Smedley, Mr. E., ii. 83, 100, 163, 175, 215

Smith, Dr. Edwin, ii. 210

"Social Environment and Moral Progress," Wallace's, ii. 104, 144-5, 250

"—— Statics," Spencer's, i. 123, 150, ii. 143

Socialism, Wallace's first lessons in, and later views of, i. 15, 16,
   ii. 139 et seq.;
  "individualistic," 114;
  Wallace's definition of, 152

Society for Psychical Research, foundation of, ii. 196

"Sociology, Principles of," i. 126

"—— Study of," Spencer's, i. 283

Solar nebula, lecture by Sir R. Ball on, ii. 174

—— system, central position of, ii. 171

South America, fauna of, ii. 10

Special creation, i. 189 (note), 190, 192, ii. 23, 185

Species, mutability of, i. 78, 137;
  law of introduction of, 96, 101-2;
  extinction of, 98.
  (See also Selection, natural)

Spencer, Herbert, birth of, i. 5;
  and Evolution, 122, 123;
  arguments with Huxley on Evolution, 123;
  sends Darwin a copy of his Essays, 124;
  suggests "survival of the fittest" as alternative to "natural selection," 125, 171;
  Wallace's relations with, 125;
  Darwin's approval of "survival of the fittest," 174;
  autobiography of, ii. 211

—— letters from:
  on "Origin of the Races of Man," ii. 18;
  on theory of flight, 27-8;
  on "Darwinism,"47;
  on Lord Salisbury's view of Natural Selection, 59, 60, 65;
  on Land Nationalisation Society, 154;
  on "Progress and Poverty," etc., 154-5

Spilosoma menthastri, i. 179

Spiritualism, Wallace's belief in, ii. 122, 167, 178, 181 et seq., 239-40;
  Huxley on, 187;
  Lord Avebury on, 212

Spiritualists, Association of, ii. 198, 199

Spontaneous generation, i. 274

Spruce, Mr., i. 150, 161, 166, 232

Stanley, Dean, at Linlathen, ii. 228

Stephens' "Illustrations of British Insects," i. 23 (note)

Sterility, Natural Selection and, Meldola on, ii. 41-2

Stevens, Samuel, i. 26, 48, 49, 54, 71, 72, 102, 105, 143

Stewart, Prof. Balfour, and telepathy, ii. 200

Strahan, Dr. A., and Wallace memorial, ii. 253

Strang, Mr., chalk portrait of Wallace by, ii. 224

Strasburger, Prof. Eduard, receives Darwin-Wallace Medal, i. 120;
  tribute to Wallace, 120;
  on Wallace's "Malay Archipelago," ii. 231

Stuart-Menteith, C.G., ii. 160

"Studies, Scientific and Social," Wallace's, ii. 143, 147

"Study of Variation, with regard to Discontinuity in Origin of Species,"
   Bateson's, ii. 60-1

"Subsidence and Elevation of Land," Sir H.H. Howorth's, i. 277

—— theory of, i. 132, 160, 212, 238, 286, 309

[pg 285]

Survival of the fittest, i. 125, 171, 174-5, ii. 59
  (see also Selection, natural)

Sus papuensis, i. 161, 162

—— scrofa, i. 162

Swinton, Mr. A.C., ii. 155

Synthetic philosophy, Spencer's, i. 1, 123, 124

Switzerland, Wallace's visits to, i. 35, ii. 204

T

Telepathy, ii. 181, 186 et seq., 196, 199

"Tendency of Varieties to Depart Indefinitely from Original Type,"
   Wallace's, i. 109;
  loss of MS., 127, ii. 7

Ternate, Wallace at, i. 36, 68, 107, 108;
  volcanic eruption of 1849 in, 68;
  Wallace's paper on Natural Selection sent to Darwin from, i. 106, ii. 39

Tertiary Period, i. 159, 292, 294, 295

Thayer's theory of animal colouring, ii. 36

"Theories of Evolution," Poulton's, ii. 61

"Theory of Development and Heredity," Orr's, ii. 60

"—— of Natural Selection from a Mathematical Point of View," Bennett's, i. 253

"—— of Population," Spencer's, i. 124

Thiselton-Dyer, Sir W.T.:
  appreciation of Wallace by, i. 4;
  at Darwin-Wallace Jubilee, 122;
  paper on geographical distribution of plants by, ii. 90

—— letters from:
  on Darwin Commemoration volume, ii. 91;
  on Sir F. Darwin's "Foundations" and the Darwin celebration, 92;
  on Evolution and the fundamental powers and properties of life, 95-8;
  asking Wallace to join Royal Society, 219, 220-1;
  on Romanes' charge of plagiarism, 236-7

Thompson, Prof. Silvanus P., signs petition for national memorial to
   Wallace, ii. 253

Thomson, Prof. J.A., ii. 12 (note)

—— Sir W. (Lord Kelvin), on age of world, i. 242, 250, 268, ii. 75

Thought transference (see Telepathy)

"Threading my Way," R.D. Owen's, ii. 225

Timor, birds of, i. 80, ii. 4;
  mammalia of, i. 133, ii. 4;
  fossils of, i. 138, 148, 290;
  Darwin receives honeycomb from, 143, 146;
  flora of, 237

Transmutation of species, i. 123, ii. 23

"Travels on the Amazon and Rio Negro," Wallace's, i, 30, 35

Trees, tropical, i. 86

Trimen, Mr., paper on mimetic butterflies by, i. 200, 201

Trimorphism in plants, i. 161, 202, 220

Tropical forests, Darwin's description of, i. 31-2;
  denizens of, 31

"—— Nature," Wallace's, ii. 11

Turner, Dr., orchids of, ii. 114

—— Mr. H.H., signs petition for national memorial of Wallace, ii. 253

Tylor, E.B., "Early History of Mankind," i. 164;
  Wallace on, 165;
  "Anthropology," ii. 65

Tyndall, John, birth of, i. 5;
  and psychical research, ii. 198

U

Uaupés, Indians of, i. 31;
  exploration of, i. 29

Unfit, segregation of, ii. 160-1, 246

United States, Wallace's lecturing tour in, ii. 14

"Unparalleled Discoveries of Mr. T.J.J. See, Account of," ii. 178

Utricularia, i. 284-5

V

Vaccination, Wallace and, ii. 149, 202, 237, 240-1;
  Rev. H. Price Hughes on, 158;
  Frederic Myers and, 206

[pg 286]

"Variation, Heredity, and Evolution," Lock's, ii. 84

—— of birds, i. 162-3

"Variations of Animals and Plants under Domestication," Darwin's,
   i. 112, 189, 195, 197, 199, ii. 2

Variety, Wallace's differentiation of, from species, i. 91-2, 96, 97, 101, 115, 167 (note), 169, 173, 205, 210, 234, ii. 21, 62, 63, 70

Varley, C.F., i. 244

Vegetarianism, Wallace on, ii. 158

"Vestiges of the Natural History of Creation," i. 91, 92 (note)

Victoria, Queen, approves of pension to Wallace, i. 315

"Vignettes from Nature," Grant Allen's, ii. 46

Vogt, Prof., i. 221

Volcanic eruptions and migration, Lyell's theory of, ii. 19

"Voyage of the Beagle," Darwin's, i. 31, 32, 34, ii. 2

"—— up the Amazon," Edwards's, i. 25

W

Waddell's "Lhasa," ii. 82

Waddington, Mr. Samuel, ii. 77

Wages, question of, ii. 156

Waimate (N.Z.), missionary settlement at, i. 37

Wallace, Alfred Russel:
  co-discoverer of Natural Selection, i. 1, 2, 105, 106, 107, 111, 112, 113, 136, 139, 153, 158, ii. 39-40;
  early years, i. 5-44;
  nervousness, 7, 14, 35, ii. 134;
  his father, i. 8;
  his mother, 8, 9, 30;
  first experiments, 9, 19-20;
  schooldays, 11;
  geographical studies, 11;
  love of reading, 13;
  pupil teacher at Hertford Grammar School, 14;
  interest in Socialism, 15, 27, ii. 151 et seq., 181;
  land-surveying, i. 15, 17, 19, ii. 139, 182;
  astronomical studies and writings, i. 20, ii. 167 et seq.;
  early interest in zoology and geology, i. 20;
  first telescope, 20, ii. 168;
  love of botany, i. 20, 21, ii. 106;
  his herbarium, i. 22;
  as watchmaker, 23;
  interest in phrenology and mesmerism, 24, ii. 181, 182;
  studies beetles and butterflies, i. 24, 114;
  school teacher at Leicester, 24;
  voyage to Amazon, 26 et seq.;
  explores Uaupés River, 29;
  fire at sea and loss of collections, 29, 30;
  first meeting with Darwin, 35, 105, ii. 62;
  meets Huxley, i. 35;
  visits Switzerland, 35, ii. 204;
  visits Singapore, i. 36;
  on missionaries, 37-8, 47, 48, 50, 62-3;
  in Sarawak, 38-40;
  beetle and butterfly collecting, i. 38, 41-2, 114, 237, ii. 4-5;
  ill-health of, i. 40, 79;
  enthusiasm as naturalist and collector, 40-2, 115;
  journey in a "prau," 42;
  early letters, etc., 45-88;
  Darwin-Wallace joint paper read before Linnean Society, 71, 89, 109, 118, 122;
  Darwin's appreciation of his magnanimity, 71, 106, 118, 134, 137, 139, 141, 153, 164, 242, 252, 287, 304;
  attack of intermittent fever, 107, 108;
  jubilee of Darwin-Wallace essay and his speech, 110 et seq;
  relations with Spencer, 125;
  Presidential Address to Entomological Society, 126;
  reads proofs of Spencer's "principles of Sociology," 126;
  correspondence with Darwin, 127-320;
  inscription on envelope containing Darwin's first eight letters, 128;
  sends Darwin a honeycomb, 143;
  reads Spencer's works, 147, 150;
  "exposé" of Rev. S. Haughton's "Bee's Cell," 148;
  his opinion of Agassiz, 149;
  and the origin of man, 152, 153, 154, 155 et seq., 240;
  and Darwin's paper on climbing plants, 162;
  on a crested blackbird, 163;
  on the Reader, 165;
  on mimicry, 167 (note), 168, 176, 179;
  approves of term "survival of the fittest," 171;
[pg 287]   birth of a son, 188;
  later views on Natural Selection, 217, 218;
  dedicates "Malayan Travels" to Darwin, 232;
  birth of a daughter, 234;
  visits Wales, 247;
  reviews "Descent of Man," 260;
  on Chauncey Wright and Mivart, 265-7;
  Bethnal Green Museum directorship, 277;
  and second edition of "Descent of Man," 281 (note), 282, 283;
  social and political views, 283, 317, 319, ii.
139-65, 245-7;
  at Dorking, i. 294, 297, ii. 106;
  and the superintendency of Epping Forest, i. 302, 303, 304, 306, ii. 106;
  writes a work on Geography, i. 304, ii. 14;
  recommended for a Civil List pension, i. 313-16;
  works on Biology, etc., ii. 3 et seq.;
  articles for "Encyclopædia Britannica,"11;
  lectures at Boston, U.S.A., 15;
  correspondence on biology, geographical distribution, etc., 18-102;
  on theory of flight, i. 145, ii. 25-8;
  and Mivart's "Genesis of Species,"34;
  friendship with Meldola, 35;
  theory of animal heat, 35;
  and Romanes, 36 et seq., 49 et seq.;
  on ferns, 40;
  on sterility and Natural Selection, 41 et seq.;
  admitted to Royal Society, 55, 56, 221, 222;
  on "discontinuous variation,"62-3;
  theory of mouth-gesture as a factor in origin of language, 65;
  on non-heredity of acquired characters, 70;
  his last public lecture, 87, 222-3;
  two of his works translated into Japanese, 100;
  home life, 103-138;
  domesticity of, 104;
  skill at chess, 107;
  Examiner in Physiography at South Kensington, 109;
  as housebuilder, 110, 111, 119-120;
  honours from scientific societies, 113;
  enthusiasm for orchids, 114;
  his method of writing, 120-1, 243;
  and psychical research, 122, 167, 181-215, 239-40;
  daily routine, 123-4;
  sense of humour, 125-6, 132, 133, 134, 226, 227, 228;
  receives the Order of Merit, 127-9;
  his Sarawak spider, 131;
  failing health, 135 et seq.;
  death, 138, 252;
  funeral, 252;
  memorial in Westminster Abbey, 253-5;
  lists of writings, 257

—— —— —— letters to his mother: announcing arrival at Singapore, i. 47;
  describing work at Singapore, 48;
  on Malacca and missionaries, 49;
  on his collections and visit to Rajah Brooke, 51;
  on the Rajah, 59;
  on correspondence from Darwin and Hooker, and his Aru collection, 71;
  on plans for collecting at Java, and impending return to England, 83

—— —— —— letter to his wife, sending plants from Furka Pass, ii. 115

—— —— —— letters to his son, Mr. W.G. Wallace: on building of house at Parkstone, ii. 111-13;
  on purchase of land at Broadstone and garden plans, 117-18;
  enclosing ground plan of house and describing progress, 118-20;
  on "Man's Place in the Universe," and Spiritualism, 121-2;
  requesting revision of "Mars," 122;
  on forthcoming lecture at the Royal Institution, and conferment of Order of Merit, 127-9;
  on discovery of a rare moth and beetles in root of an orchid, 129-30;
  on the railway strike, 163-4

—— —— —— letters to his daughter Violet: on "victims of Landlordism," ii. 113;
  on "Freeland" and "Looking Backward," 114;
  on orchid growing, 114;
  on use of a wagging tail, 115-16;
  on "Maha Bharata," 116;
  on eight hours' movement, 156

[pg 288]

—— —— —— letter to Lord Avebury, on Bill for bird preservation, i. 162

—— —— —— letters to Sir W.F. Barrett:
  on the nebular hypothesis, ii.
174;
  on Mars, 176;
  on experiments with sensitives and on prosecution of Slade, 197;
  on Dr. Carpenter, 198;
  regretting inability to attend Dublin meeting of British Association, 199;
  on the advocacy of vaccination, 206;
  on dowsing, 206-8;
  on presidency of Psychical Research Society, 208;
  on "Creative Thought" and on ministry of angels, 213;
  explaining his criticisms of "Creative Thought," 214-15

—— —— —— letter to F. Bates, on exotic insect-collecting, i. 69

—— —— —— letters to H.W. Bates:
  on Darwin's Journal, i. 25;
  on "Law regulating Introduction of New Species" and Ternate, 65;
  congratulating him on arriving home, 72;
  on Darwin, 73

—— —— —— letters to Mr. F. Birch:
  on "Mars," ii. 177;
  announcing conferment of Order of Merit, 223-4

—— —— —— letter to Mr. H. Jamyn Brooke, on monism, ii. 177

—— —— —— letters to Miss Buckley (Mrs. Fisher):
  on "Descent of Man," ii. 31-2;
  on physiology of ferns, etc., 40-1;
  on infinity of life-forms, 89-90;
  on house-planning at Broadstone, 119-20;
  on Turks, 153;
  on his "Reciprocity" article, 153;
  on the earth as only habitable planet, 175;
  on Spiritualism, 188-95;
  on psychical and other works, 203-4;
  on his visit to Switzerland, 204;
  on re-incarnation and theosophical writings, 205;
  on psychical research and Spencer's "Autobiography," 211;
  on conferment of Order of Merit, 222;
  on his autobiography, and Owen, 224-5;
  on reviews of "My Life," 225-6

—— —— —— letter to Mr. Sydney C. Cockerell, on Kropotkin's Life, ii. 161

—— —— —— letter to Mr. Theo. D.A. Cockerell, on fertilisation, ii. 49

—— —— —— letters to Charles Darwin:
  on the Timor honeycomb, i. 143;
  on Darwin's "Orchids," 143;
  on theory of flight, 145;
  on Spencer's "Social Statics," 150;
  on Borneo exploration and his contribution to theory of man's origin, 152;
  on his paper on Man and Natural Selection, 155;
  on the Aru Islands, 161;
  on a case of variation becoming hereditary, 162;
  on the Reader, 165;
  on dimorphism, 168;
  suggesting "survival of the fittest" in preference to "natural selection," 170;
  on mimicry and glacier action, 176;
  on expression, 180;
  on "Creation by Law," 188, 192;
  on superintendency of a Museum, 193;
  on sterility of hybrids, 196;
  on natural selection as producing sterility of hybrids, and pangenesis, 199;
  on Trimen's paper at the Linnean Society, 201;
  on selective sterility, 203, 205, 210;
  on Darwin's "Cross Unions of Dimorphic Plants," 218;
  on protection and sexual selection, 221, 222, 227;
  on the dedication of "Malayan Travels," etc., 232;
  on single variations, 234;
  on colouring of caterpillars, 235;
  on his "unscientific" opinions on Man, 243, 250, 255;
  on wing-scales of butterflies, 244;
  on Dr. Meyer, 248;
  on "Descent of Man," 255, 259, 284;
  recommending two remarkable books, 263;
  on Mivart and Chauncey Wright's critique, 265;
[pg 289]   on Darwin's answer to Mivart, 271;
  on Dr. Bree, and Bastian's "Beginnings of Life," 273;
  on a Bethnal Green Museum appointment, 277;
  on Darwin's "Expression of the Emotions," 279;
  on invitation to undertake revision work for Darwin, 281, 282;
  on "Climbing Plants," 285;
  on Darwin's criticism of "Geographical Distribution," 288, 294;
  on Darwin's "Crossing Plants," 296;
  on Darwin's "Orchids," 297;
  on Darwin's "Forms of Flowers," and glacial theory, 298;
  on sufficiency of Natural Selection, 300;
  on Epping Forest superintendency, 302, 303;
  on "Island Life," 305, 306;
  on Darwin's criticism of "Island Life," 308;
  on Darwin's "Movements of Plants," 311;
  on land migration of plants, 311;
  on Civil List pension, 314, 315;
  on "Progress and Poverty," 317;
  on Darwin's "Earthworms," 320

—— —— —— letters to Sir Francis Darwin:
  on Darwin's "Life and Letters," ii.
39;
  on descent with modification, 78;
  on mutation, 80

—— —— —— letter to Mr. W.J. Farmer, on final cause of varying colour of hairs, etc., ii. 101-2

—— —— —— letter to Dr. W.B. Hemsley, on insular floras, ii. 43-4

—— —— —— letter to Rev. J.B. Henderson, on Christianity, ii. 209

—— —— —— letter to Sir J. Hooker, on Natural Selection, etc., ii. 81-2

—— —— —— letters to Huxley:
  enclosing a copy of "The Scientific Aspect of the Supernatural," ii. 187;
  on psychical research, 188

—— —— —— letter to Mr. J. Hyder, on land nationalisation, ii. 161

—— —— —— letter to Prof. Knight, on immortality, ii. 178

—— —— —— letter to Dr. Littledale, acknowledging birthday congratulations, ii. 136

—— —— —— letters to Sir Oliver Lodge:
  on proof of constant variability, and Lord Kelvin's calculations, ii. 74-5;
  on principle of continuity, etc., 178-9;
  acknowledging Romanes' lecture and criticising lectures by Mr. See, 179-80

—— —— —— letter to Sir C. Lyell, on colour of man, ii. 29

—— —— —— letters to Mr. J.W. Marshall:
  on Hudson's observations and theories, ii. 53-4;
  conveying condolences, and views on a hereafter, 209;
  on his autobiography, 226

—— —— —— letters to Prof. Meldola:
  on physiological selection, ii. 36-8;
  on Natural Selection, 41, 42-3;
  on Meldola's controversy with Romanes, 50-1;
  on individual adaptability, 55-6;
  on "discontinuous variation,"62-3;
  on Weismann's "Germinal Selection,"68-70;
  on Weismann's doctrine of non-inheritance of acquired characters, 70-1;
  on Weismann's "Germ Plasm,"72;
  on Fisher's "Physics of the Earth's Crust,"74;
  on Meldola's offer to read Wallace's paper at Royal Institute, 87-8

—— —— —— letter to Mr. Ben. R. Miller, on Sleeper's "Shall we
   have Common Sense?" ii. 98-9

—— —— —— letter to Mr. John (Lord) Morley, on Socialism, ii. 159

—— —— —— letter to Mr. M.J. Murphy, on Mr. Lloyd George, ii. 164-5

—— —— —— letter to Dr. Norris, on increasing weakness, ii. 136-7

—— letter to Miss Norris, on health and diet, ii. 136

—— —— —— letters to Prof. E.B. Poulton:
  on "Protective Value of Colour and Markings in Insects," ii. 39;
[pg 290]   on Weismann's "Essays upon Heredity," 44, 45;
  on Grant Allen's theory of origin of wheat, 46;
  on Cope's "Origin of the Fittest," 47;
  on Weismann's additional essays, 51-3;
  on non-heredity of acquired characters, 54-5;
  on maternal impression, 56-8;
  on Bateson's "Material for the Study of Variation," 60-1;
  on Poulton's "Theories of Evolution," 61-2;
  criticising Romanes, 63-5;
  on Poulton's Presidential Address to British Association, 71-2;
  on denudation and deposition, 73;
  on mutation, 79;
  on Poulton's Presidential Address to Entomological Society, 79;
  on Mendelism and mutation, 84;
  on Poulton's Introduction to "Essays on Evolution," 85-6;
  on invitation to lecture at Royal Institution, 87;
  on Lord Rothschild's butterflies, and Royal Institution lecture, 88-9;
  on an article in the Times, 89;
  on Bergson, 98;
  on Sleeper's alleged anticipation of Darwinism, 99-100;
  on declining the Oxford D.C.L. degree, 217-18;
  agreeing to accept the degree, 218

—— —— —— letters to Dr. Archdall Reid:
  on "Present Evolution of Man," ii. 67-8;
  on instinctive knowledge, 68;
  on "Ancient Britain and Invasions of Cæsar," 86;
  on Mendelism and Evolution, 92-3

—— —— —— letter to Mr. Clement Reid, on discovery of Miocene or Pliocene Man in India, ii. 62

—— —— —— letter to Mr. H.N. Ridley, on De Rougemont, ii. 76

—— —— —— letter to Mr. Alfred Russell, on vegetarianism, ii. 158

—— —— —— letters to Mr. G. Silk:
  on Alexandrian donkey-drivers, i. 45;
  on forthcoming visit to Sarawak, 52;
  on marriage, 87

—— —— —— letters to Mrs. Sims (his sister):
  on his assistant, i. 56, 60;
  on missionaries, 62;
  on life in Macassar, 64;
  on Java and its flora, 85

—— —— —— letters to Thomas Sims:
  on Singapore, i. 61;
  on monocular and binocular vision, Darwin's "Descent of Species," and belief and disbelief, 73

—— —— —— letters to Mr. E. Smedley:
  on Child's "Root Principles," ii. 83-4, 100-1;
  on prayer, 163;
  on Mars, 175;
  on horoscope, 215

—— —— —— letter to Dr. Edwin Smith, on Spiritualism, ii. 210

—— —— —— letter to Mr. C.G. Stuart-Menteith, on segregation of the unfit, ii. 160-1

—— —— —— letter to Mr. A.C. Swinton, on suggested lecture tour in Australia, ii. 155

—— —— —— letters to Sir W. Thiselton-Dyer:
  on botanical distribution and migration, ii. 34-5;
  on Darwin Commemoration volume, 90-1;
  on "World of Life,"93-5;
  on election to Royal Society, 221-2;
  on Romanes' charge against Wallace of plagiarism, 235-6

—— —— —— letter to Samuel Waddington, on origin of all living things, ii. 77-8

—— —— —— letters to Mr. A. Wiltshire:
  on the Liberal Government, ii. 162;
  on necessity for increased wages, 165

—— —— —— letter to an unknown correspondent, on fauna and flora of Borneo district, and Dyaks, i. 53

—— Annie (A.R. Wallace's wife), ii. 115, 252

—— Herbert (A.R. Wallace's brother), i. 28, ii. 182, 229

[pg 291]

—— John (A.R. Wallace's brother), i. 11, 13, 15

—— Mary Ann (A.R. Wallace's mother), i. 9

—— Thomas Vere (A.R. Wallace's father), i. 8;
  Librarian of Hertford, 13;
  straitened circumstances of, 14, 15

—— Violet (daughter of A.R. Wallace), reminiscences of her father, ii. 103-38

—— W.G. (son of A.R. Wallace), reminiscences of his father, ii. 103-38

"Wallace's line," i. 43, ii. 19, 232, 233

War, Wallace's abhorrence of, ii. 245

Ward, Mr., on muscular fibres of whales, i. 145

Warington, Mr., and "Origin of Species," i. 191

Webb, Mr. W.L., ii. 179-80

Wedgwood, Josiah, and Darwin, i. 18

Weir, Jenner, on moths, i. 179;
  on plumage of birds, 205;
  Darwin's appreciation of, 220;
  paper at the Entomological Society, 235

Weismann, Prof. A., receives Darwin-Wallace Medal, i. 120;
  on colouring of caterpillars, 299;
  "Essays upon Heredity," ii. 44 et seq., 51-2
  (see also Non-inheritance of acquired characters)

Wells, Dr., and Natural Selection, i. 116, 176

Westminster Abbey, graves and memorials of men of science in, i. 1;
  petition to Dean and Chapter as to medallion to Wallace in, ii. 253;
  unveiling of the medallion, 254

Westwood and theory of flight, i. 145;
  Darwin on, 146-7

Whale, muscular fibres of, i. 145

Wilberforce, Bishop, reviews Darwin's "Origin of Species," 144

Williams, Dr., ii. 192

—— Matthieu, i. 264

Wilson, Mr. D.A., reminiscences of Wallace, ii. 151-2

Wiltshire, Mr. A., letters to, ii. 162, 165

Wimborne, Lord, sale of land to Wallace, ii. 119

Wollaston, Dr., reviews "Origin of Species," i. 142;
  tribute to Wallace, ii. 230

Wollaston's "Coleoptera Atlantidum," ii. 22-3

Woman, independence and future of, Wallace's views on, ii. 149-51, 245

"Wonderful Century," Wallace's, ii. 144, 168, 169, 238

"Wonders of the World," i. 13

Wood, J.G., book on the horse, ii. 113

Woodbury, Mr., researches of, i. 146

"World of Life," Wallace's, ii. 8, 94, 167, 172, 176, 178, 182

"Worms, Formation of Vegetable Mould by Action of," Darwin's, i. 320

Wright, Chauncey, reviews Mivart's "Genesis of Species," i. 264, 265-7

Z

Zöllner, Prof., and supernormal phenomena, ii. 198, 199

"Zoological Geography of the Malay Archipelago," Wallace's, i, 137, ii. 232

Zoology, lectures on, at Edinburgh, i, 16; Darwin's study of, at Cambridge, 17