sexes in the, i. 306;
-
female, ii. 194.
-
“Partridge-dances,” ii. 68.
-
Partridges, living in triplets, ii. 106;
-
spring coveys of male, ii. 107;
-
distinguishing persons, ii. 110.
-
Parus cæruleus, ii. 174.
-
Passer, sexes and young of, ii. 212.
-
Passer brachydactylus, ii. 212.
-
Passer domesticus, ii. 170, 212.
-
Passer montanus, ii. 170, 212.
-
Patagonians, self-sacrifice by, i. 88.
-
Patterson, Mr., on the AGRIONIDÆ, i. 362.
-
Paulistas of Brazil, i. 225.
-
Pavo cristatus, i. 290; ii. 136.
-
Pavo muticus, i. 290, ii. 136;
-
possession of spurs by the female, ii. 46, 162.
-
Pavo nigripennis, ii. 120.
-
Payaguas Indians, thin legs and thick arms of the, i. 117.
-
Payan, Mr., on the proportion of the sexes in sheep, i. 305.
-
Peacock, polygamous, i. 269;
-
sexual characters of, i. 290;
-
pugnacity of the, ii. 46;
-
rattling of the quills by, ii. 61;
-
elongated tail-coverts of the, ii. 72, 97;
-
love of display of the, ii. 68, 87, 135;
-
ocellated spots of the, ii. 135;
-
inconvenience of long tail of the, to the female, ii. 154, 164, 165;
-
continued increase of beauty of the, ii. 216.
-
Peacock-butterfly, i. 392.
-
Peafowl, preference of females for a particular male, ii. 120;
-
first advances made by the female, ii. 120.
-
Pediculi of domestic animals and man, i. 219.
-
Pedigree of man, i. 213.
-
Pedionomus torquatus, sexes of, ii. 201.
-
Peewit, wing-tubercles of the male, ii. 48.
-
Pelagic animals, transparency of, i. 323.
-
Pelecanus erythrorhynchus, horny crest on the beak of the male, during the breeding season, ii. 80.
-
Pelecanus onocrotalus, spring plumage of, ii. 85.
-
Pelelé, ii. 341.
-
Pelican, blind, fed by his companions, i. 77;
-
young, guided by old birds, i. 77;
-
pugnacity of the male, ii. 43.
-
Pelicans, fishing in concert, i. 75.
-
Pelobius Hermanni, stridulation of, i. 380, 382.
-
Pelvis, alteration of, to suit the erect attitude of man, i. 143;
-
differences of the, in the sexes in man, ii. 317.
-
Penelope nigra, sound produced by the male, ii. 64.
-
Pennant, on the battles of seals, ii. 240;
-
on the bladder-nose seal, ii. 278.
-
Penthe, antennal cushions of the male, i. 343.
-
Perch, brightness of male, during breeding season, ii. 13.
-
Peregrine Falcon, new mate found by, ii. 104.
-
Period of variability, relation of, to sexual selection, i. 296.
-
Periodicity, vital, Dr. Laycock on, i. 12.
-
Periods, lunar, followed by functions in man and animals, i. 12, 212.
-
Periods of life, inheritance at corresponding, i. 280, 285.
-
Perisoreus canadensis, young of, ii. 209.
-
Peritrichia, difference of colour in the sexes of a species of, i. 367.
-
Periwinkle, i. 324.
-
Pernis cristata, ii. 126.
-
Perseverance, a characteristic of man, ii. 328.
-
Persians, said to be improved by intermixture with Georgians and Circassians, ii. 357.
-
Personnat, M., on Bombyx Yamamai, i. 310.
-
Peruvians, civilisation of the, not foreign, i. 183.
-
Petrels, colours of, ii. 230.
-
Petrocincla cyanea, young of, ii. 219.
-
Petronia, ii. 212.
-
Pfeiffer, Ida, on Javanese ideas of beauty, ii. 347.
-
Phacochœrus æthiopicus, tusks and pads of, ii. 265.
-
Phalanger, Vulpine, black varieties of the, ii. 294.
-
Phalaropus fulicarius, ii. 203.
-
Phalaropus hyperboreus, ii. 203.
-
Phanæus, i. 373.
-
Phanæus carnifex, variation of the horns of the male, i. 370.
-
Phanæus faunus, sexual differences of, i. 369.
-
Phanæus lancifer, i. 370.
-
Phasgonura viridissima, stridulation of, i. 354, 356.
-
Phasianus Sœmmerringii, ii. 157.
-
Phasianus versicolor, ii. 89.
-
Phasianus Wallichii, ii. 93, 196.
-
Phasmidæ, mimickry of leaves by the, i. 414.
-
Pheasant, polygamous, i. 269;
-
production of hybrids with the common fowl, ii. 122;
-
and black grouse, hybrids of, ii. 113;
-
immature plumage of the, ii. 188.
-
Pheasant, Argus, ii. 72, 181;
-
display of plumage by the male, ii. 91;
-
ocellated spots of the, ii. 134, 141;
-
gradation of characters in the, ii. 141.
-
Pheasant, Blood-, ii. 46.
-
Pheasant, Cheer, ii. 93, 195.
-
Pheasant, Eared, i. 290, ii. 93, 195;
-
sexes alike in the, ii. 178;
-
length of the tail in the, ii. 166.
-
Pheasant, Golden, display of plumage by the male, ii. 89;
-
sex of young, ascertained by pulling out head-feathers, ii. 214;
-
age of mature plumage in the, ii. 213.
-
Pheasant, Kalij, drumming of the male, ii. 62.
-
Pheasant, Reeve’s, length of the tail in, ii. 166.
-
Pheasant, Silver, sexual coloration of the, ii. 228;
-
triumphant male, deposed on account of spoiled plumage, ii. 120.
-
Pheasant, Sœmmerring’s, ii. 156, 166.
-
Pheasant, Tragopan, ii. 72;
-
display of plumage by the male, ii. 91;
-
markings of the sexes of the, ii. 134.
-
Pheasants, period of acquisition of male characters in the family of the, i. 290;
-
proportion of sexes in chicks of, i. 306;
-
length of the tail in, ii. 156, 164, 166.
-
Philodromus, i. 337.
-
Philters, worn by women, ii. 344.
-
Phoca grœnlandica, sexual difference in the coloration of, ii. 287.
-
Phœnicura ruticilla, ii. 105.
-
Phosphorescence of insects, i. 345.
-
Phryganidæ, copulation of distinct species of, i. 342.
-
Phryniscus nigricans, ii. 25.
-
Physical inferiority, supposed, of man, i. 156.
-
Pickering, on the number of species of man, i. 226.
-
Picton, J. A., on the soul of man, ii. 395.
-
Picus auratus, ii. 43.
-
Pieridæ, mimickry by female, i. 413.
-
Pieris, i. 393.
-
Pigeon, carrier, late development of the wattle in, i. 293;
-
domestic, breeds and sub-breeds of, ii. 178;
-
pouter, late development of the crop in, i. 293;
-
female, deserting a weakened mate, i. 262.
-
Pigeons, nestling, fed by the secretion of the crop of both parents, i. 210;
-
changes of plumage in, i. 281;
-
transmission of sexual peculiarities in, i. 283;
-
changing colour after several moultings, i. 294;
-
numerical proportion of the sexes in, i. 306;
-
cooing of, ii. 60;
-
variations in plumage of, ii. 74;
-
display of plumage by male, ii. 96;
-
local memory of, ii. 109;
-
antipathy of female, to certain males, ii. 118;
-
pairing of, ii. 118, 119;
-
profligate male and female, ii. 119;
-
wing-bars and tail-feathers of, ii. 131;
-
supposititious breed of, ii. 155;
-
pouter and carrier, peculiarities of predominant in males, ii. 158;
-
nidification of, ii. 168;
-
immature plumage of the, ii. 188;
-
Australian, ii. 175;
-
Belgian, with black-streaked males, i. 285, 293; ii. 157.
-
Pigs, origin of the improved breeds of, i. 230;
-
numerical proportion of the sexes in, i. 305;
-
stripes of young, ii. 184, 303;
-
sexual preference shown by, ii. 273.
-
Pike, American, brilliant colours of the male, during the breeding season, ii. 14.
-
Pike, male, devoured by females, i. 308.
-
Pike, L. O., on the psychical elements of religion, i. 68.
-
Pimelia striata, sounds produced by the female, i. 385.
-
Pintail Drake, plumage of, ii. 84;
-
pairing with a wild duck, ii. 115.
-
Pintail Duck, pairing with a Wigeon, ii. 114.
-
Pipe-fish, filamentous, ii. 18;
-
marsupial receptacles of the male, ii. 21.
-
Pipits, moulting of the, ii. 83.
-
Pipra, modified secondary wing-feathers of male, ii. 65.
-
Pipra deliciosa, ii. 65, 66.
-
Pirates stridulus, stridulation of, i. 350.
-
Pithecia leucocephala, sexual differences of colour in, ii. 290.
-
Pithecia Satanas, beard of, ii. 283, 284, 285;
-
resemblance of, to a negro, ii. 381.
-
Pits, suborbital, of Ruminants, ii. 280.
-
Pittidæ, nidification of, ii. 167.
-
Placentata, i. 202.
-
Plagiostomous fishes, ii. 1.
-
Plain-wanderer, Australian, ii. 201.
-
Planariæ, bright colours of some, i. 322.
-
Plantain-eaters, colours and nidification of the, ii. 171;
-
both sexes of, equally brilliant, ii. 177.
-
Plants, cultivated, more fertile than wild, i. 132;
-
Nägeli, on natural selection in, i. 152;
-
male flowers of, mature before the female, i. 260;
-
phenomena of fertilisation in, i. 273;
-
relation between number and size of seeds in, i. 317.
-
Platalea, ii. 60;
-
change of plumage in, ii. 179.
-
Platyblemnus, i. 361.
-
Platycercus, young of, ii. 209.
-
Platyphyllum concavum, i. 352, 356.
-
Platyrrhine monkeys, i. 196.
-
Platysma myoides, i. 19.
-
Plecostomus, head-tentacles of the male of a species of, ii. 10.
-
Plecostomus barbatus, peculiar beard of the male, ii. 10.
-
Plectropterus gambensis, spurred wings of, ii. 46.
-
Ploceus, ii. 54.
-
Plovers, wing-spurs of, ii. 48;
-
Plumage, changes of, inheritance of, by fowls, i. 281;
-
tendency to analogous variation in, ii. 74;
-
display of, by male birds, ii. 86, 96;
-
changes of, in relation to season, ii. 180;
-
immature, of birds, ii. 183, 187;
-
colour of, in relation to protection, ii. 223.
-
Plumes on the head in birds, difference of, in the sexes, ii. 164.
-
Pneumora, structure of, i. 357.
-
Podica, sexual difference in the colour of the irides of, ii. 128.
-
Poeppig, on the contact of civilised and savage races, i. 239.
-
Poison, avoidance of, by animals, i. 49.
-
Poisonous fruits and herbs avoided by animals, i. 36.
-
Poisons, immunity from, correlated with colour, i. 242.
-
Polish fowls, origin of the crest in, i. 284.
-
Pollen and van Dam, on the colours of Lemur macaco, ii. 290.
-
Polyandry, ii. 365;
-
in certain cyprinidæ, i. 309;
-
among the elateridæ, i. 313.
-
Polydactylism in man, i. 125.
-
Polygamy, influence of, upon sexual selection, i. 265;
-
superinduced by domestication, i. 270;
-
supposed increase of female births by, i. 303;
-
in the stickleback, ii. 2.
-
Polygenists, i. 228.
-
Polynesia, prevalence of infanticide in, ii. 364.
-
Polynesians, aversion of, to hairs on the face, ii. 349;
-
wide geographical range of, i. 112;
-
difference of stature among the, i. 115;
-
crosses of, i. 225;
-
variability of, i. 225;
-
heterogeneity of the, i. 241.
-
Polyplectron, display of plumage by the male, i. 89;
-
number of spurs in, ii. 46;
-
gradation of characters in, ii. 137;
-
female of, ii. 194.
-
Polyplectron chinquis, ii. 90, 138, 139.
-
Polyplectron Hardwickii, ii. 138, 139.
-
Polyplectron malaccense, ii. 139, 140.
-
Polyplectron Napoleonis, ii. 138, 140.
-
Polyzoa, i. 324.
-
Pontoporeia affinis, i. 329.
-
Porcupine, mute, except in the rutting season, ii. 274.
-
Pores, excretory, numerical relation of, to the hairs in sheep, i. 248.
-
Porpitæ, bright colours of some, i. 322.
-
Portax picta, dorsal crest and throat-tuft of, ii. 282;
-
sexual differences of colour in, ii. 287, 299.
-
Portunus puber, pugnacity of, i. 332.
-
Potamochoerus penicillatus, tusks and facial knobs of the, ii. 266.
-
Pouchet, G., on the ratio of instinct and intelligence, i. 37;
-
on the instincts of ants, i. 187;
-
on the caves of Abou-Simbel, i. 217;
-
on the immunity of negroes from yellow fever, i. 243.
-
Pouter pigeon, late development of the large crop in, i. 293.
-
Power, Dr., on the different colours of the sexes in a species of Squilla, i. 335.
-
Powys, Mr., on the habits of the chaffinch in Corfu, i. 307.
-
Pre-eminence of man, i. 137.
-
Preference for males by female birds, ii. 113, 122;
-
shown by mammals, in pairing, ii. 268.
-
Prehensile organs, i. 256.
-
Presbytis entellus, fighting of the male, ii. 324.
-
Preyer, Dr., on supernumerary mammæ in women, i. 125.
-
Prichard, on the difference of stature among the Polynesians, i. 115;
-
on the connection between the breadth of the skull in the Mongolians and the perfection of their senses, i. 119;
-
on the capacity of British skulls of different ages, i. 146;
-
on the flattened heads of the Colombian savages, ii. 340;
-
on Siamese notions of beauty, ii. 345;
-
on the beardlessness of the Siamese, ii. 349;
-
on the deformation of the head among American tribes and the natives of Arakhan, ii. 352.
-
Primary sexual organs, i. 254.
-
Primates, i. 190;
-
sexual differences of colour in, ii. 290.
-
Primogeniture, evils of, i. 170.
-
Primula, relation between number and size of seeds in, i. 317.
-
Prionidæ, difference of the sexes in colour, i. 367.
-
Proctotretus multimaculatus, ii. 26, 37.
-
Proctotretus tenuis, sexual difference in the colour of, ii. 37.
-
Profligacy, i. 173.
-
Progenitors, early, of man, i. 206.
-
Progress, not the normal rule in human society, i. 166;
-
Prong-horn, horns of, i. 289.
-
Proportions, difference of, in distinct races, i. 216.
-
Protective colouring in butterflies, i. 392;
-
Protective nature of the dull colouring of female Lepidoptera, i. 403, 405, 414.
-
Protective resemblances in fishes, ii. 18.
-
Protozoa, absence of secondary sexual characters in, i. 321.
-
Pruner-Bey, on the occurrence of the supra-condyloid foramen in the humerus of man, i. 29;
-
on the colour of negro infants, ii. 318.
-
Prussia, numerical proportion of male and female births in, i. 301.
-
Psocus, proportions of the sexes in, i. 314.
-
Ptarmigan, monogamous, i. 269;
-
summer and winter plumage of the, ii. 81, 83;
-
nuptial assemblages of, ii. 101;
-
triple moult of the, ii. 181;
-
protective coloration of, ii. 198.
-
Puff-birds, colours and nidification of the, ii. 171.
-
Pugnacity of fine-plumaged male birds, ii. 93.
-
Pumas, stripes of young, ii. 183.
-
Puppies learning from cats to clean their faces, i. 44.
-
Pycnonotus hæmorrhous, pugnacity of the male, ii. 41;
-
display of under tail coverts by the male, ii. 96.
-
Pyranga æstiva, male aiding in incubation, ii. 167.
-
Pyrodes, difference of the sexes in colour, i. 367.
-
Q.
-
Quadrumana, hands of, i. 139;
-
differences between man and the, i. 190;
-
dependence of, on climate, i. 218;
-
sexual differences of colour in, ii. 290;
-
ornamental characters of, ii. 306;
-
analogy of sexual differences of, with those of man, ii. 318;
-
fighting of males for the females, ii. 324;
-
monogamous habits of, ii. 361;
-
beards of the, ii. 378.
-
Quain, R., on the variation of the muscles in man, i. 109.
-
Quatrefages, A. de, on the occurrence of a rudimentary tail in man, i. 29;
-
on the moral sense as a distinction between man and animals, i. 70;
-
on variability, i. 112;
-
on the fertility of Australian women with white men, i. 221;
-
on the Paulistas of Brazil, i. 225;
-
on the evolution of the breeds of cattle, i. 230;
-
on the Jews, i. 242;
-
on the liability of negroes to tropical fevers after residence in a cold climate, i. 243;
-
on the difference between field- and house-slaves, i. 246;
-
on the influence of climate on colour, i. 246;
-
on the Ainos, ii. 321;
-
on the women of San-Giuliano, ii. 357.
-
Quechua Indians, i. 119;
-
local variation of colour in the, i. 246;
-
no grey hair among the, ii. 320;
-
hairlessness of the, ii. 322;
-
long hair of the, ii. 348.
-
Querquedula acuta, ii. 114.
-
Quiscalus major, proportions of the sexes of, in Florida and Honduras, i. 307.
-
R.
-
Rabbit, white tail of the, ii. 298.
-
Rabbits, danger-signals of, i. 74;
-
domestic, elongation of the skull in, i. 147;
-
modification of the skull in, by the lopping of the ear, i. 147;
-
numerical proportion of the sexes in, i. 305.
-
Races, distinctive characters of, i. 215;
-
or species of man, i. 217;
-
crossed, fertility or sterility of, i. 220;
-
of man, variability of the, i. 225;
-
of man, resemblance of, in mental characters, i. 232;
-
formation of, i. 235;
-
of man, extinction of, i. 236;
-
effects of the crossing of, i. 240;
-
of man, formation of the, i. 240;
-
of man, children of the, ii. 318;
-
beardless, aversion of, to hairs on the face, ii. 349.
-
Raffles, Sir S., on the Banteng, ii. 290.
-
Rafts, use of, i. 137, 234.
-
Rage, manifested by animals, i. 40.
-
Raia batis, teeth of, ii. 6.
-
Raia clavata, female spined on the back, ii. 2;
-
sexual difference in the teeth of, ii. 6.
-
Raia maculata, teeth of, ii. 6.
-
Rails, spur-winged, ii. 48.
-
Ram, mode of fighting of the, ii. 249;
-
African, mane of an, ii. 284;
-
fat-tailed, ii. 284.
-
Rameses II., i. 217.
-
Ramsay, Mr., on the Australian Musk-duck, ii. 38;
-
on the Regent-bird, ii. 113;
-
on the incubation of Menura superba, ii. 165.
-
Rana esculenta, vocal sacs of, ii. 28.
-
Rat, common, general dispersion of, a consequence of superior cunning, i. 50;
-
supplantation of the native, in New Zealand, by the European rat, i. 240;
-
common, said to be polygamous, i. 268;
-
numerical proportion of the sexes in, i. 305.
-
Rats, enticed by essential oils, ii. 281.
-
Rationality of birds, ii. 108.
-
Rattle-snakes, difference of the sexes in the, ii. 29;
-
said to use their rattles as a sexual call, ii. 30.
-
Raven, vocal organs of the, ii. 55;
-
stealing bright objects, ii. 112;
-
pied, of the Feroe Islands, ii. 120.
-
Rays, prehensile organs of male, ii. 1.
-
Razor-bill, young of the, ii. 217.
-
Reade, Winwood, on the Guinea sheep, i. 289;
-
non-development of horns in castrated male Guinea sheep, ii. 247;
-
on the occurrence of a mane in an African ram, ii. 285;
-
on the negroes’ appreciation of the beauty of their women, ii. 344;
-
on the admiration of negroes for a black skin, ii. 346;
-
on the idea of beauty among negroes, ii. 350;
-
on the Jollofs, ii. 357;
-
on the marriage-customs of the negroes, ii. 374.
-
Reason, in animals, i. 46.
-
Redstart, American, breeding in immature plumage, ii. 214.
-
Redstarts, new mates found by, ii. 105.
-
Reduvidæ, stridulation of, i. 350.
-
Reed-bunting, head-feathers of the male, ii. 95;
-
attacked by a bullfinch, ii. 111.
-
Reefs, fishes frequenting, ii. 17.
-
Regeneration, partial, of lost parts in man, i. 13.
-
Regent-bird, ii. 112.
-
Reindeer, antlers of, with numerous points, ii. 252;
-
sexual preferences shown by, ii. 273;
-
horns of the, i. 288;
-
winter change of the, ii. 299;
-
battles of, ii. 240;
-
horns of the female, ii. 243.
-
Relationship, terms of, ii. 360.
-
Religion, deficiency of, among certain races, i. 65;
-
psychical elements of, i. 68.
-
Remorse, i. 91;
-
deficiency of, among savages, i. 164.
-
Rengger, on the diseases of Cebus Azaræ, i. 11;
-
on maternal affection in a Cebus, i. 40;
-
revenge taken by monkeys, i. 40;
-
on the reasoning powers of American monkeys, i. 47;
-
on the use of stones by monkeys for cracking hard nuts, i. 51;
-
on the sounds uttered by Cebus Azaræ, i. 54;
-
on the signal-cries of monkeys, i. 57;
-
on the diversity of the mental faculties of monkeys, i. 110;
-
on the Payaguas Indians, i. 117;
-
on the inferiority of Europeans to savages in their senses, i. 118;
-
on the polygamous habits of Mycetes caraya, i. 266;
-
on the voice of the howling monkeys, ii. 277;
-
on the odour of Cervus campestris, ii. 279;
-
on the beards of Mycetes caraya and Pithecia Satanas, ii. 283;
-
on the colours of Felis mitis, ii. 287;
-
on the colours of Cervus paludosus, ii. 290;
-
on sexual differences of colour in Mycetes, ii. 291;
-
on the colour of the infant Guaranys, ii. 318;
-
on the early maturity of the female of Cebus azaræ, ii. 318;
-
on the beards of the Guaranys, ii. 322, 323;
-
on the emotional notes employed by monkeys, ii. 336;
-
on American polygamous monkeys, ii. 362.
-
Representative species, of birds, ii. 190, 191.
-
Reproduction, unity of phenomena of, throughout the mammalia, i. 13;
-
period of, in birds, ii. 214.
-
Reproductive system, rudimentary structures in the, i. 30;
-
accessory parts of, i. 207.
-
Reptiles, ii. 28.
-
Reptiles and birds, alliance of, i. 213.
-
Resemblances, small, between man and the apes, i. 191.
-
Retrievers, exercise of reasoning faculties by, i. 48.
-
Revenge, manifested by animals, i. 40.
-
Reversion, i. 122;
-
perhaps the cause of some bad dispositions, i. 173.
-
Rhagium, difference of colour in the sexes of a species of, i. 367.
-
Ramphastos carinatus, ii. 227.
-
Rhinoceros, nakedness of, i. 148;
-
horns of, ii. 247;
-
horns of, used defensively, ii. 263;
-
attacking white or grey horses, ii. 295.
-
Rhynchæa, sexes and young of, ii. 202.
-
Rhynchæa australis, ii. 203.
-
Rhynchæa bengalensis, ii. 203.
-
Rhynchæa capensis, ii. 202.
-
Rhythm, perception of, by animals, ii. 333.
-
Richard, M., on rudimentary muscles in man, i. 19.
-
Richardson, Sir J., on the pairing of Tetrao umbellus, ii. 49;
-
on Tetrao urophasianus, ii. 58;
-
on the drumming of grouse, ii. 63;
-
on the dances of Tetrao phasianellus, ii. 69;
-
on assemblages of grouse, ii. 101;
-
on the battles of male deer, ii. 240;
-
on the reindeer, ii. 244;
-
on the horns of the musk-ox, ii. 247;
-
on antlers of the reindeer with numerous points, ii. 252;
-
on the moose, ii. 259.
-
Richardson, on the Scotch deerhound, ii. 261.
-
Richter, Jean Paul, on imagination, i. 45.
-
Riedel, on profligate female pigeons, ii. 119.
-
Ring-ouzel, colours and nidification of the, ii. 170.
-
Ripa, Father, on the difficulty of distinguishing the races of the Chinese, i. 215.
-
Rivalry, in singing, between male birds, ii. 53.
-
River-hog, African, tusks and knobs of the, ii. 266.
-
Rivers, analogy of, to islands, i. 204.
-
Roach, brightness of male during breeding-season, ii. 13.
-
Robbery, of strangers, considered honourable, i. 94.
-
Robertson, Mr., remarks on the development of the horns in the roebuck and red-deer, i. 288.
-
Robin, pugnacity of the male, ii. 40;
-
autumn song of the, ii. 54;
-
female, singing of the, ii. 54;
-
attacking other birds with red in their plumage, ii. 111;
-
young of the, ii. 208.
-
Robinet, on the difference of size of the male and female cocoons of the silk-moth, i. 346.
-
Rodents, uterus in the, i. 123;
-
absence of secondary sexual characters in, i. 268;
-
sexual differences in the colours of, ii. 286.
-
Roe, winter change of the, ii. 299.
-
Rolle, F., on the origin of man, i. 4;
-
on a change in German families settled in Georgia, i. 246.
-
Roller, ii. 56.
-
Romans, ancient, gladiatorial exhibitions of the, i. 101.
-
Rook, voice of the, ii. 61.
-
Rössler, Dr., on the resemblance of the lower surface of butterflies to the bark of trees, i. 392.
-
Rostrum, sexual difference in the length of, in some weevils, i. 255.
-
Rudimentary organs, i. 17;
-
Rudiments, presence of, in languages, i. 60.
-
Rudolph, on the want of connexion between climate and the colour of the skin, i. 241.
-
Ruff, supposed to be polygamous, i. 270;
-
proportion of the sexes in the, i. 306;
-
pugnacity of the, ii. 41, 48;
-
double moult in, ii. 81, 84;
-
duration of dances of, ii. 100;
-
attraction of the, to bright objects, ii. 111.
-
Ruminants, male, disappearance of canine teeth in, i. 144, ii. 325;
-
generally polygamous, i. 266;
-
analogy of Lamellicorn beetles to, i. 373;
-
suborbital pits of, ii. 280;
-
sexual differences of colour in, ii. 287.
-
Rupicola crocea, display of plumage by the male, ii. 87.
-
Rüppell, on canine teeth in deer and antelopes, ii. 258.
-
Russia, numerical proportion of male and female births in, i. 301.
-
Ruticilla, ii. 180.
-
Rütimeyer, Prof., on the physiognomy of the apes, i. 149;
-
on the sexual differences of monkeys, ii. 323.
-
Rutlandshire, numerical proportion of male and female births in, i. 301.
-
S.
-
Sachs, Prof., on the behaviour of the male and female elements in fertilisation, i. 274.
-
Sacrifices, Human, i. 182.
-
Sagittal crest in male apes and Australians, ii. 319.
-
Sahara, birds of the, ii. 172;
-
animal inhabitants of the, ii. 224.
-
Sailors, growth of, delayed by conditions of life, i. 114;
-
Sailors and soldiers, difference in the proportions of, i. 116.
-
St. John, Mr., on the attachment of mated birds, ii. 108.
-
St. Kilda, beards of the inhabitants of, ii. 321.
-
Salmo eriox, and S. umbla, colouring of the male, during the breeding season, ii. 14.
-
Salmo lycaodon, ii. 4.
-
Salmo salar, ii. 4.
-
Salmon, leaping out of fresh water, i. 83;
-
male, ready to breed before the female, i. 260;
-
proportion of the sexes in, i. 308;
-
male, pugnacity of the, ii. 3;
-
male, characters of, during the breeding season, ii. 3, 14;
-
spawning of the, ii. 19;
-
breeding of immature male, ii. 215.
-
Salvin, O., on the Humming-birds, i. 269, ii. 168;
-
on the numerical proportion of the sexes in Humming-birds, i. 307, ii. 221;
-
on Chamæpetes and Penelope, ii. 64;
-
on Selasphorus platycercus, ii. 65;
-
on Pipra deliciosa, ii. 66;
-
on Chasmorhynchus, ii. 79.
-
Samoa Islands, beardlessness of the natives of, ii. 322, 349.
-
Sand-skipper, i. 334.
-
Sandwich Islands, variation in the skulls of the natives of the, i. 108;
-
superiority of the nobles in the, ii. 356.
-
Sandwich Islanders, lice of, i. 219.
-
San-Giuliano, women of, ii. 357.
-
Santali, recent rapid increase of the, i. 133;
-
Mr. Hunter on the, i. 241.
-
Saphirina, characters of the males of, i. 335.
-
Sarkidiornis melanonotus, characters of the young, ii. 185.
-
Sars, O., on Pontoporeia offinis, i. 329.
-
Saturnia carpini, attraction of males by the female, i. 311.
-
Saturnia Io, difference of coloration in the sexes of, i. 398.
-
Saturniidæ, coloration of the, i. 396, 398.
-
Savage, Dr., on the fighting of the male gorillas, ii. 324;
-
on the habits of the gorilla, ii. 363.
-
Savage and Wyman, on the polygamous habits of the gorilla, i. 266.
-
Savages, imitative faculties of, i. 57, 161;
-
causes of low morality of, i. 97;
-
uniformity of, exaggerated, i. 111;
-
long-sighted, i. 118;
-
rate of increase among, usually small, i. 132;
-
retention of the prehensile power of the feet by, i. 142;
-
tribes of, supplanting one another, i. 160;
-
improvements in the arts among, i. 182;
-
arts of, i. 234;
-
fondness of, for rough music, ii. 67;
-
attention paid by, to personal appearance, ii. 338;
-
relation of the sexes among, ii. 363.
-
Saw-fly, pugnacity of a male, i. 364.
-
Saw-flies, proportions of the sexes in, i. 314.
-
Saxicola rubicola, young of, ii. 220.
-
Scalp, motion of the, i. 20.
-
Scent-glands in snakes, ii. 30.
-
Schaaffhausen, Prof., on the development of the posterior molars in different races of man, i. 26;
-
on the jaw from La Naulette, i. 126;
-
on the correlation between muscularity and prominent supra-orbital ridges, i. 130;
-
on the mastoid processes of man, i. 143;
-
on modifications of the cranial bones, i. 147;
-
on human sacrifices, i. 182;
-
on the probable speedy extermination of the anthropomorphous apes, i. 201;
-
on the ancient inhabitants of Europe, i. 237;
-
on the effects of use and disuse of parts, i. 247;
-
on the superciliary ridge in man, ii. 316;
-
on the absence of race-differences in the infant skull in man, ii. 318;
-
on ugliness, ii. 354.
-
Schaum, H., on the elytra of Dytiscus and Hydroporus, i. 343.
-
Schelver, on dragon-flies, i. 363.
-
Schiodte, on the stridulation of Heterocerus, i. 379.
-
Schlegel, F. von, on the complexity of the languages of uncivilised peoples, i. 61.
-
Schlegel, Prof., on Tanysiptera, ii. 190.
-
Schleicher, Prof., on the origin of language, i. 56.
-
Schleiden, Prof., on the rattle-snake, ii. 30.
-
Schomburgk, Sir R., on the pugnacity of the male musk-duck of Guiana, ii. 43;
-
on the courtship of Rupicola crocea, ii. 87.
-
Schoolcraft, Mr., on the difficulty of fashioning stone implements, i. 138.
-
Sclater, P. L., on modified secondary wing-feathers in the males of Pipra, ii. 65;
-
on elongated feathers in nightjars, ii. 73;
-
on the species of Chasmorhynchus, ii. 79;
-
on the plumage of Pelecanus onocrotalus, ii. 85;
-
on the plantain-eaters, ii. 177;
-
on the sexes and young of Tadorna variegata, ii. 206;
-
on the colours of Lemur macaco, ii. 290;
-
on the stripes in asses, ii. 305.
-
Scolecida, absence of secondary sexual characters in, i. 321.
-
Scolopax frenata, tail-feathers of, ii. 64.
-
Scolopax gallinago, drumming of, ii. 63.
-
Scolopax javensis, tail-feathers of, ii. 64.
-
Scolopax major, assemblies of, ii. 101.
-
Scolopax Wilsonii, sound produced by, ii. 64.
-
Scolytus, stridulation of, i. 379.
-
Scoter-duck, black, sexual difference in coloration of the, ii. 226;
-
bright beak of male, ii. 227.
-
Scott, J., on the colour of the beard in man, ii. 319.
-
Scrope, on the pugnacity of the male salmon, ii. 3;
-
on the battles of stags, ii. 240.
-
Scudder, S. H., imitation of the stridulation of the Orthoptera, i. 353;
-
on the stridulation of the ACRIDIIDÆ, i. 356;
-
on a Devonian insect, i. 360;
-
on stridulation, ii. 331.
-
Sculpture, expression of the ideal of beauty by, ii. 350.
-
Sea-anemonies, bright colours of, i. 322.
-
Sea-bear, polygamous, i. 268.
-
Sea-elephant, male, structure of the nose of the, ii. 278;
-
Sea-lion, polygamous, i. 268.
-
Seal, bladder-nose, ii. 278.
-
Seals, their sentinels generally females, i. 74;
-
evidence furnished by, on classification, i. 190;
-
sexual differences in the coloration of, ii. 287;
-
appreciation of music by, ii. 333;
-
battles of male, ii. 240;
-
canine teeth of male, ii. 241;
-
polygamous habits of, i. 268;
-
pairing of, ii. 269;
-
sexual peculiarities of, ii. 277.
-
Sea-scorpion, sexual differences in, ii. 9.
-
Season, changes of colour in birds, in accordance with the, ii. 80;
-
changes of plumage of birds in relation to, ii. 180.
-
Seasons, inheritance at corresponding, i. 282.
-
Sebituani, ii. 340.
-
Sebright Bantam, i. 294.
-
Secondary sexual characters, i. 253;
-
relations of polygamy to, i. 266;
-
gradation of, in birds, ii. 135;
-
transmitted through both sexes, i. 279.
-
Sedgwick, W., on hereditary tendency to produce twins, i. 133.
-
Seemann, Dr., on the different appreciation of music by different peoples, ii. 334;
-
on the effects of music, ii. 335.
-
Selasphorus platycercus, acuminate first primary of the male, ii. 65.
-
Selby, P. J., on the habits of the black and red grouse, i. 269.
-
Selection, double, i. 276.
-
Selection of male by female birds, ii. 99, 122.
-
Selection, methodical, of Prussian grenadiers, i. 112.
-
Selection, sexual, influence of, on the colouring of Lepidoptera, i. 403;
-
Selection, sexual and natural, contrasted, i. 278.
-
Self-command, habit of, inherited, i. 92;
-
Self-consciousness, i. 62.
-
Self-preservation, instinct of, i. 89.
-
Self-sacrifice, by savages, i. 88;
-
Semilunar fold, i. 23.
-
Semnopithecus, i. 197;
-
long hair on the heads of species of, i. 192; ii. 380.
-
Semnopithecus chrysomelas, sexual differences of colour in ii. 291.
-
Semnopithecus comatus, ornamental hair on the head of, ii. 307.
-
Semnopithecus frontatus, beard, &c., of, ii. 308.
-
Semnopithecus nasica, nose of, i. 192.
-
Semnopithecus nemæus, colouring of, ii. 310.
-
Semnopithecus rubicundus, ornamental hair on the head of, ii. 306.
-
Senses, inferiority of Europeans to savages in the, i. 118.
-
Sentinels, i. 74, 82.
-
Serpents, instinctively dreaded by apes and monkeys, i. 37, 42.
-
Serranus, hermaphroditism in, i. 208.
-
Sex, inheritance limited by, i. 282.
-
Sexes, relative proportions of, in man, i. 300, ii. 320;
-
probable relation of the, in primeval man, ii. 362.
-
Sexual characters, secondary, i. 253;
-
relations of polygamy to, i. 266;
-
transmitted through both sexes, i. 279; gradation of, in birds, ii. 135.
-
Sexual and natural selection, contrasted, i. 278.
-
Sexual characters, effects of the loss of, i. 284;
-
Sexual differences in man, i. 14.
-
Sexual selection, explanation of, i. 256, 260, 271;
-
influence of, on the colouring of Lepidoptera, i. 403;
-
action of, in mankind, ii. 368.
-
Sexual similarity, i. 277.
-
Sharks, prehensile organs of male, ii. 1.
-
Sharpe, R. B., on Tanysiptera sylvia, ii. 165;
-
on Ceryle, ii. 173;
-
on the young male of Dacelo Gaudichaudi, ii. 188.
-
Shaw, Mr., on the pugnacity of the male salmon, ii. 3.
-
Shaw, J., on the decorations of birds, ii. 71.
-
Sheep, danger-signals of, i. 74;
-
sexual differences in the horns of, i. 283;
-
horns of, i. 289, ii. 246, 259;
-
domestic, sexual differences of, late developed, i. 293;
-
numerical proportion of the sexes in, i. 304;
-
mode of fighting of, ii. 249;
-
arched foreheads of some, ii. 284.
-
Sheep, Merino, loss of horns in females of, i. 284;
-
Shells, difference in form of, in male and female Gasteropoda, i. 324;
-
beautiful colours and shapes of, i. 326.
-
Shield-drake, pairing with a common duck, ii. 114;
-
New Zealand, sexes and young of, ii. 206.
-
Shooter, J., on the Kafirs, ii. 347;
-
on the marriage-customs of the Kafirs, ii. 373.
-
Shrew-mice, odour of, ii. 279.
-
Shrike, Drongo, ii. 179.
-
Shrikes, characters of young, ii. 185.
-
Shuckard, W. E., on sexual differences in the wings of Hymenoptera, i. 345.
-
Shyness of adorned male birds, ii. 97.
-
Siagonium, proportions of the sexes in, i. 314;
-
dimorphism in males of, i. 374.
-
Siam, proportion of male and female births in, i. 303.
-
Siamese, general beardlessness of the, ii. 321;
-
notions of beauty of the, ii. 345;
-
hairy family of, ii. 378.
-
Siebold, C. T. von, on the auditory apparatus of the stridulant orthoptera, i. 353.
-
Sight, inheritance of long and short, i. 118.
-
Signal-cries of monkeys, i. 57.
-
Silk-moth, difference of size of the male and female cocoons of the, i. 346;
-
pairing of the, i. 401;
-
male, fertilising two or three females, i. 406;
-
proportion of the sexes in, i. 309, 311;
-
Ailanthus, Prof. Canestrini, on the destruction of its larvæ by wasps, i. 311.
-
Simiadæ, i. 195;
-
their origin and divisions, i. 213.
-
Similarity, sexual, i. 277.
-
Singing of the Cicadæ and Fulgoridæ, i. 351;
-
of tree-frogs, ii. 27;
-
of birds, object of the, ii. 52.
-
Sirenia, nakedness of, i. 148.
-
Sirex juvencus, i. 365.
-
Siricidæ, difference of the sexes in, i. 365.
-
Siskin, ii. 85;
-
pairing with a canary, ii. 115.
-
Sitana, throat-pouch of the males of, ii. 33, 36.
-
Size, relative, of the sexes of insects, i. 345.
-
Skin, movement of the, i. 19;
-
nakedness of, in man, i. 148;
-
colour of the, i. 241.
-
Skin and hair, correlation of colour of, i. 248.
-
Skull, variation of, in man, i. 108;
-
cubic contents of, no absolute test of intellect, i. 145;
-
Neanderthal, capacity of the, i. 146;
-
causes of modification of the, i. 147;
-
difference of, in form and capacity, in different races of men, i. 216;
-
variability of the shape of the, i. 226;
-
differences of, in the sexes in man, ii. 317;
-
artificial modifications of the shape of, ii. 340.
-
Skunk, odour emitted by the, ii. 279.
-
Slavery, prevalence of, i. 94;
-
Slaves, difference between those of field and house, i. 246.
-
Smell, sense of, in man and animals, i. 23.
-
Smith, Adam, on the basis of sympathy, i. 82.
-
Smith, Sir A., on the recognition of women by male Cynocephali, i. 13;
-
on an instance of memory in a baboon, i. 45;
-
on the retention of their colour by the Dutch in South Africa, i. 242;
-
on the polygamy of the South African antelopes, i. 267;
-
on the proportion of the sexes in Kobus ellipsiprymnus, i. 305;
-
on Bucephalus capensis, ii. 29;
-
on South African lizards, ii. 37;
-
on fighting gnus, ii. 240;
-
on the horns of rhinoceroses, ii. 248;
-
on the fighting of lions, ii. 266;
-
on the colours of the Cape Eland, ii. 288;
-
on the colours of the gnu, ii. 289;
-
on Hottentot notions of beauty, ii. 345.
-
Smith, F., on the Cynipidæ and Tenthredinidæ, i. 314;
-
on the relative size of the sexes of Aculeate Hymenoptera, i. 347;
-
on the difference between the sexes of ants and bees, i. 365;
-
on the stridulation of Trox sabulosus, i. 380;
-
on the stridulation of Mononychus pseudacori, i. 382.
-
Smynthurus luteus, courtship of, i. 348.
-
Snakes, sexual differences of, ii. 29;
-
male, ardency of, ii. 30.
-
“Snarling muscles,” i. 127.
-
Snipe, drumming of the, ii. 63;
-
coloration of the, ii. 226.
-
Snipe, painted, sexes and young of, ii. 202.
-
Snipe, solitary, assemblies of, ii. 101.
-
Snipes, arrival of male before the female, i. 260;
-
pugnacity of male, ii. 43;
-
double moult in, ii. 80.
-
Snow-goose, whiteness of the, ii. 228.
-
Social animals, affection of, for each other, i. 76;
-
defence of, by the males, i. 83.
-
Sociability, the sense of duty connected with, i. 71;
-
impulse to, in animals, i. 79, 80;
-
manifestations of, in man, i. 84;
-
instinct of, in animals, i. 86.
-
Sociality, probable, of primeval men, i. 155;
-
influence of, on the development of the intellectual faculties, i. 160;
-
origin of, in man, i. 161.
-
Soldiers, American, measurements of, i. 114.
-
Soldiers and sailors, difference in the proportions of, i. 116.
-
Solenostoma, bright colours and marsupial sack of the females of, ii. 22.
-
Song of male birds appreciated by their females, i. 63;
-
want of, in brilliant plumaged birds, ii. 94;
-
of birds, ii. 163.
-
Sorex, odour of, ii. 279.
-
Sounds admired alike by man and animals, i. 64;
-
produced by fishes, ii. 23;
-
produced by male frogs and toads, ii. 27;
-
instrumentally produced by birds, ii. 63 et seqq.
-
Spain, decadence of, i. 178.
-
Sparassus smaragdulus, difference of colour in the sexes of, i. 337, 338.
-
Sparrow, pugnacity of the male, ii. 40;
-
acquisition of the Linnet’s song by a, ii. 55;
-
coloration of the, ii. 198;
-
immature plumage of the, ii. 188.
-
Sparrow, white-crowned, young of the, ii. 217.
-
Sparrows, house- and tree-, ii. 170.
-
Sparrows, new mates found by, ii. 105.
-
Sparrows, sexes and young of, ii. 212;
-
learning to sing, ii. 334.
-
Spathura Underwoodi, ii. 77.
-
Spawning of fishes, ii. 15, 19.
-
Spear, origin of the, i. 234.
-
Species, causes of the advancement of, i. 172;
-
distinctive characters of, i. 214;
-
or races of man, i. 217;
-
sterility and fertility of, when crossed, i. 122;
-
supposed, of man, i. 226;
-
gradation of, i. 227;
-
difficulty of defining, i. 228;
-
representative, of birds, ii. 190, 191;
-
of birds, comparative differences between the sexes of distinct, ii. 192.
-
Spectre-insects, mimickry of leaves by, i. 414.
-
Spectrum femoratum, difference of colour in the sexes of, i. 361.
-
Speech, connection between the brain and the faculty of, i. 58.
-
“Spel” of the black-cock, ii. 60.
-
Spencer, Herbert, on the dawn of intelligence, i. 37;
-
on the origin of the belief in spiritual agencies, i. 66;
-
on the origin of the moral sense, i. 101;
-
on the influence of food on the size of the jaws, i. 118;
-
on the ratio between individuation and genesis, i. 318;
-
on music, ii. 336.
-
Sperm-whales, battles of male, ii. 240.
-
Sphingidæ, coloration of the, i. 396.
-
Sphinx, Humming-bird, i. 399.
-
Sphinx, Mr. Bates on the caterpillar of a, i. 416.
-
Spiders, i. 337;
-
male, more active than female, i. 272;
-
proportion of the sexes in, i. 314;
-
male, small size of, i. 338.
-
Spilosoma menthrasti, rejected by turkeys, i. 398.
-
Spine, alteration of, to suit the erect attitude of man, i. 143.
-
Spirits, fondness of monkeys for, i. 12.
-
Spiritual agencies, belief in, almost universal, i. 65.
-
Spoonbill, ii. 60;
-
Chinese, change of plumage in, ii. 179.
-
Spots, retained throughout groups of birds, i. 131;
-
disappearance of, in adult mammals, ii. 303.
-
Sprengel, C. K., on the sexuality of plants, i. 260.
-
Spring-boc, horns of the, ii. 251.
-
Sproat, Mr., on the extinction of savages in Vancouver Island, i. 239;
-
on the eradication of facial hair by the natives of Vancouver Island, ii. 348;
-
on the eradication of the beard by the Indians of Vancouver Island, ii. 380.
-
Spurs, occurrence of, in female fowls, i. 280, 284;
-
development of, in various species of Phasianidæ, i. 290;
-
of Gallinaceous birds, ii. 44, 46;
-
development of, in female Gallinaceæ, ii. 162.
-
Squilla, different colours of the sexes of a species of, i. 335.
-
Squirrels, battles of male, ii. 239;
-
African, sexual differences in the colouring of, ii. 286;
-
black, ii. 294.
-
Stag, long hairs of the throat of, ii. 268;
-
horns of the, i. 279, 282;
-
battles of, ii. 240;
-
horns of the, with numerous branches, ii. 252;
-
bellowing of the, ii. 274;
-
crest of the, ii. 282.
-
Stag-beetle, large size of male, i. 347;
-
weapons of the male, i. 375;
-
numerical proportion of sexes of, i. 313.
-
Stainton, H. T., on the numerical proportion of the sexes in the smaller moths, i. 310;
-
habits of Elachista rufocinerea, i. 311;
-
on the coloration of moths, i. 397;
-
on the rejection of Spilosoma menthrasti, by turkeys, i. 398;
-
on the sexes of Agrotis exclamationis, i. 399.
-
Stallion, mane of the, ii. 268.
-
Stallions, two, attacking a third, i. 75;
-
fighting, ii. 241;
-
small canine teeth of, ii. 258.
-
Stansbury, Capt., observations on pelicans, i. 77.
-
Staphylinidæ, hornlike processes in male, i. 374.
-
Starfishes, bright colours of some, i. 322.
-
Stark, Dr., on the death-rate in towns and rural districts, i. 175;
-
on the influence of marriage on mortality, i. 176;
-
on the higher mortality of males in Scotland, i. 302.
-
Starling, American field, pugnacity of male, ii. 51.
-
Starling, red-winged, selection of a mate by the female, ii. 116.
-
Starlings, three, frequenting the same nest, i. 269, ii. 106;
-
new mates found by, ii. 105.
-
Statues, Greek, Egyptian, Assyrian, &c., contrasted, ii. 350.
-
Stature, dependence of, upon local influences, i. 114.
-
Staudinger, Dr., his list of Lepidoptera, i. 312;
-
on breeding Lepidoptera, i. 311.
-
Staunton, Sir G., hatred of indecency a modern virtue, i. 96.
-
Stealing of bright objects by birds, ii. 112.
-
Stebbing, T. R., on the nakedness of the human body, ii. 375.
-
Stemmatopus, ii. 278.
-
Stenobothrus pratorum, stridulating organs of, i. 357.
-
Sterility, general, of sole daughters, i. 170;
-
when crossed, a distinctive character of species, i. 214.
-
Sterna, seasonal change of plumage in, ii. 228.
-
Stickle-back, polygamous, i. 271;
-
male, courtship of the, ii. 2;
-
male, brilliant colouring of, during the breeding season, ii. 14;
-
nidification of the, ii. 20.
-
Sticks used as implements and weapons by monkeys, i. 51.
-
Sting in bees, i. 254.
-
Stokes, Capt., on the habits of the great Bower-bird, ii. 70.
-
Stonechat, young of the, ii. 220.
-
Stone implements, difficulty of making, i. 138;
-
as traces of extinct tribes, i. 237.
-
Stones, used by monkeys for breaking hard fruits and as missiles, i. 140;
-
Stork, black, sexual differences in the bronchi of the, ii. 60;
-
red beak of the, ii. 227.
-
Storks, ii. 226, 230;
-
sexual difference in the colour of the eyes of, ii. 128.
-
Strange, Mr., on the Satin Bower-bird, ii. 69.
-
Stretch, Mr., on the numerical proportion in the sexes of chickens, i. 306.
-
Strepsiceros kudu, horns of, ii. 255;
-
Stridulation, by males of Theridion, i. 339;
-
of the Orthoptera and Homoptera discussed, i. 360;
-
of beetles, i. 378.
-
Stripes, retained throughout groups of birds, ii. 131;
-
disappearance of, in adult mammals, ii. 303.
-
Strix flammea, ii. 105.
-
Structure, existence of unserviceable modifications of, i. 153.
-
Struggle for existence, in man, i. 180, 185.
-
Struthers, Dr., on the occurrence of the supra-condyloid foramen in the humerus of man, i. 28.
-
Sturnella ludoviciana, pugnacity of the male, ii. 51.
-
Sturnus vulgaris, ii. 105.
-
Sub-species, i. 227.
-
Suffering, in strangers, indifference of savages to, i. 94.
-
Suicide, i. 172;
-
formerly not regarded as a crime, i. 94;
-
rarely practised among the lowest savages, i. 94.
-
Suidæ, stripes of young, ii. 184.
-
Sumatra, compression of the nose by the Malays of, ii. 352.
-
Sumner, Archb., man alone capable of progressive improvement, i. 49.
-
Sun-birds, nidification of, ii. 169.
-
Superstitions, i. 182;
-
Superstitious customs, i. 68.
-
Superciliary ridge in man, ii. 316, 318.
-
Supernumerary digits, more frequent in men than in women, i. 276;
-
inheritance of, i. 285;
-
early development of, i. 292.
-
Supra-condyloid foramen in the early progenitors of man, i. 206.
-
Suspicion, prevalence of, among animals, i. 39.
-
Sulivan, Sir B. J., on two stallions attacking a third, ii. 241.
-
Swallow-tail Butterfly, i. 393.
-
Swallows deserting their young, i. 84, 90.
-
Swan, black, red beak of the, ii. 227;
-
black-necked, ii. 230;
-
white, young of, ii. 211;
-
wild, trachea of the, ii. 59.
-
Swans, ii. 226, 230;
-
Swaysland, Mr., on the arrival of migratory birds, i. 259.
-
Swinhoe, R., on the common rat in Formosa and China, i. 50;
-
on the sounds produced by the male Hoopoe, ii. 62;
-
on Dicrurus macrocercus and the Spoonbill, ii. 179;
-
on the young of Ardeola, ii. 190;
-
on the habits of Turnix, ii. 202;
-
on the habits of Rhynchæa bengalensis, ii. 203;
-
on Orioles breeding in immature plumage, ii. 214, 215.
-
Sylvia atricapilla, young of, ii. 219.
-
Sylvia cinerea, aerial love-dance of the male, ii. 68.
-
Sympathy, i. 168;
-
among animals, i. 77;
-
its supposed basis, i. 82.
-
Sympathies, gradual widening of, i. 100.
-
Syngnathous fishes, abdominal pouch in male, i. 210.
-
Sypheotides auritus, acuminated primaries of the male, ii. 64;
-
T.
-
Tabanidæ, habits of, i. 254.
-
Tadorna variegata, sexes and young of, ii. 206.
-
Tadorna vulpanser, ii. 114.
-
Tahitians, i. 183;
-
compression of the nose by the, ii. 352.
-
Tail, rudimentary, occurrence of, in man, i. 29;
-
convoluted body in the extremity of the, i. 30;
-
absence of, in man and the higher apes, i. 150, 194;
-
variability of, in species of Macacus and in baboons, i. 150;
-
presence of, in the early progenitors of man, i. 206;
-
length of, in pheasants, ii. 156, 164, 166;
-
difference of length of the, in the two sexes of birds, ii. 164.
-
Tait, Lawson, on the effects of natural selection on civilised nations, i. 168.
-
Tanager, scarlet, variation in the male, ii. 126.
-
Tanagra æstiva, ii. 180;
-
age of mature plumage in, ii. 213.
-
Tanagra rubra, ii. 126;
-
Tanais, absence of mouth in the males of some species of, i. 255;
-
relations of the sexes in, i. 315;
-
dimorphic males of a species of, i. 328.
-
Tankerville, Earl, on the battles of wild bulls, ii. 240.
-
Tanysiptera, races of, determined from adult males, ii. 190.
-
Tanysiptera sylvia, long tail-feathers of, ii. 165.
-
Taphroderes distortus, enlarged left mandible of the male, i. 344.
-
Tapirs, longitudinal stripes of young, ii. 184, 303.
-
Tarsi, dilatation of front, in male beetles, i. 343.
-
Tarsius, i. 200.
-
Tasmania, half-castes killed by the natives of, i. 220.
-
Tattooing, i. 232;
-
universality of, ii. 339.
-
Taste, in the Quadrumana, ii. 296.
-
Taylor, G. on Quiscalus major, i. 307.
-
Tea, fondness of monkeys for, i. 12.
-
Tear-sacks, of Ruminants, ii. 280.
-
Teebay, Mr., on changes of plumage in spangled Hamburgh fowls, i. 281.
-
Teeth, rudimentary incisor, in Ruminants, i. 17;
-
posterior molar, in man, i. 25;
-
wisdom, i. 26;
-
diversity of, i. 108;
-
canine, in the early progenitors of man, i. 206;
-
canine, of male mammals, ii. 241;
-
in man, reduced by correlation, ii. 325;
-
staining of the, ii. 339;
-
front, knocked out or filed by some savages, ii. 340.
-
Tegetmeier, Mr., on the abundance of male pigeons, i. 306;
-
on the wattles of game-cocks, ii. 98;
-
on the courtship of fowls, ii. 117;
-
on dyed pigeons, ii. 118.
-
Tembeta, ii. 341.
-
Temper, in dogs and horses, inherited, i. 40.
-
Tench, proportions of the sexes in the, i. 308, 309;
-
brightness of male, during breeding season, ii. 13.
-
Tenebrionidæ, stridulation of, i. 379.
-
Tennent, Sir J. E., on the tusks of the Ceylon Elephant, ii. 248, 258;
-
on the frequent absence of beard in the natives of Ceylon, ii. 321;
-
on the Chinese opinion of the aspect of the Cingalese, ii. 345.
-
Tennyson, A., on the control of thought, i. 101.
-
Tenthredinidæ, proportions of the sexes in, i. 314;
-
fighting habits of male, i. 364;
-
difference of the sexes in, i. 365.
-
Tephrodornis, young of, ii. 190.
-
Terai, i. 237.
-
Termites, habits of, i. 364.
-
Terns, white, ii. 228;
-
Terns, seasonal change of plumage in, ii. 228.
-
Terror, common action of, upon the lower animals and man, i. 39.
-
Testudo nigra, ii. 28.
-
Tetrao cupido, battles of, ii. 50;
-
sexual difference in the vocal organs of, ii. 56.
-
Tetrao phasianellus, dances of, ii. 68;
-
duration of dances of, ii. 100.
-
Tetrao scoticus, ii. 170, 185, 194.
-
Tetrao tetrix, ii. 170, 185, 194;
-
pugnacity of the male. ii. 45.
-
Tetrao umbellus, pairing of, ii. 49;
-
battles of, ii. 50;
-
drumming of the male, ii. 61.
-
Tetrao urogalloides, dances of, ii. 100.
-
Tetrao urogallus, pugnacity of the male, ii. 45.
-
Tetrao urophasianus, inflation of the œsophagus in the male, ii. 57.
-
Thamnobia, young of, ii. 190.
-
Thaumalea picta, display of plumage by the male, ii. 89.
-
Thecla, sexual differences of colouring in species of, i. 389.
-
Thecla rubi, protective colouring of, i. 392.
-
Theridion, i. 337;
-
stridulation of males of, i. 339.
-
Theridion lineatum, variability of, i. 338.
-
Thomisus citreus, and T. floricolens, difference of colour in the sexes of, i. 337.
-
Thompson, J. H., on the battles of sperm-whales, ii. 240.
-
Thompson, W., on the colouring of the male char during the breeding season, ii. 14;
-
on the finding of new mates by magpies, ii. 103;
-
on the finding of new mates by Peregrine falcons, ii. 104.
-
Thorax, processes of, in male beetles, i. 370.
-
Thorell, T., on the proportion of the sexes in spiders, i. 315.
-
Thornback, difference in the teeth of the two sexes of the, ii. 6.
-
Thoughts, control of, i. 101.
-
Thrush, pairing with a blackbird, ii. 113;
-
colours and nidification of the, ii. 170.
-
Thrushes, characters of young, ii. 185, 269.
-
Thug, his regrets, i. 94.
-
Thumb, absence of, in Ateles and Hylobates, i. 140.
-
Thury, M., on the numerical proportion of male and female births among the Jews, i. 301.
-
Thylacinus, possession of the marsupial sack by the male, i. 208.
-
Thysanura, i. 348.
-
Tibia, dilated, of the male Crabro cribrarius, i. 343.
-
Tibia and femur, proportions of, in the Aymara Indians, i. 119.
-
Tierra del Fuego, marriage-customs of, ii. 373.
-
Tiger, colours and markings of the, ii. 302.
-
Tigers, depopulation of districts by, in India, i. 134.
-
Tillus elongatus, difference of colour in the sexes of, i. 368.
-
Timidity, variability of, in the same species, i. 40.
-
Tineina, proportion of the sexes in, i. 310.
-
Tipula, pugnacity of male, i. 349.
-
Tits, sexual difference of colour in, ii. 174.
-
Toads, ii. 25;
-
male, treatment of ova by some, i. 210;
-
male, ready to breed before the female, i. 260.
-
Toe, great, condition of, in the human embryo, i. 17.
-
Tomtit, blue, sexual difference of colour in the, ii. 174.
-
Tonga Islands, beardlessness of the natives of, ii. 322, 349.
-
Tooke, Horne, on language, i. 55.
-
Tools, flint, i. 183;
-
used by monkeys, i. 51;
-
use of, i. 137.
-
Top-knots in birds, ii. 74.
-
Tomicus villosus, proportion of the sexes in, i. 314.
-
Tortoise, voice of the male, ii. 331.
-
Tortures, submitted to by American savages, i. 95.
-
Totanus, double moult in, ii. 81.
-
Toucans, colours and nidification of the, ii. 171;
-
beaks and ceres of the, ii. 227.
-
Towns, residence in, a cause of diminished stature, i. 115.
-
Toynbee, J., on the external shell of the ear in man, i. 21.
-
Trachea, convoluted and imbedded in the sternum, in some birds, ii. 59;
-
structure of the, in Rhynchæa, ii. 203.
-
Trades, affecting the form of the skull, i. 147.
-
Tragelaphus, sexual differences of colour in, ii. 288.
-
Tragelaphus scriptus, dorsal crest of, ii. 282;
-
Tragopan, i. 270;
-
swelling of the wattles of the male, during courtship, ii. 72;
-
display of plumage by the male, ii. 91;
-
markings of the sexes of the, ii. 134.
-
Tragops dispar, sexual difference in the colour of, ii. 30.
-
Training, effect of, on the mental difference between the sexes of man, ii. 329.
-
Transfer of male characters to female birds, ii. 193.
-
Transmission, equal, of ornamental characters, to both sexes in mammals, ii. 297.
-
Traps, avoidance of, by animals, i. 49;
-
Treachery, to comrades, avoidance of, by savages, i. 88.
-
Tremex columbæ, i. 365.
-
Tribes, extinct, i. 160;
-
Trichius, difference of colour in the sexes of a species of, i. 368.
-
Trimen, R., on the proportion of the sexes in South African butterflies, i. 310;
-
on the attraction of males by the female of Lasiocampa quercus, i. 312;
-
on Pneumora, i. 358;
-
on difference of colour in the sexes of beetles, i. 367;
-
on moths brilliantly coloured beneath, i. 397;
-
on mimickry in butterflies, i. 412;
-
on Gynanisa Isis, and on the ocellated spots of Lepidoptera, ii. 132;
-
on Cyllo Leda, ii. 133.
-
Tringa, sexes and young of, ii. 216.
-
Tringa canutus, ii. 82.
-
Triphæna, coloration of the species of, i. 395.
-
Tristram, H. B., on unhealthy districts in North Africa, i. 244;
-
on the habits of the chaffinch in Palestine, i. 307;
-
on the birds of the Sahara, ii. 172;
-
on the animals inhabiting the Sahara, ii. 224.
-
Triton cristatus, ii. 24.
-
Triton palmipes, ii. 24.
-
Triton punctatus, ii. 24, 25.
-
Troglodytes vulgaris, ii. 198.
-
Trogons, colours and nidification of the, ii. 171, 173.
-
Tropic-birds, white only when mature, ii. 228.
-
Tropics, freshwater fishes of the, ii. 17.
-
Trout, proportion of the sexes in, i. 308;
-
male, pugnacity of the, ii. 3.
-
Trox sabulosus, stridulation of, i. 380.
-
Truth, not rare between members of the same tribe, i. 95;
-
more highly appreciated by certain tribes, i. 100.
-
Tulloch, Major, on the immunity of the negro from certain fevers, i. 243.
-
Tumbler, almond, change of plumage in the, i. 294.
-
Turdus merula, ii. 170;
-
Turdus migratorius, ii. 185.
-
Turdus musicus, ii. 170.
-
Turdus polyglottus, young of, ii. 219.
-
Turdus torquatus, ii. 170.
-
Turkey, swelling of the wattles of the male, ii. 72;
-
variety of, with a top-knot, ii. 74;
-
recognition of a dog by a, ii. 110;
-
wild, pugnacity of young male, ii. 48;
-
wild, notes of the, ii. 60;
-
male, wild, acceptable to domesticated females, ii. 119;
-
wild, first advances made by older females, ii. 121;
-
wild, breast-tuft of bristles of the, ii. 179.
-
Turkey-cock, scraping of the wings of, upon the ground, ii. 61;
-
wild, display of plumage by, ii. 87;
-
fighting habits of, ii. 98.
-
Turner, Prof. W., on muscular fasciculi in man referable to the panniculus carnosus, i. 19;
-
on the occurrence of the supra-condyloid foramen in the human humerus, i. 28;
-
on muscles attached to the coccyx in man, i. 29;
-
on the filum terminale in man, i. 30;
-
on the variability of the muscles, i. 109;
-
on abnormal conditions of the human uterus, i. 123;
-
on the development of the mammary glands, i. 209;
-
on male fishes hatching ova in their mouths, i. 210.
-
Turnix, sexes of some species of, ii. 201, 207.
-
Turtle-dove, cooing of the, ii. 60.
-
Tuttle, H., on the number of species of man, i. 226.
-
Tylor, E. B., on emotional cries, gestures, &c., of man, i. 54;
-
on the origin of the belief in spiritual agencies, i. 66;
-
on the primitive barbarism of civilised nations, i. 181;
-
on the origin of counting, i. 181;
-
on resemblances of the mental characters in different races of man, i. 232.
-
Type of structure, prevalence of, i. 211.
-
Typhœus, stridulating organs of, i. 378;
-
Twins, tendency to produce, hereditary, i. 133.
-
Twite, proportion of the sexes in the, i. 307.
-
U.
-
Ugliness, said to consist in an approach to the lower animals, ii. 354.
-
Umbrella-bird, ii. 58, 59.
-
Umbrina, sounds produced by, ii. 23.
-
United States, rate of increase in, i. 131;
-
influence of natural selection on the progress of, i. 179;
-
change undergone by Europeans in the, i. 246.
-
Upupa epops, sounds produced by the male, ii. 62.
-
Uraniidæ, coloration of the, i. 396.
-
Uria troile, variety of, (= U. lacrymans), ii. 127.
-
Urodela, ii. 24.
-
Urosticte Benjamini, sexual differences in, ii. 151.
-
Use and disuse of parts, effects of, i. 116;
-
influence of, on the races of man, i. 247.
-
Uterus, reversion in the, i. 123;
-
more or less divided, in the human subject, i. 123, 130;
-
double, in the early progenitors of man, i. 206.
-
V.
-
Vaccination, influence of, i. 168.
-
Vancouver Island, Mr. Sproat on the savages of, i. 239;
-
natives of, eradication of facial hair by the, ii. 348.
-
Vanellus cristatus, wing tubercles of the male, ii. 48.
-
Vanessæ, i. 387;
-
resemblance of lower surface of, to bark of trees, i. 392.
-
Variability, causes of, i. 111;
-
in man, analogous to that in the lower animals, i. 112;
-
of the races of man, i. 225;
-
greater in men than in women, i. 275;
-
period of, relation of the, to sexual selection, i. 296;
-
of birds, ii. 124;
-
of secondary sexual characters in man, ii. 320.
-
Variation, correlated, i. 30;
-
laws of, i. 113;
-
in man, i. 185;
-
analogous, i. 194;
-
analogous, in plumage of birds, ii. 74.
-
Variations, spontaneous, i. 131.
-
Varieties, absence of, between two species, evidence of their distinctness, i. 215.
-
Variety, an object in nature, ii. 230.
-
Variola, communicable between man and the lower animals, i. 11.
-
Vauréal, i. 29.
-
Veddahs, monogamous habits of, ii. 363.
-
Veitch, Mr., on the aversion of Japanese ladies to whiskers, ii. 349.
-
Vengeance, instinct of, i. 89.
-
Venus Erycina, priestesses of, ii. 357.
-
Vermes, i. 327.
-
Vermiform appendage, i. 27.
-
Verreaux, M., on the attraction of numerous males by the female of an Australian Bombyx, i. 312.
-
Vertebræ, caudal, number of, in macaques and baboons, i. 150;
-
of monkeys, partly imbedded in the body, i. 151.
-
Vertebrata, ii. 1;
-
common origin of the, i. 203;
-
most ancient progenitors of, i. 212;
-
origin of the voice in air-breathing, ii. 331.
-
Vesicula prostatica, the homologue of the uterus, i. 31, 208.
-
Vibrissæ, represented by long hairs in the eyebrows, i. 25.
-
Vidua, ii. 181.
-
Vidua axillaris, i. 269.
-
Villerme, M., on the influence of plenty upon stature, i. 115.
-
Vinson, Aug., on the male of Epeira nigra, i. 338.
-
Viper, difference of the sexes in the, ii. 29.
-
Virey, on the number of species of man, i. 226.
-
Virtues, originally social only, i. 93;
-
gradual appreciation of, i. 165.
-
Viscera, variability of, in man, i. 109.
-
Viti Archipelago, population of the, i. 225.
-
Vlacovich, Prof., on the ischio-pubic muscle, i. 127.
-
Vocal music of birds, ii. 51.
-
Vocal organs of man, i. 58;
-
of birds, i. 59; ii. 163;
-
of frogs, ii. 28;
-
of the Insessores, ii. 55;
-
difference of, in the sexes of birds, ii. 56;
-
primarily used in relation to the propagation of the species, ii. 330.
-
Vogt, Carl, on the origin of species, i. 1;
-
on the origin of man, i. 4;
-
on the semilunar fold in man, i. 23;
-
on the imitative faculties of microcephalous idiots, i. 57;
-
on microcephalous idiots, i. 121;
-
on skulls from Brazilian caves, i. 218;
-
on the evolution of the races of man, i. 230;
-
on the formation of the skull in women, ii. 317;
-
on the Ainos and negroes, ii. 321;
-
on the increased cranial difference of the sexes in man with race-development, ii. 329;
-
on the obliquity of the eye in the Chinese and Japanese, ii. 344.
-
Voice in mammals, ii. 274;
-
in monkeys and man, ii. 319;
-
in man, ii. 330;
-
origin of, in air-breathing vertebrates, ii. 331.
-
Von Baer, definition of advancement in the organic scale, i. 211.
-
Vulpian, Prof., on the resemblance between the brains of man and of the higher apes, i. 11.
-
Vultures, selection of a mate by the female, ii. 116;
-
colours of, ii. 229.
-
W.
-
Waders, young of, ii. 217.
-
Wagner, R., on the occurrence of the diastema in a Kafir skull, i. 126;
-
on the bronchi of the black stork, ii. 60.
-
Wagtail, Ray’s, arrival of the male before the female, i. 260.
-
Wagtails, Indian, young of, ii. 190.
-
Waist, proportions of, in soldiers and sailors, i. 117.
-
Waitz, Prof., on the number of species of man, i. 226;
-
on the colour of Australian infants, ii. 318;
-
on the beardlessness of negroes, ii. 321;
-
on the fondness of mankind for ornaments, ii. 338;
-
on the liability of negroes to tropical fevers after residence in a cold climate, i. 243;
-
on negro ideas of female beauty, ii. 346;
-
on Javanese and Cochin Chinese ideas of beauty, ii. 347.
-
Walckenaer and Gervais, on the Myriapoda, i. 340.
-
Waldeyer, M., on the hermaphroditism of the vertebrate embryo, i. 207.
-
Wales, North, numerical proportion of male and female births in, i. 301.
-
Walker, Alex., on the large size of the hands of labourers’ children, i. 117.
-
Walker, F., on sexual differences in the diptera, i. 348.
-
Wallace, Dr. A., on the prehensile
-
-
use of the tarsi in male moths, i. 256;
-
on the rearing of the Ailanthus silk-moth, i. 311;
-
on breeding Lepidoptera, i. 311;
-
proportion of sexes of Bombyx cynthia, B. yamamai, and B. Pernyi, reared by, i. 313;
-
on the development of Bombyx cynthia and B. yamamai, i. 346;
-
on the pairing of Bombyx cynthia, i. 401;
-
on the fertilisation of moths, i. 406.
-
Wallace, A. R., on the origin of man, i. 4;
-
on the power of imitation in man, i. 39;
-
on the use of missiles by the orang, i. 52;
-
on the varying appreciation of truth among different tribes, i. 100;
-
on the limits of natural selection in man, i. 137, 158;
-
on the occurrence of remorse among savages, i. 165;
-
on the effects of natural selection on civilised nations, i. 168;
-
on the use of the convergence of the hair at the elbow in the orang, i. 193;
-
on the contrast in the characters of the Malays and Papuans, i. 216;
-
on the line of separation between the Papuans and Malays, i. 218;
-
on the sexes of Ornithoptera Crœsus, i. 310;
-
on protective resemblances, i. 322;
-
on the relative sizes of the sexes of insects, i. 346;
-
on Elaphomyia, i. 349;
-
on the Birds of Paradise, i. 269;
-
on the pugnacity of the males of Leptorhynchus angustatus, i. 375;
-
on sounds produced by Euchirus longimanus, i. 381;
-
on the colours of Diadema, i. 388;
-
on Kallima, i. 392;
-
on the protective colouring of moths, i. 394;
-
on bright coloration as protective in butterflies, i. 395;
-
on variability in the Papilionidæ, i. 402;
-
on male and female butterflies inhabiting different stations, i. 403;
-
on the protective nature of the dull colouring of female butterflies, i. 403, 405, 414;
-
on mimickry in butterflies, i. 412;
-
on the mimickry of leaves by Phasmidæ, i. 414;
-
on the bright colours of caterpillars, i. 416;
-
on brightly-coloured fishes frequenting reefs, ii. 17;
-
on the coral snakes, ii. 31;
-
on Paradisea apoda, ii. 74, 78;
-
on the display of plumage by male Birds of Paradise, ii. 88;
-
on assemblies of Birds of Paradise, ii. 101;
-
on the instability of the ocellated spots in Hipparchia Janira, ii. 132;
-
on sexually limited inheritance, ii. 155;
-
on the sexual coloration of birds, ii. 166, 196, 197, 200, 206;
-
on the relation between the colours and nidification of birds, ii. 166, 171;
-
on the coloration of the Cotingidæ, ii. 177;
-
on the females of Paradisea apoda and papuana, ii. 193;
-
on the incubation of the cassowary, ii. 204;
-
on protective coloration in birds, ii. 223;
-
on the hair of the Papuans, ii. 340;
-
on the Babirusa, ii. 264;
-
on the markings of the tiger, ii. 302;
-
on the beards of the Papuans, ii. 322;
-
on the distribution of hair on the human body, ii. 375.
-
Walrus, development of the nictitating membrane in the, i. 23;
-
tusks of the, ii. 241, 248;
-
use of the tusks by the, ii. 257.
-
Walsh, B. D., on the proportion of the sexes in Papilio Turnus, i. 310;
-
on the Cynipidæ and Cecidomyidæ, i. 314;
-
on the jaws of Ammophila, i. 342;
-
on Corydalis cornutus, i. 342;
-
on the prehensile organs of male insects, i. 342;
-
on the antennæ of Penthe, i. 343;
-
on the caudal appendages of dragon-flies, i. 344;
-
on Platyphyllum concavum, i. 356;
-
on the sexes of the Ephemeridæ, i. 361;
-
on the difference of colour in the sexes of Spectrum femoratum, i. 361;
-
on sexes of dragon-flies, i. 361;
-
on the difference of the sexes in the Ichneumonidæ, i. 365;
-
on the sexes of Orsodacna atra, i. 368;
-
on the variation of the horns of the male Phanæus carnifex, i. 370;
-
on the coloration of the species of Anthocharis, i. 393.
-
Wapiti, battles of, ii. 240;
-
traces of horns in the female, ii. 245;
-
attacking a man, ii. 253;
-
crest of the male, ii. 282;
-
sexual difference in the colour of the, ii. 289.
-
Warbler, Hedge-, ii. 198;
-
young of the, ii. 209.
-
Warblers, Superb, nidification of, ii. 169.
-
Wariness, acquired by animals, i. 50.
-
Warington, R., on the habits of the sticklebacks, ii. 2, 20;
-
on the brilliant colours of the male stickleback during the breeding season, ii. 14.
-
Wart-hog, tusks and pads of the, ii. 265.
-
Watchmakers, short-sighted, i. 118.
-
Water-hen, ii. 40.
-
Waterhouse, C. O., on blind beetles, i. 367;
-
on difference of colour in the sexes of beetles, i. 367.
-
Waterhouse, G. R., on the voice of Hylobates agilis, ii. 332.
-
Water-ouzel, autumn song of the, ii. 54.
-
Waterton, C., on the pairing of a Canada goose with a Bernicle gander, ii. 114;
-
on hares fighting, ii. 239;
-
on the Bell-bird, ii. 79.
-
Wattles, disadvantageous to male birds in fighting, ii. 98.
-
Wealth, influence of, i. 169.
-
Weale, J. Mansel, on a South African caterpillar, i. 416.
-
Weapons, employed by monkeys, i. 51;
-
use of, i. 137;
-
offensive, of males, i. 257;
-
of mammals, ii. 241 et seq.
-
Weaver-bird, ii. 54.
-
Weaver-birds, rattling of the wings of, ii. 62;
-
Webb, Dr., on the wisdom teeth, i. 25.
-
Wedgwood, Hensleigh, on the origin of language, i. 56.
-
Weevils, sexual difference in length of snout in some, i. 255.
-
Weir, Harrison, on the numerical proportion of the sexes in pigs and rabbits, i. 305;
-
on the sexes of young pigeons, i. 306;
-
on the songs of birds, ii. 52;
-
on pigeons, ii. 109;
-
on the dislike of blue pigeons to other coloured varieties, ii. 118;
-
on the desertion of their mates by female pigeons, ii. 119.
-
Weir, J. Jenner, on the nightingale and blackcap, i. 259;
-
on the relative sexual maturity of male birds, i. 261;
-
on female pigeons deserting a feeble mate, i. 262;
-
on three starlings frequenting the same nest, i. 269;
-
on the proportion of the sexes in Machetes pugnax and other birds, i. 306, 307;
-
on the coloration of the Triphænæ, i. 395;
-
on the rejection of certain caterpillars by birds, i. 417;
-
on sexual differences of the beak in the goldfinch, ii. 40;
-
on a piping bullfinch, ii. 52;
-
on the object of the nightingale’s song, ii. 52;
-
on song-birds, ii. 53;
-
on the pugnacity of male fine-plumaged birds, ii. 93;
-
on the courtship of birds, ii. 94;
-
on the finding of new mates by Peregrine-falcons and Kestrels, ii. 104;
-
on the bullfinch and starling, ii. 105;
-
on the cause of birds remaining unpaired, ii. 107;
-
on starlings and parrots living in triplets, ii. 107;
-
on recognition of colour by birds, ii. 110;
-
on hybrid birds, ii. 113;
-
on the selection of a greenfinch by a female canary, ii. 115;
-
on a case of rivalry of female bullfinches, ii. 121;
-
on the maturity of the Golden pheasant, ii. 213.
-
Weisbach, Dr., measurement of men of different races, i. 216;
-
on the greater variability of men than of women, i. 275;
-
on the relative proportions of the body in the sexes of different races of man, ii. 320.
-
Welcker, M., on Brachycephaly and Dolichocephaly, i. 148;
-
on sexual differences in the skull in man, ii. 317.
-
Wells, Dr., on the immunity of coloured races from certain poisons, i. 243.
-
Westring, on the stridulation of Reduvius personatus, i. 350;
-
on the stridulating organs of the Coleoptera, i. 382;
-
on sounds produced by Cychrus, i. 382;
-
on the stridulation of males of Theridion, i. 339;
-
on the stridulation of beetles, i. 379;
-
on the stridulation of Omaloplia brunnea, i. 381.
-
Westphalia, greater proportion of female illegitimate children in, i. 301.
-
Westropp, H. M., on the prevalence of certain forms of ornamentation, i. 233.
-
Westwood, J. O., on the classification of the Hymenoptera, i. 188;
-
on the Culicidæ and Tabanidæ, i. 254;
-
on a Hymenopterous parasite with a sedentary male, i. 272;
-
on the proportions of the sexes in Lucanus cervus and Siagonium, i. 313;
-
on the absence of ocelli in female mutillidæ, i. 341;
-
on the jaws of Ammophila, i. 342;
-
on the copulation of insects of distinct species, i. 342;
-
on the male of Crabro cribrarius, i. 343;
-
on the pugnacity of male Tipulæ i. 349;
-
on the stridulation of Pirates stridulus, i. 350;
-
on the Cicadæ, i. 351;
-
on the stridulating organs of the crickets, i. 354;
-
on Pneumora, i. 357;
-
on Ephippiger vitium, i. 355, 358;
-
on the pugnacity of the Mantides, i. 360;
-
on Platyblemnus, i. 361;
-
on difference in the sexes of the Agrionidæ, i. 362;
-
on the pugnacity of the males of a species of Tenthredinæ, i. 364;
-
on the pugnacity of the male stag-beetle, i. 375;
-
on Bledius taurus and Siagonium, i. 375;
-
on lamellicorn beetles, i. 378;
-
on the coloration of Lithosia, i. 396.
-
Whale, Sperm-, battles of male, ii. 240.
-
Whales, nakedness of, i. 148.
-
Whately, Archb., language not peculiar to man, i. 53;
-
on the primitive civilisation of man, i. 181.
-
Whewell, Prof., on maternal affection, i. 40.
-
Whiskers, in monkeys, i. 192.
-
White, Gilbert, on the proportion of the sexes in the partridge, i. 306;
-
on the house-cricket, i. 352;
-
on the object of the song of birds, ii. 52;
-
on the finding of new mates by white owls, ii. 105;
-
on spring coveys of male partridges, ii. 107.
-
Whiteness, a sexual ornament in some birds, ii. 232;
-
of mammals inhabiting snowy countries, ii. 298.
-
White-throat, aerial love-dance of the male, ii. 68.
-
Widow-bird, polygamous, i. 269;
-
breeding plumage of the male, ii. 84, 97;
-
female, rejecting the unadorned male, ii. 120.
-
Widows and widowers, mortality of, i. 176.
-
Wigeon, pairing with a pintail duck, ii. 114.
-
Wilckens, Dr., on the modification of domestic animals in mountainous regions, i. 120;
-
on a numerical relation between the hairs and excretory pores in sheep, i. 248.
-
Wilder, Dr. Burt, on the greater frequency of supernumerary digits in men than in women, i. 276.
-
Williams, on the marriage-customs of the Fijians, ii. 374.
-
Wilson, Dr., on the conical heads of the natives of North-Western America, ii. 351;
-
on the Fijians, ii. 352;
-
on the persistence of the fashion of compressing the skull, ii. 353.
-
Wing-spurs, ii. 162.
-
Wings, differences of, in the two sexes of butterflies and Hymenoptera, i. 345;
-
play of, in the courtship of birds, ii. 95.
-
Winter, change of colour of mammals in, ii. 298.
-
Witchcraft, i. 68.
-
Wives, traces of the forcible capture of, i. 182.
-
Wolf, winter change of the, ii. 298.
-
Wolff, on the variability of the viscera in man, i. 109.
-
Wollaston, T. V., on Eurygnathus, i. 344;
-
on musical curculionidæ, i. 378;
-
on the stridulation of Acalles, i. 384.
-
Wolves learning to bark from dogs, i. 44;
-
Wolves, black, ii. 294.
-
Wombat, black varieties of the, ii. 294.
-
Women distinguished from men by male monkeys, i. 13;
-
preponderance of, in numbers, i. 302;
-
effects of selection of, in accordance with different standards of beauty, ii. 355;
-
practice of capturing, ii. 360, 364;
-
early betrothals and slavery of, ii. 366;
-
selection of, for beauty, ii. 372;
-
freedom of selection by, in savage tribes, ii. 372.
-
Wonder, manifestations of, by animals, i. 42.
-
Wonfor, Mr., on sexual peculiarities in the wings of butterflies, i. 345.
-
Woolner, Mr., observations on the ear in man, i. 22.
-
Wood, J., on muscular variations in man, i. 109, 128, 129;
-
on the greater variability of the muscles in men than in women, i. 275.
-
Wood, T. W., on the colouring of the orange-tip butterfly, i. 394;
-
on the habits of the Saturniidæ, i. 398;
-
on the habits of Menura Alberti, ii. 56;
-
on Tetrao cupido, ii. 56;
-
on the display of plumage by male pheasants, ii. 89;
-
on the ocellated spots of the Argus pheasant, ii. 144;
-
on the habits of the female Cassowary, ii. 204.
-
Woodcock, coloration of the, ii. 226.
-
Woodpecker, selection of a mate by the female, ii. 116.
-
Woodpeckers, ii. 56;
-
tapping of, ii. 62;
-
colours and nidification of the, ii. 171, 174, 223;
-
characters of young, ii. 185, 199, 209.
-
Wormald, Mr., on the coloration of Hypopyra, i. 397.
-
Wounds, healing of, i. 13.
-
Wren, ii. 198;
-
Wright, C. A., on the young of Orocetes and Petrocincla, ii. 220.
-
Wright, Chauncey, on correlative acquisition, ii. 335;
-
on the enlargement of the brain in man, ii. 391.
-
Wright, Mr., on the Scotch deerhound, ii. 261;
-
on sexual preference in dogs, ii. 271;
-
on the rejection of a horse by a mare, ii. 272.
-
Wright, W. von, on the protective plumage of the Ptarmigan, ii. 81.
-
Writing, i. 182.
-
Wyman, Prof., on the prolongation of the coccyx in the human embryo, i. 16;
-
on the condition of the great toe in the human embryo, i. 17;
-
on variation in the skulls of the natives of the Sandwich Islands, i. 108;
-
on the hatching of the eggs in the mouths and branchial cavities of male fishes, i. 210, ii. 20.
-
X.
-
Xenarchus, on the Cicadæ, i. 350.
-
Xenorhynchus, sexual difference in the colour of the eyes in, ii. 129.
-
Xiphophorus Hellerii, peculiar anal fin of the male, ii. 9, 10.
-
Xylocopa, difference of the sexes in, i. 366.
-
Y.
-
Yarrell, W., on the habits of the Cyprinidæ, i. 309;
-
on Raia clavata, ii. 2;
-
on the characters of the male salmon during the breeding season, ii. 4, 14;
-
on the characters of the rays, ii. 6;
-
on the gemmeous dragonet, ii. 8;
-
on the spawning of the salmon, ii. 19;
-
on the incubation of the Lophobranchii, ii. 21;
-
on rivalry in song-birds, ii. 53;
-
on the trachea of the swan, ii. 60;
-
on the moulting of the anatidæ, ii. 85;
-
on an instance of reasoning in a gull, ii. 108;
-
on the young of the waders, ii. 217.
-
Yellow fever, immunity of negroes and mulattoes from, i. 243.
-
Youatt, Mr., on the development of the horns in cattle, i. 284.
-
Yura-caras, their notions of beauty, ii. 347.
-
Z.
-
Zebra, rejection of an ass by a female, ii. 295;
-
Zebus, humps of, i. 284.
-
Zigzags, prevalence of, as ornaments, i. 233.
-
Zincke, Mr., on European emigration to America, i. 179.
-
Zootoca vivipara, sexual difference in the colour of, ii. 36.
-
Zygænidæ, coloration of the, i. 396.