INDEX. 



437 



Tarsius, 415. 

 Tarso-metatarsus, 336. 

 Tarsus, 176. 

 Taste, 68. 

 Tatusia, 383. 

 Tautoga, 260. 

 Taxeopoda, 393. 

 Taxidea, 412. 

 Teeth, 19. 

 Tegmen cranii, 152. 

 Tegumentary skeleton, 91. 

 TeidcE, 321. 

 Tejus, 321. 

 Telencephalon, 49. 

 Teleostei, 252. 

 Teleostomi, 242. 

 Telerpeton, 314. 

 Telolecithal eggs, 206. 

 Telosaurus, 328. 

 Temnocyon, 412. 

 Temnospondyli, 283. 

 Temporal bone, 161. 

 Temporal fossa, 167. 

 Tendons, 112. 

 Tenrec, 385. 

 Tern, 349. 

 Terrapin, 311. 

 Tertiaries, 330. 

 Testes, 126. 

 Testes of brain, 53. 

 Testudinata, 307. 

 Testudinidae, 311. 

 Testudo, 311. 

 Tetrao, 350. 

 Tetraprotodon, 398. 

 Tetrodon, 267. 

 Teuthidae, 262. 

 Teuthis, 262. 

 Thalamencephalon, 49. 

 Thalami, 49, 52. 

 Thalassochelys, 310. 

 Thalassophryne, 266. 

 Thaumalea, 350. 

 Thecadont teeth, 294, 364. 

 Theriodontia, 306. 

 Theromorpha, 304. 

 Theropoda, 316. 

 Thomomys, 390. 

 Thoracic duct, 199. 

 Thoracic fins, 231. 

 Thoracic region, 142. 

 Thoracosaurus, 328. 

 Thread cells, 220. 

 Thresher sharks, 239. 



Thylacinus, 379. 

 Thylacoleo, 378. 

 Thylacoleonidas, 380. 

 Thymus glands, 33. 

 Thynnus, 263. 

 Thyrohyoid, 165. 

 Thyroid cartilage, 28. 

 Thyroid gland, 32. 

 Thyroptera, 387.' 

 Tibia, 176. 

 Tibial artery, 191. 

 Tibiale, 176. 

 Tibio-tarsus, 336. 

 Ticholeptus, 398. 

 Tiger, 412. 

 Tiger sharks, 239. 

 Tile fish, 261. 

 Tillodontia, 402. 

 Tillotherium, 403. 

 Tinamus, 346. 

 Tissues, 9. 

 Titanichthys, 272. 

 Titanotheriidae, 396. 

 Titanotherium, 396. 

 Toad fish, 266. 

 Toad, horned, 320. 

 Toads, 286. 

 Todus, 348. 

 Tody, 348. 

 Tolypeutes, 383. 

 Tomcod, 264. 

 Tomitherium, 415. 

 Tongue, 21. 

 Tonsils, 200. 

 Toothed birds, 344. 

 Torpedinidas, 239. 

 Torpedo, 239. 

 Tortoise, 310. 

 Tortoise shell, 308. 

 Tortoise shell turtle, 310. 

 Tortricina, 326. 

 Tortrix, 326. 

 Toucan, 348. 

 Toxodon, 262, 402. 

 Toxodontia, 402. 

 Trabeculae cranii, 151. 

 Trachea, 27. 

 Trachinidae, 261. 

 Trachinoidae, 261. 

 Trachinus, 261. 

 Trachynotus, 263. 

 Trachypteridas, 264. 

 Trachypterus, 264. 

 Tragelaphus, 399. 



Tragulidae, 398. 

 Tragulina, 396. 

 Tragulus, 398. 

 Transverse process, 141. 

 Trapezium, 177. 

 Trapezoid, 177. 

 Tree kangaroo , 380. 

 Tree toads, 287. 

 Trematosaurus, 284. 

 Triceratops, 317. 

 Trichechidae, 413. 

 Trichechus, 413. 

 Trichecus, 405. 

 Trichiuridae, 263. 

 Trichiurus, 263. 

 Trichoglossus, 349. 

 Triconodont, 365. 

 Triconodonta, 380. 

 Trifacial nerve, 59. 

 Trigeminal nerve, 61. 

 Trigger fish, 266. 

 Trigla, 260. 

 Triglidae, 260. 

 Trigon, 365. 

 Trimerorhachis, 283. 

 Triton, 285. 

 Tritors, 241. 

 Tritubercular, 365. 

 Trituberculata, 380. 

 Trochanter, 360. 

 Trochilidae, 350. 

 Trochlearis nerve, 61. 

 Troglodytes, 416. 

 Trogonidae, 348. 

 Tropic birds, 347. 

 Tropidonotus, 325. 

 Tropidosaurus, 320. 

 Trout, 256. 



Truncus arteriosus^ 181. 

 Trunk fish, 267. 

 Trygonidas, 239. 

 Tryonychia, 310. 

 Tuber cinereum, 53. 

 Tubinares, 349. 

 Tubular glands, 90. 

 Tunicata, I. 

 Tunny, 263. 

 Tupaia, 385. 

 Tupaiidae, 385. 

 Turbinal bones, 75, 338. 

 Turbot, 265. 

 Turkey, 350. 

 Tursiops, 408. 

 Turtles, 310. 



