INDEX
- Aboral surface, 35.
- Acephala, 107.
- Adaptation to environment, 148, 185, 201, 205, 207.
- Ambulacral, 36.
- Amœba, 10.
- Anodon, 98.
- Antelope, 215.
- Antennæ, 68, 87.
- Ant-eater, giant, 199;
- spiny, 196.
- Ant lion, 91.
- Ape, 220.
- Aptera, 82.
- Apteryx, 174.
- Aquarium, 17.
- Argonaut, paper, 107.
- Armadillo, 200.
- Arthropoda, 9, 125.
- Bat, 202.
- Batrachia, 126.
- Beaver, 204.
- Bedbug, 92, 93.
- Bee, bumble, 89;
- honey, 88.
- Beetle, 90, 91.
- Big-headed turtle, 149.
- Bilateral, 34, 49, 98.
- Bill of bird, 151.
- Biology defined, 1.
- Birds, 150.
- Blood, of insects, 78.
- Boll weevil, 95, 96.
- Boll worm, 95, 96.
- Brain, of fish, 118.
- Breathing, of bird, 161;
- of insect, 76.
- Bureau of entomology, 95.
- Butterfly, 83.
- Cabbage butterfly, 84, 86, 87.
- Camel, 214.
- Candle, 5.
- Carbon dioxide, 24.
- Carp, 112, 117, 123.
- Cat, 184.
- Caterpillar, tent, 84.
- Cell, 6, 7.
- Celom, 46.
- Cephalopod, 106.
- Chelonia, 143.
- Chimpanzee, 219, 221.
- Chirping, 66.
- Chitin, 77.
- Cilia, 14, 20, 101, 103.
- Ciliated chamber, 17.
- Circulation, in amœba, 12;
- Clam, hardshell, 104;
- softshell, 104.
- Class, 9.
- Classification, of animals, 8, 125;
- Click beetle, 91.
- Clitellum, 43, 47.
- Cloaca, 18.
- Clothes moth, 84, 92, 93.
- Cockroach, 71.
- Cocoon, 84.
- Codling moth, 84, 86, 87, 95.
- Cœlenterata, 28.
- Coleoptera, 82.
- Collecting insects, 72.
- Colorado beetle, 90, 91.
- Coloration, warning, 84, 146;
- Colours of flowers, 85.
- Comparative study, 85, 108, 122, 223;
- moth and butterfly, 85.
- Copper head, 145.
- Coral, 31.
- Coralline, 31.
- Coral snake, 145, 146.
- Cricket, 71.
- Cross-fertilization, 25.
- Cuckoo, 179.
- Cuttlefish, 107.
- Cypræa, 104.
- Cysts, 13.
- Darwin, 48, 148.
- Devil’s horse, 71.
- De Vries, 148, 224.
- Digits, 222.
- Diptera, 82.
- Division of labour, 27, 29.
- Dog, 224.
- Dolphin, 209.
- Doodle bug, 91.
- Dorsal, 43.
- Dove, 179.
- Dragon fly, 93.
- Duckbill, 196.
- Ear, of bird, 151;
- Earthworm, 42.
- Echinoderms, 9, 34, 125.
- Economic importance of birds, 167;
- Ectoderm, 26, 87.
- Ectoplasm, 11, 14.
- Egg, of insect, 81.
- Endoderm, 26, 27, 37.
- Endoplasm, 11, 14.
- Energy, in amœba, 12;
- Environment, 148.
- Epidermis, of mussel, 98.
- Excretion, 12.
- Eye, of bird, 150;
- Family, 8.
- Fangs, venomous, 145.
- Farmers’ bulletins, 95.
- Feather, 155.
- Fertilization, cross, 85.
- Field study, 10, 22, 42, 71, 72, 97, 127, 165, 166, 167, 184.
- Fins, 110, 113.
- Flagellum, 21, 27.
- Flatworm, 49.
- Flea, 92, 93.
- Flight, of bird, 157, 175;
- of moth, 84.
- Fly, horse, 81;
- Food, of birds, 177.
- Food tube, of bird, 163;
- Foraminifera, 15, 18.
- Frog, 128.
- Function, 1.
- Ganglion, 45.
- Gasteropod, 108.
- Gastrula, 7.
- Genus, 8.
- Geographical barriers, 148.
- Gila monster, 147.
- Gills, of mussel, 100;
- of fish, 115.
- Gnawing mammals, 203.
- Gopher, pouched, 204.
- Gorilla, 221.
- Grantia, 18.
- Grasshopper, 70.
- Gypsy moth, 95.
- Hands, defined, 220.
- Heart, insect, 77.
- Hemiptera, 82.
- Heredity, 147, 153.
- Hessian fly, 95.
- Horned toad, 140.
- House fly, 92, 93.
- Human species, 220.
- Hydra, 22.
- Hydranth, 29.
- Hydroid, 28, 29, 30.
- Hymenoptera, 82.
- Hypostome, 23.
- Ichneumon fly, 89.
- Imago, 81.
- Infusoria, 16.
- Inorganic, 1.
- Insecticides, 95.
- Insects, 73, 75;
- Instinct, 80, 121.
- Jacana, Mexican, 178.
- Jay, blue, 181.
- Jelly fish, 29, 30.
- Kangaroo, 198.
- Kidneys, of fish, 117;
- Labial palpi, 68, 74, 101.
- Labium, 68, 74.
- Labrum, 68, 74.
- Lady bug, 91.
- Lamellibranch, 107.
- Lark, meadow, 182;
- sky, 179.
- Larva, 81.
- Lasso cell, 34.
- Leg, of bird, 152;
- Lemur, 220.
- Lepidoptera, 82, 87.
- Louse, 92, 93.
- Lungs, of bird, 165.
- Madreporite, 35.
- Mammal, 184;
- Manatee, 209.
- Mandibles, 68, 74.
- Mantis, praying, 3.
- Mantle, 99.
- Maxillæ, 68, 74.
- Maxillary palpi, 68, 74.
- May beetle, 90, 91.
- May fly, 83.
- Measuring worm, 81, 84.
- Medusa, 31.
- Mesoglea, 26.
- Metamorphosis of insect, 80, 81, 82.
- Metazoan, 1.
- Migration of birds, 171, 173.
- Mimicry, 146.
- Moccasin, 145.
- Mole, 201.
- Mollusc, 9, 97, 125.
- Moulting, 69, 174.
- Monkey, 220.
- Morula, 7.
- Mosquito, 92, 93, 96.
- Moth, 83.
- Mother-of-pearl, 99.
- Mussel, 96, 103.
- Nautilus, chambered, 107.
- Nectar, 8.
- Nephridium, 45.
- Nervous system, of bee, 78;
- of mussel, 102.
- Nest building, 166, 182.
- Neuroptera, 82.
- Nostril, of bird, 151;
- of fish, 112.
- Nucleolus, 6.
- Nucleus, 6, 11, 14.
- Octopus, 106.
- Okapi, 214.
- Omnivorous, 47.
- One-celled animals, 7.
- Opossum, 197.
- Oral surface, 35.
- Orang, 227.
- Order, 9.
- Organ, 1.
- Organism, 1.
- Orthoptera, 82.
- Osculum, 18.
- Ovary, 25, 37, 117.
- Oviduct, 46.
- Oxidation, 3, 4, 5.
- Oxygen, 4, 5.
- Oyster, 104.
- Paramecium, 13.
- Parasites, 49, 93.
- Partridge, 178.
- Pearls, 105.
- Peccary, 217.
- Perch, 109, 110, 123.
- Pests, insect, 93.
- Pheasant, 174.
- Plastron, 141.
- Pollen, 85.
- Pollen basket, 88.
- Polyp, 9, 22, 125.
- Portuguese man-o’-war, 28.
- Potato bug, 90.
- Primates, 220.
- Proboscis, of butterfly, 83, 87;
- elephant, 207.
- Prolegs, 84, 87.
- Protection of birds, 171.
- Protective resemblance, 34, 146.
- Protoplasm, 6, 11.
- Protozoa, 7, 9, 11, 125.
- Pseudoneuroptera, 82.
- Pseudopod, 11.
- Quill, 156.
- Rabbit, 205, 223.
- Radial symmetry, 34, 125.
- Rattlesnake, 145.
- Rectum, 134.
- Regeneration of lost parts, 37.
- Reproduction, 12, 15, 20, 25, 37, 46, 120.
- Reptiles, 139.
- Rhizopoda, 16.
- Road runner, 169.
- Robin, 183.
- Rotifer, 49.
- Round worm, 49.
- Ruminant, 213.
- Salamander, 134, 138, 139.
- Sandworm, 49.
- San José scale, 95.
- Scab in sheep, 95.
- Scales, of bird, 161;
- Scallops, 104.
- Scarab, 90, 91.
- Sea anemone, 33.
- Sea fan, 32.
- Sea horse, 124.
- Sea urchin, 38.
- Senses of insects, 76.
- Setæ, 43, 48.
- Sexual selection, 174.
- Shark, 121.
- Silkworm, 84, 86, 95.
- Silver scale, 83.
- Siphon, 101.
- Siphonoptera, 82.
- Skeleton, of bird, 152;
- Skull, mammalian, 194.
- Slipper animalcule, 13.
- Sloth, 199.
- Slug, 105.
- Snail, 105.
- Soil, 48.
- Sparrow, 182;
- English, 170.
- Specialization, 20, 27, 66, 210.
- Species, 8.
- Spermary, 25, 27.
- Spicule, 18.
- Spider, 94.
- Spiracle, 77, 87.
- Sponges, 17, 125;
- Sports, 148, 224.
- Squash bug, 93, 95.
- Squid, 106.
- Stickleback, 119.
- Struggle to live, 147.
- Study, comparative, 82, 149, 223.
- Sun energy, 2.
- Sunlight, 2.
- Survival of fittest, 147.
- Tadpole, 126, 134.
- Tapeworm, 49.
- Tarantula, 94.
- Teeth, of frog, 130.
- Terrapin, 143, 144.
- Toad, 137.
- Tortoise, 140, 143, 144.
- Trap-door spider, 94.
- Tube feet, 35.
- Tumble bug, 90, 91.
- Turtle, 140, 143, 144.
- Umbo, 98.
- Ungulate, 212.
- Vacuole, 11, 12, 14.
- Vampire, 203.
- Variation, 147.
- Variety, 8.
- Venomous snakes, 143.
- Vent, 42.
- Ventral, 43.
- Vermes, 9, 125.
- Vertebrates, 9, 125.
- Vertebrate skeletons, 218.
- Viscera, of bird, 163.
- Warning sound, 147.
- Wasps, digging, 89.
- Weevil, 90, 91, 96.
- Whale, 208.
- Wings, of grasshopper, 67;
- Woodpecker, 180.
- Worms, 42.
- Zoology defined, 1.
- Zoophytes, 33.