268 INDEX 



Struggle for existence, 36 

 Struthidea, 151 

 Suckers, 135 

 Suckling, 235, 243 

 Sugar, 1 86 

 Summer-duck, 107 

 Sunlight on skin, 76 

 Swallows, 151, 152, 241 

 Swamp -deer, 92 

 Swans, 102, 104, 153, 1 61 

 Swarm -spores, 232 

 Sweat-glands, 185 

 Swifts, 102, 103, 152 

 Swimming, 240 

 Swine, 45, 171, 216 



TABOO, 132 



Tadpoles, 18, 20, 51, 59, 200 



Tail, 17, 97 



Tailor-bird, 150 



Takin, 13 



Talking birds, 253 



Taming and tameness, 204, 205, 207, 221 



Tanager, 100, 112 



Tapirs, 45, 62, 67, 93, 172, 190, 218 



Tasmanian devil, 180 



wolf, 96 



Tasting, experimental, 73 

 Temperature, 48, 50, 54, 156, 162, 185 

 Termites, 125, 132 

 Terns, 107 



Thayer, Abbott, 75, 76, 77 

 Thomson, Sir Wyville, 119 

 Thrushes, 103, in, 150 

 Thylacine, 96, 180, 220 

 Ticks, 82 



Tigers, 10, 41, 75, 78, 84, 85, 214, 249 

 Timber -wolf, 10 

 Tinamou, 101, 107, 154 

 Titmouse, 103 



Toads, 15, 51, 59, 76, 141, 140, 184 

 Todies, 153 



Tortoises, 15, 143, 195, Ig Q 

 Toucans, 66, 153 

 Tow-net, 117 

 "Towns" of beavers, 177 

 Tree -bear, 180 

 Tree-frogs, 17, 59, i 4O 

 Tree-hyrax, 44, 174, 194 



Tree kangaroo, 179 

 Trochophore larva, 25, 26 

 Trogons, 153 

 Tropisms, 232-234, 236 

 Trumpeter, 153 

 Turaco, 154., 159 

 Turbot, 21, 115, 134 

 Turkey-vulture, 50 

 Turtles, 143, 144 



UMBRE, 150 



Ungulates, 45, 46, 87, 93, 171, 172, 174, 



204, 215 



Unpalatability, 72 

 Urodeles, 59 

 Utility, 63, 74 



VARIABILITY, 58 

 Vegetation, 116, 243 

 Veliger, 26 

 Vermin, parasitic, 82 

 Vertebrates, 53, 54, 134, 237 

 Vicugna, 93, 218 

 Vitality of youth, 224, 245 

 Voice, 1 68 

 Vorticella, 236 

 Vultures, 49, 103, 105 



WADERS, 107 

 Walk, learning to, 241 

 Wallaby, 179 

 Wallace, A. R., 72 

 Walrus, 214, 2 4 3 

 Warrens, 176 

 Wart-hog, 93, 218 

 Wasps, 73, 127, 128, 132 

 Water-beetle, 129 



chevrotain, 93 



deer, 92 



fleas, 120 



fowl, 98 



hen, io 4 



spider, 122 

 Weaning, 169, 191 

 Weasels, 10, 4 2, 87, 169 

 Weaver-birds, no, 112 

 Webs, spiders', 122,230 

 Weismann, A., 57 

 Whales, 75, 240 

 Whelk, 130 



