662 



INDEX 



Omosaurus = Stegosaurus, 4^5 

 Oniosternuni of Aiiura, 25 ; taxonomic 



value, 141 

 Oiiycliodactylus, 96 ; 0. Japonicus, 109 

 Operculum of gills, 44 

 Ojihidtrpeton, SI 

 Opliidia, 491, OcSl f. 

 Ophiophaijus^ G32 

 Ophiojis, 551 

 Ophioxyloa (plant), 629 

 Ophisaurtis, 53S ; 0. cqms, 538 ; 0. 



gracilis, 538 

 Ophthalmosaurus, limbs, 481, 481, 484 

 Opisthocoelous, definition, 12 

 Opisthoglossa, 140 

 Opistlioglypha, 592, 606 f., 623 f. 

 Oppel, on classification, 7 

 Oreobatrachus, 2Ifl 

 Oreophrynella, 227 

 Ornithocheirus, JfSG 

 Oraithomimus, 417 ; 0. grandis, 4^9 

 Ornithopoda, 425, 4-^^ 

 Oniithopsis, 4 10 

 Ornithoscelicla, 416 

 Ornithosuchus, 4-^3 

 Orthocosta, 288, 280 

 Oitliopoda, 4-4 

 Ossifications, dermal, in Anura, 31, -'51 179. 



190, 210, 211 

 Osteoderms = ossifications in the skin, of 

 . Sphargis, 337 ; of Caiman, 337 ; of 



Lizards, 504, 513, 514 

 Osffiilaemus, 450 ; 0. tetraspis, 460 

 Ouaran, 543 



Oudenodoii, 301 ; 0. rugosus, 310 

 Ovary, 49 

 Oviduct, 49, 51 



Owen, on fossil Reptiles, 303 n. 

 Oxydactyla, 140 

 Oxyglussus, 239, 241 



'Pachytriton, 96, 115 ; P. brevip>es, 132 



Painted Terrapin, 347, 348 ; rate of 

 growth, 349 



PaJaeohatraclms, vertebral cohunii, 22, 

 145 



Palueohatteria longicaudata, 291 ; skull, 

 280, 304 



Pidudicala, resembles Engystomops, 166, 

 212,220; P. fiiscomaculata, 220 \ P.bili- 

 gonigera, 221 



Ptiludina, as food of Trionyx, 407 



Parastenium =the sum total of the Abdo- 

 minal ril)s, i/.r. ; of Splienodon, 298 ; of 

 Crocodilia, 440 ; of Ichthyosauria, 480 



Parasuchia, 4^3 



Pareiasauri, 301, 302. 304 



PiireiasanrKs baini, 304 



Parrots, feathers dyed with poison of T>en- 

 dntbatex, 272 



Pelnbnti's, variation of vertebrae, 19 ; 

 sacral vertebra, 22, ICl f. : /'. fuscus, 



162; P.cuUripes,163,iei : P. syriar 



distribution, 161 

 punctatus, 165 ; 



distribution, 



164 

 Pelobatidae, 139, 160 f. 

 Pelodytes, 161, 165; P. 



P. caucasicus, 166 

 Pdomedusa galeata, 391 

 Pelomedusidae, 31S, 314 : 



332, 300 f. 

 Pelosaurris, 81 

 Pelvic, plexus of Anura, 39 

 Pelvis, of Ui-odela, 15 ; of Anura, 22, 27 ; 



of Eryops, 286 ; of Microsauri, 289 : of 



Sphtnodon, 298 ; of Tlieromorpha, 302 ; 



of Pareiasauri, 305 ; of CynngaaUnis, 



307 ; "f Ijiryiiodoiu 310 : of Chelonia, 



319, 319, 320 ; of Pleurodira, 388, 389 ; 

 of Diuosauria, 414 ; of Eusuchia, 441 ; 

 of Flesiosauria, 476 ; of Ichthyosauria, 

 *480 ; of Pterosaui-ia, 485 ; of Pythoiio- 

 niorpha, 489 ; of Lacertilia, 496 



Perennibrauchiata, 8, 9 ; not a natural 

 group, 65 



Petrels living with Sphenodon, 299 



Petrohntes, 288. 289 



Phalanges, number of, in Urodela. 15 ; in 

 Anura, 26, 27, 238 ; in Stegocephali, 

 79; in Palaruhiitteria, 291; in Chelonia, 



320, 321 ; in Ohelone, 379 ; in Scelido- 

 .sairrus, 425 ; in Camptosaurus, 427 ; 

 in Laosaurus, 427 ; in Iguanodon, 428 ; 

 in Eusuchia, 441 ; in Plesiosanria 475 ; 

 in Lariosaxrus, 477 ; in Ichthyosauria, 

 481. 481 ; in Pterosauria, 485. 485 ; 

 shape in Anura, 138 ; peculiar in Piiya, 

 151 



Phaneroglossa, 152 



Phaneroglosses, 139 



Phancrotis, 213 



Phisalix, on poison of Amphibia, 37 



Pholidii.saiirus, 451 



Phractamphibia, 78 f. 



Phrynaglosses, 139 



PhryneUa, 227 ; Ph. jyoUicaris, 233 



/^hn/iiisnts, 226, 227, 230 ; Ph. nigricans, 



230 

 I'hrynubatrachus, 241 

 Phrynocara. 235, 236 

 Phrynoccphalus, 521 ; deserticolous, 493 ; 



coloration, 494 ; Ph. lielioscopus, 522 ; 



Ph. interscapularis, 522; Ph. mystaceus, 



Phrynoderma, 241 



Phnjmrinanti.% 226, 228 



Phrynnpsis, 241 



Phrynosoma, 305, 533; Ph. conmatum, 



534, 535 ; Ph. cornutum, 533, 534 

 PhyUobatex. 242; Ph. bicolor, 242; Ph. 



triuitatis, 242 

 PhyUadactylus, 507 ; Ph. europaeus, 507 

 Phylhidromus, 238, 242 

 Phylhmedusa. 189, 203 f. ; Ph. biculor, 



203 ; Ph. dacnicolor, 203; Ph. hypochon- 



