INDEX 



667 



phevms, 371 f . ; T. sumeirci, 37'!; T. 

 vosmaeri, 373. 377 



Tetradadylus, 5o9 ; T. ofricanus, -Jo'J ; T. 

 seps, 559 



TetrapocUi, Credner's name for " four- 

 foote<l " creatures in opposition to the 

 lishes, wliicli have tins, 4, 11 



Thalasseniydidae, 380 



Thtdassoclu'lys carettc, imlividual variation 

 of shields, 326, 327, 3S7: skull, 379 



Thecophora, definition of term, 337, 33S 



Theobald, on Vuratitts, 544 



Theriodnntia, 3U(i 



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

 their allinity to Mammals, 303 f.. 30L» 



Theropoda, 4^ 



Thileuius, quoted, 571 11. 



Thoracosttvru,% 451 



Thorius, 96, WS ; Th. pennatulus, 103 



Thoropa, 186, ISO ; Th. miliaris, 200 



Tiger Snake, 634 



7'i7iqiia s. Ci/clodus, 561 



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

 28 ; of Geckos, structure, 505, 505 



Tomistoma, 435, 436, 4<>0 ; T. schlegdi, 

 453 



Tongue, of Amphibia, nerve-supply, 39 ; 

 shape of, in Anura, 47; of Speleipcs, 

 106 ; absent in Aglossa, 145 ; of Jiaiia 

 esculenta, 268 ; of Crocodiles, 443 ; of 

 Lacertilia, 498 ; of Chameleons, 569 f. 



Tortoise, Greek, 3G5 f. ; habits, 367 f. ; 

 Moroccan, HOC ; habits, 367 f. : Starred, 

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

 Tortoises, 372 f. 



Tortoises = Chelouia, 312 f. 



Tortoise-shell of commerce, 386 



Trachea, of Crocodiles, 443 



Trnchysaiinin. 560, o'jO ; T. nigosus, 560, 

 561 



Tree-frogs, 1S5 f. : change of colour. 35 



Trematosaurvs, 80, S3 



Triceratops, 413 ; T. jirorsus, 430, 430 ; T. 

 flabellatus, 4-iO 



Trichobatrachus, 240 ; T. rnhiistus, 271 



Trigonocephalvs cenchns, 645, 645, 646, 

 646 



Truiierorhachis, 82 



Trionychidae. 313 ; distribution, 333 



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

 407 



Trioiuj.':, nuchal plate, 324 ; skull, 405 ; 

 plastron, 406 ; number of costal 

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

 fiirnuisa, 4II, 411 ; T. ffanfjeticvs, 4IO, 

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



Tiiprion. 179, 185, ISO; T. petamtus, 

 207 



Trirhachiodon, 300 



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

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

 iris. V23.126; T. o.spcr, 123, UO ; T. 



hhisii, U6 ; T. hiscui, 123, 127 ; T. 

 ci-istatiis, 122, 125. 125 : T. Iiagen- 

 mnelleri, 123; T. hdveticus, 127; T. 

 italims, 127 ; T. mannm-atus, 122, 126 ; 

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

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

 123; T. jjunctalKS — ridgari.s, 127; T. 

 purenaeus, ISO ; T. jiyt'i'liogmtler. 123, 

 12s ; T. rusconii, \2'i, ISO ; T. sinetisis, 

 123, 12s ; T. foe)iiati's = vidgan.% 127 ; 

 T. torosus, 123, 12S ; T. riridesceiis, 

 123, 12s ; egg, 128; T. rittoli's, 122, 

 12s ; T. vnlqaris, 123, 127; T. vmUli, 

 123, 130, 131 



Ti-ifjjiodou, 301, 309 



Tropidomtus, 607 ; T. natrix, 60S L ; T. 

 ordinatus, 611 ; T. sirtalis, 610, <>11 ; 

 T. tesselatus, 611 



Trop idosan ro , 55S 



Tupinamhis, 54S ; T. tegvixin, 54S ; T. 

 riigropvndatus, 54s. 548 



Turtles, 37S f. ; skull, 317, 379 : skeleton, 

 320 : plastron, 321 ; on Laysan Islands, 

 383 ; Green or Edible, 3S1 f. ; Hawks- 

 bill, 3S4, 385 



Tyh.tiitritnn, 96, 1 15 ; T. uudersmil, 130; 

 T. verrucosus, 132 



Tympanic cavitv, reduction of. in Anura, 

 30 ; in Ophid'ia. 583 



Tympanum of Aglossa, 143 



Typldomolge, 96 ; T. rathhwiii, 135 



TyjMonedes, 87, 90 ; T. compressicavda, 

 ^03 



Typhlopidae, 592, 593 f. 



Typhlops, 91 ; T. brcnnhms, 594 •' T- 

 ceniiiciddris, 594 



TypiMosaurus, 564 



Typhi oir if 0)1, 94, 96, 102 ; 7'. spdnens, 

 103 



Uroeotyjjldvs, 86, 89 



Ureter, 48 f.. 49 



Urino-genital organs, '48 f. . 49 



Urocordylvs, SK 288 



Urodaeum of Chelonia, 330 



Urodela, 94 f. ; geographical distribution, 



96 

 ('romasfix, 524; U. ocanthinw-us, 526, 



526 : U. hardifidci, 525 

 rrojicltidae, 592, 595 

 rropeltis, 595 ; U. grandis, 595 

 Crnp/ates, 512 

 Uroplatinae, 512 

 Urostyle, of Anura, 23 ; of Clielonia, 328 



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

 tribution, 543 



Varfurus, 543 ; V. goiddi, 546 ; V. griseiis, 

 skull, 542; V. ndolicus, 543; V. 

 sahcdiir, 543 f.. 546 



Vas deferens, 48 f., 49 



Vertebrae, procoelous, definition, 1'.'. 138; 



