I3»(BEX 



725 



Sympathetic nerves : Craniata, 99* : 



Rabbit, 472 

 Sympleotic, 206. 206 

 Symphysia, 149* 

 Synapticula, of Balanglossns, 5 : Aniphi- 



oxus, 49 

 Syngnathwi, 241 

 Synotus barbdsteltus, 608 

 Syn-sacrum of Pigeon, 387* 

 Syrinx of Pigeon, 398 : Aves, 434 

 Syrrhaptes, 416 

 Systemic heart, 96 



Xadpole, 290, 291, 292: Skull, 271. 

 Aortic arches, 280, 



Tsenia hippocampi, 470, 578 



Tail : Ascidian larva, .36 ; Ampliioxuf, 

 46 : Craniata, 67 



Tail coverts — See Pterylosis, 385 



Tailor-bird, 436 



Talegallus, 631 



Talpa, 507 



Talpicke, 485. 628— See Moles 



Tapetum, 163 



Tapirs, 482, 502, 804, 516, 536, 537, 538, 

 541, 542, 543, 544, 599 



Tapirus, 482 



Tapirua indicus, 542 



Tapirus terreatris, 504 



Tarsals, of Craniata, 83*— see Limb- 

 skeleton 



Tarsipes, 522 



Tarsius, 486 



Tarao-metatarsus, 380*, 393* 



Tasmanian Devil, 494, 663 



Taate-buds, 459, 570, 580 



Taate, organ of, Craniata, 108*, 109 



Tatu, 499 



Teats of Rabbit, 447 : Mammalia, 492* 



Tee Tees, 487 



Teeth, of Craniata, 85, 86 : Petromyzon, 

 124, 128: Myxine, 139: Elasmobranchs, 

 177: Holocephali, 192, 193: Trout, 

 210: Teleostomi, 233: Ceratodua, 250: 

 Frog, 276 : Amphibia, 304 : Lizard, 

 323: Reptilia, 355, 356: Archseopteryx, 

 419 : Rabbit, 458 : Mammalia, 557- 

 570 



Teiidce, 369 



Telencephalon, 100 



TeleoBtei, 220*, 226, 227, 228, 229, 230, 

 234, 236, 238, 239, 240, 241, 242 



TeUoatomi, 66, 196 ; Example, 198 

 Distinctive characters and classifica 

 tion, 217 : External form, 224 : Exo 

 skeleton, 227: Endoskeleton, 229 

 Electric organs, 233: Digestive- organs 

 233 : Respiratory organs, 234 : Air 

 bladder, 236 : Heart, 238 : Brain, 238 



Urinogenital organs, 239 : Reproduc- 

 tion and development, 241 : Geographi- 

 cal distribution, 242 : Distribution in 

 time, 243 



Temporal canal, 518* 



Tendon, of muscle, 274* 



Tensores patagii, 395 



Tentorial plane, 513* 



Terrestrial fauna, 637 



Terns, 416, 4.32, 444 



Tenrec, 649 



Tentacles of Pterobranchia, 9, 11, 13 : 

 Myxine, 139 : Ascidia, 16, 19 



Test-cells of ovum, 32 



Test of Uroehorda, 15, 16 



Teatudo, 634 



'J'e-ihido griKca, 341 



Tetrao, 416 



Tetrazooids, 39* 



Thaliacea, 22* 



Thecodont, 356*, 476* 



Theria, 478*, 513, 515 



Theriodontla, .336 



Theromorpha, 336*, 371, 372 



Thigh, 69— See Hind-limb 



Thomson, Vaughan, 682 



Thomson, Wyville, 683 



Thoracic duct, 574 



Thorax, 72*, 447 



Thornbaoks, 170 



Thread-cells, Myxine, 139 



Three-toed Sloth— See Sloth 



Thrushes, 417, 425 



Thylacine, 494, 524 



Thylacoleo camifex, 603, 604 



Thymus, of Craniata, 88* : Elasmobran- 

 ohii, 178 : Frog, 277 : Pigeon, 397 

 Rabbit, 467 



Thyro-hy,al, 455 



Thyroid, of Craniata, 88* : Elasmobran- 

 chii, 178 : Frog, 277 : Lizard, 328 : 

 Pigeon, 397 : Rabbit, 467 



Thyroid cartilage — See Larynx 



Tibia, 82*, 83 — See Limb-skeleton 



Tibiale, 83* — See Limb-skeleton 



Tibio-fibula, 267, 274 



Tibio-fibulare, 323 



Tibio-tarsus, 393 



Tiger, 545 



Tillodontia, 609 



Tillotherium fodiens, 639 



Tinamous, 416, 427, 4 :•_>, 443, 445 



Tinamus, 416, 427, 4.32, 443, 445 



Tinoceras, 608 



Toads, 264, 293, 294, 296, 304, 308 



Tolypneutes, 499 



Tongue, of Craniata, 87*, 198 — See 

 Digestive organs 



Tooth-pulp, 86* 



Toothed Whales, 480* 



Tornaria, 6, 8 



Torpedo, 176, 177 



