INDEX 



667 



phemus, 371 f. ; T. sumeirei, 37 (i ; T. 

 vosmaeri, 373, 377 

 Tetradactylus, 559; T. africanus, 559 ; T. 



seps, 559 



Tetrapoda, Credner's name for "four- 

 footed " creatures in opposition to the 

 fishes, which have fins, 4, 11 

 Thalassemydidae, 380 

 Thalassochelys caret t a, individual variation 



of shields, 326, 327, 387; skull, 379 

 Thecophora, definition of term, 337, 338 

 Theobald, on Varanus, 544 

 Theriodontia, 306 

 Theromorpha, 300, 301 ; skull, 280, 301 ; 



their affinity to Mammals, 303 f., 309 

 Theropoda, 420 

 Thilenius, quoted, 571 n. 

 Thoracosaurus, 451 



Thorius, 96, 103 ; TJi. pennatulus, 103 

 Thoropa, 186, 189 ; Th. miliaris, 209 

 Tiger Snake, 634 

 Tiliqua s. Cydodus, 561 

 Toad, see Bufo, 169 ; common Toad, 170, 172 

 Toes, number of, in Urodela, 16 ; in Anura, 



28 ; of Geckos, structure, 505, 505 

 Tomistoma, 435, 450 ; T. schlegeli, 453 

 Tongue, of Amphibia, nerve-supply, 39 ; 

 shape of, in Anura, 47; of Spderpes, 

 106 ; absent in Aglossa, 145 ; of Rana 

 esculenta, 268 ; of Crocodiles, 443 ; of 

 Lacertilia, 498 ; of Chameleons, 569 f. 

 Tortoise, Greek, 365 f. ; habits, 367 f. ; 

 Moroccan, 366 ; habits, 367 f. ; Starred, 

 370 f. ; Gopher, 371 f. ; Gigantic Land- 

 Tortoises, 372 f. 

 Tortoises = Chelonia, 312 f. 

 Tortoise-shell of commerce, 386 

 Trachea, of Crocodiles, 443 

 Trachysaurus, 560, 560 ; T. rvgosus, 560, 



561 



Tree-frogs, 185 f. : change of colour, 35 

 Trematosaurus, 80, 83 

 Triceratops, 413 ; T. prorsus, 430, 430 ; T. 



flabellatus, 4%0 



Trichobatmchus, 240 ; T. robustus, 271 

 Trigonocephalns cenchris, 645, 645, 646, 



646 



Trimerorhachis, N.' 

 Trionychidae, 313 ; distribution, 333 

 Trionychoidea, 313, 314, 404 f- 5 habits, 



407 



Trionyx, nuchal plate, 324 ; skull, 405 ; 

 plastron, 406 ; number of costal 

 plates, 325; T.ferox, 408, 409; T. 

 formosa, 411, 411 ; T. gangeticus, 410, 

 410 ; T. hurum, 410 ; T. triunguis, 410 

 Triprion, 179, 185, 189; T. petasatus, 



207 



Trirhachiodon, 309 



Triton, 122 f., 96, 115, 125, 128, 131 ; 

 fossil, 83 ; spermatophores, 53 ; T. alpes- 

 tris, 123, 126; T. taper, 123, 130; T. 



blasii, 126; T. boscai, 123, 127 ; T. 

 cristatus, 122, 125. 125 ; T. hagen- 

 muelleri, 123 ; T. heheticus, 127 ; T. 

 itulicus, 127 ; T. marmaratus, 122, 126 ; 

 T. montadoni, 127 ; T. montanus, 123, 

 130 ; T. palmatus, 127 ; T. poireti, 

 123 ; T. punctatus = xvlf/aris, 127 ; T. 

 l^yrenaeus, 130 ; T. pyrrhog aster, 123, 

 128 ; T. rusconii, 123, 130 ; T. sinensis, 

 123, 128 ; T. taeniatus = vulgaris, 127 ; 

 T. two&us, 123, 128; T. viridescens, 

 123, 128; egg, 128; T. rittatvs, 122, 

 128; T. vulgaris, 123, 127; T. u-altli, 

 123, 130, 131 



Tritylodon, 301, 309 



Tropidonotus, 607 ; T. natrix, 60S f. ; T. 

 ordinatus, 611; T. sirtalis, 610, 611; 

 T. tesselatus, 611 



Tropidosav.ra, 558 



Tuatera, 293 



Tupinambis, 548; T. teguixin, 54S ; T. 

 nigropunctatus, 548, 548 



Turtles, 378 f. ; skull, 317, 379 ; skeleton, 

 320 ; plastron, 321 ; on Laysaii Islands, 

 383 ; Green or Edible, SSI f. ; Hawks- 

 bill, 384, 385 



Tylototriton, 96, 115 ; T. andersoni, 130 ; 

 T. verrucosus, 132 



Tympanic cavity, reduction of, in Anura, 

 30 ; in Ophidia, 583 



Tympanum of Aglossa, 143 



Typhlomolge, 96 ; T. rathbuni, 135 



Typldonectes, 37, 90; T. compressicauda, 

 93 



Typhlopidae, 592, 593 f. 



TypMops, 91 ; T. bramimts, 594 ! T - 

 vermicnlaris, 594 



Typhlosaurus, 564 



Typhlotriton, 94, 96, 102 ; T. spelaeus, 103 



Uraeotyphlus, 86, 89 



Ureter, 48 f., 49 



Urino-genital organs, 48 f. . 49 



Urocordyhts, 81, 288 



Urodaeum of Chelonia, 330 



Urodela, 94 f. ; geographical distribution, 



96 

 Uromasfi.'-. -~> '4 : (' aeanOtimarta, 526, 



526 ; U. harduncki, 585 

 Uropeltidae, 592, 595 

 ('/opeltis, 595 ; U. grandis, 595 

 r i-< >plates, 512- 

 Uroplatinae, SIS 

 Urostyle, of Anura, 23 ; of Chelonia, 328 



Varanidae, 514, 542 f. ; skull, 542 : dis- 

 tribution, 543 



Varanus, 543; V. gouldi, 546 ; V. grisens, 

 skull, 542; V. nttoticus, 543; 

 salvator, 543 f.. 546 



Vas deferens, 48 f., 49 



Vertebrae, procoelous, definition, 19, 138 ; 



