INDEX 



667 



phemus, 371 f. ; T. sumeini, 376 ; T. 

 vosmaei'i, 373, 377 



fetradactylus, 559 ; T.afHcanus,569 ; T. 

 seps, 559 



Tetrapoda, Credner's name for "four- 

 footed " creatures in opposition to the 

 tislies, which have fins, 4, 11 



Thalassemydidae, 380 



Tludassochelys caretta, individual variation 

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



Thecophora, definition of term, 337, 33S 



Theobald, on Varanns, 544 



Theriodontia, 306 



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

 their affinity to Mammals, 303 f., 309 



Theropoda, 4SO 



Thilenius, quoted, 571 n. 



Thoracosaurns, J^l 



Tharius, 96, lOS ; Th. pennatulus, 103 



Thoropa, 186, 189; Th. lailiaris, 209 



Tiger Snake, 634 



Tiliqua s. Cydodus, 561 



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

 28 ; of Geckos, structure, 505, 505 



TomistvMa, 435, 436, 450; T. schlegeli, 

 453 



Tongue, of Amphibia, nerve-supply, 39 ; 

 shape of, in Anura, 47; of Spderpes, 

 106 ; absent in Aglossa, 145 ; of liana 

 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 = C'helonia, SIS f. 



Tortoise-shell of commerce, 386 



Trachea, of Crocodiles, 443 



Trachysaurus, 560, 560 ; T. rugosm, 560, 

 561 



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



Treviatosauims, 80, S3 



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

 fiabellatus, 4^0 



Trichohatrachus, 340 ; T. robitstus, 271^ 



Trigonocephalus cenchris, 645, 645, 646, 

 646 



Trimerorhachis, 82 



Trionychidae, 313 ; distribution, 333 



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

 407 



Trioiiyx, nuchal plate, 324 ; skull, 405 ; 

 plastron, 406 ; number of costal 

 plates, 325 ; T. ferox, 4O8, 409 ; T. 

 fomiosa, 411, 411 ; T. gaageticus, 410, 

 410 ; T. hurum, 410 ; T. triunguis, 4IO 



Triprimi, 179, 185, 189; T. iidasatus, 

 207 



Trirhachiodon, 309 



Triton, 1S2 f., 96, 115, 125, 128, 131 ; 

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

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



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

 cristatus, 122, J25. 125 ; T. hagen- 

 muelleri, 123; T. hdrdirus, 127; T. 

 italicus, 127 ; T. niiinuiinitHs, 122, 126 ; 

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

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

 123; T. punctatits = vulgaris, 127; T. 

 pyrenaeus, ISO; T. pyrrhogaster, 123, 

 12s ; T. ■rusconii, 123, 130 ; T. sinensis, 

 123, 128 ; T. taeniatvs = i)ulgaris, 127 ; 

 1'. torosus, 123, 13S ; T. viridescens, 

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

 128; T. vidgaris, 123, 127 ; T. wcdtli, 

 123, 130, 131 



Tritylodon, 301, 309 



Tropidonotus, 607 ; T. natrix, 608 f. ; T. 

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

 T. tesselahts, 611 



Tropidosaura, 558 



Tupinambis, 548; T. fcguixin, 548; T. 

 nigropvndatns, 548, 548 



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

 320 ; plastron, 321 ; on Laysan Islands, 

 383 ; Green or Edible, 381 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 



Typililomolge, 96 ; T. rathbuni, 135 



Typhlonectes, 87, 90 ; T. compressicauda, 

 93 



Typhlopidae, 592, 593 f. 



Typhlops, 91 ; T. braminus, 594 ; T. 

 vermicularis, 594 



Typhlosaurus, 564 



Ty2Motnton, 94, 96, 102 ; T. spelaeus, 

 103 



Uraeotyphlus, 86, 89 



Ureter, 48 f , 49 



Urino-genital organs, 48 f. , 49 



Urocordylus, 81, 288 



Urodaeum of Chelonia, 330 



Urodela, 94 f. ; geographical distribution, 



96 

 Uromastix, 524; U. amnthinurus, 526, 



526 ; U. harduficki, 525 

 Uropeltidae, 592, 595 

 XJropeltis, 595 ; V. grandis, 595 

 Uroplates, 512 

 Uroplatinae, 51f^ 

 Urostyle, of Anura, 23 ; of Chelonia, 328 



Varanidae, 514 54^ f. ; skuU, 542 ; dis- 

 tribution, 543 



Yaranus, 543 ; V. gmddi, 546 ; Y.griseus, 

 skull 542 ; V. niloticus, 543 ; V- 

 salvator, 543 f.. 546 



Vas deferens, 48 f., 49 



Vertebrae, procoelous, definition, 19, 138 ; 



