542 



INDEX 



Taenioles, 81. 



Tail coverts, 328. 



Tail, of Amphibia, 299; of fishes, 275; of 



Ganoidei, 284; of man, 472; of Tele- 



ostei, 286; of Teleostomi, 283. 

 Tailed Amphibia, 453. 

 Tailless cats, 404. 

 Tailor birds, 355. 

 Tamandua ant-eater, 370. 

 Tamandua tetradactyla, 370. 

 Tanagers, 355. 

 Tapeworm, 112. 

 Tapirs, 379,454, 455. 

 Tapir, skeleton of fore foot, 377. 

 Tarantula, 182, 184. 

 Tardigrada, 187. 

 Tarsals spectrum, 406. 

 Tarso-metatarsus, of fowl, 331. 

 Tarsus, of cockroach, 203; of insects, 192. 

 Tasmanian devil, 367. 

 Taste sense, of Mammalia, 360. 

 Tautog, 293. 



Taxonomy, 7, 514; definition of, 513. 

 Tealia crassicornis, 73. 

 Teat, 356. 

 Teats, of Artiodactyla, 380; of marsupials, 



365 ; of rodents, 386. 

 Teeth, of Carnivora, 397; of Reptilia, 308; 



of serpents, 315. 

 Telea polyphemus, 215. 

 Teleostei, 285, 425, 450, 451. 

 Teleostomi, 282. 

 Telson, 159. 



Temperature of ocean, 445. 

 Temporal arcade, of fowl, 331. 

 Teras terminalis, 223. 

 Teratology, 7. 514 ; definition of, 513. 

 Te> 1 1 lis, 249. 



Terga, of cockroach, 203 ; of Pagurus, 169. 

 Tergum, of barnacle, 157, 158 ; of lobster, 



147. 



Termes Iv.cifitgtis, 201. 



Termites, 200, 201, 227. 



Terns, 350. 



Terrapin, 324. 



Terrestrial fauna, 451. 



Terrigenous deposits, 445. 



Tertiaries, of birds, 328. 



Tertiary fossils, 432. 



Tertiary period, 13. 



Test, of Tunicata, 264. 



Testes, of Acanthocephala, 124; of Argulus, 

 156; of Artiodactyla, 380; of Branchi- 

 p?is, 151; of Carnivora, 397; of Cetacea, 

 373; of Chastognatha, 125 ; of Daphma, 

 152; of Distomum,Ti.o; of dogfish, 277; 

 of Doliolum, 265 ; of frog, 301 ; of Hi- 

 rudo, 144; of Hydra, 66; of Insectivora, 

 392 ; of Lagomorpha, 391 ; olLepas, 157 ; 



of Mammalia, 361 ; of Perissodai 



377; of pigeon, 333; of Primates, 406; 



of rodents, 386; of Sirenia, 372 ; of Tri- 



chi>;a,i2-$; of trout, 288; of Turbellaria, 



108. 

 Testudo graeca, 322. 

 Tetrabranchiata, 253. 

 Tetraradiate spicules, of sponge, 55. 

 Tetrastemma obscurum, 119. 

 Texas rattler, 320. 

 Thalassicola pelagica, 30. 

 Theoretical biology, 458. 

 Theria, 367. 

 Theromorpha, 421. 

 Thick-shelled clam, 249. 

 Thomas Aquinas, 497. 

 Thoracic cavity, of Mammalia, 358. 

 Thoracic vertebrae, of Mammalia, 357; of 



pigeon, 333. 

 Thoracostraca, 164. 

 Threadworms, 120. 

 Three-toed sloths, 371. 

 Thrips, 202, 227. 

 Thumb, of man, 411. 

 Thrushes, 355. 

 Thysanozooii , 106. 

 Thysanura, 197, 226, 227. 

 Tibia, of cockroach, 203 ; of gorilla, 359 ; of 



insects, 192. 

 Tibio-fibula, of frog, 300. 

 Tibio-tarsus, of fowl, 331. 

 Ticks, 184, 185. 

 Tiger, 403, 454. 

 Tinamon, 341. 

 Tinamus, 341. 

 Tissue, definition of, 5. 

 Tits, 355. 

 Toads, 304, 306. 

 Tongue, of Mammalia, 360; of pigeon, 333 ; 



of Reptilia, 308. 

 Toothed Cetacea, 374, 375. 

 Toothed whaies, 374. 

 Toothless whales, 375, 376, 433. 

 Tornarta, 263. 

 Torpedo, 280. 

 Tortoise, fossil, 432. 

 Tortoises, 321. 

 Tortoise shell, 321. 

 Toucans, 348. 



Trachea, ol Mammalia, 361 ; of pigeon, 333. 

 Trachea-, of Arachnida. 

 Tracheal gills, 195 ; of May-fly larvae, 198. 

 Tracheata, 188. 

 Trachcliastes, 1 ; ; . 

 Transmission, of acquired acts, 4S5 ; of 



acquired characters, 476 ; of variations, 



460. 

 Transverse process, of frog's vertebra, 300. 

 Trapdoor spider, 183. 



