662 



INDEX 



Onwsaurus = Stegosmirus, 4^5 

 Oniosternuin of Anm\a, 25 ; taxonomic 



value, 141 

 Onycliodadyliis, 96 ; 0. japunicus, 109 

 Operculum of gills, 44 

 Ophiderpeton, 81 

 Ophidia, 491, 5S1 f. 

 Ophiojjhagas, 632 

 O/i/iiops, 551 

 Ophio.rijlou (plant), 629 

 Ophisaurus, 538; 0. (qms, 538; 0. 



gracilis, 538 

 Ophthalinosmirus, limbs, 481, 481, 484 

 Opisthocoelous, definition, 12 

 Opistlioglossa, 140 

 Opisthoglypha, 592, 606 t, 623 f. 

 Oppel, on classitication, 7 

 Orrnhatrurhiis, 2^1 

 <'h;-npl,ni,ielhi, 227 

 Ornithin-heinis, 486 

 OrnithoDiimus, 417 ; 0. gmndis, 439 

 Ornithopoda, 425, 42^ 

 Ornithopsis, 419 

 Ornithoscelida, 416 

 Omithosuchus, 4-^3 

 ihihncosta, 288, 289 

 Orthopoda, 4'-4 

 Ossifications, dermal, in Anura, 31, 34 179, 



•190, 210, 211 

 Osteoderms = ossitications in the skin, of 



Spharqis, 337 ; of Cainmn, 337 ; of 



Lizards, 504, 513, 514 

 Osteolaemus, 450 : 0. tetraspis, 460 

 Ouaran, 543 



Oudenodon, 301 ; 0. rugosus, 310 

 Ovary, 49 

 Oviduct, 49, 51 



Owen, on fossil Reptiles, 303 n. 

 Oxydactyla, 140 

 Oxyglossus, 239, 241 



I'Kchj/triton, 96, 115 ; I', hrevipes, 132 



Painted Terrapin, 347, 348 ; rate of 

 growth, 349 



PalaeohatracliKS, vertebral column, 22, 

 145 



Pttlaeohatteria longicuudata, 291 ; skull, 

 280, 304 



Pcdudicnla, resembles Engystomops, 166, 

 212, 220; P.fuscomaculata, 220 ; P. hUi- 

 gonigera, 221 



Paludina, as food of Trionyx, 407 



Parasternum = the sum total of the Abdo- 

 minal ribs, q.i: ; of Sphenodon, 298 ; of 

 Crocodilia, 440 ; of Ichthyosauria, 480 



Parasuchia, 433 



Pareiasauri, 301, 302, 304 



Pareiasaurii.'i baiid, 304 



Parrots, feathers dyed with poison of Den- 

 drohates, 272 



Pdobates, variation of vertebrae, 19 ; 

 sacral vertebra, 22, 161 f. : /'. /uncus, 



162; P.ci(itn2KS,163,16i ; P. si/riarus, 



164 

 Pelobatidae, 139, 160 f. ; distribution. 161 

 Peli'dytes, 161, 165; P. punctatus, 165; 



P. caucasicus, 166 

 Pelomedusa galeata, 391 

 Peloniedusidae, 313, 314 : distribution, 



332, 390 f. 

 Pt'liisaiims, 81 

 Pelvic, plexus of Amira, 39 

 Pelvis, of Urodela, 15 ; of Anura, 22, 27 ; 



of Eryops, 286 ; of Microsauri, 289 ; of 



Sphenodon, 298 ; of Theromorpha, 302 ; 



of Pareiasauri, 305 ; of Cynngnathns, 



307 ; of Dicynodoa, 310 ; of Chelonia, 



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

 of Dinosauria, 414; of Eusuchia, 441; 

 of Plesiosauria, 476 ; of Ichthyosauria, 

 480 ; of Pterosauria, 485 ; of Pythono- 

 morpha, 489 ; of Lacertilia, 496 



Perennibranchiata, 8, 9 ; not a natural 

 group, 65 



Petrels living with Spke7iodon, 299 



Petrobcdes, 288, 289 



Phalanges, number of, in Urodela, 15 ; iu 

 Anura, 26, 27, 238 ; iu Stegocephali, 

 79 ; in Pcdaeohatteria, 291 ; in Chelonia, 



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

 saui'us, 425 ; in Qamptosaxrus, 427 ; 

 in Laoscmrus, 427 ; in Iguaiiodon, 428 ; 

 in Eusuchia, 441 ; in Plesiosauria 475 ; 

 in Lariosaurus, 477 ; in Ichthyosauria, 

 481, 481 ; in Pterosauria, 485, 485 ; 

 shape in Anura, 138 ; peculiar in Pipa, 

 151 



Phaneroglossa, 152 



Phaneroglosses, 139 



I'hanerotis, 213 



Phisalix, on poison of Amphibia, 37 



Pholidosanrv.s, 451 



Phractaniphibia, 78 f. 



Phrynaglosses, 139 



Phryndla, 227 ; Ph. 2)olUcaris, 233 



Phryniscus, 226, 227, 230 ; Ph. nigricans, 



230 

 Phrynohafrachus, 241 

 P/n'i/nocarc, 235, 236 

 Phrynocephalus, 521 ; deserticolous, 493 ; 



coloration, 494 ; Ph. helioscopus, 522 ; 



Ph. irder scapular is, 522; Ph. mystaceus, 



522 

 Phrynoderma, 241 

 Phrynomnntis, 226, 228 

 Phryna/i.-iis, 241 

 Phrynosoma, 305, 533; Ph. coronatum, 



534, 535 ; Ph. cornutvm, 533, 534 

 Phyllnhates. 242; Ph. hicolor, 242; Ph. 



trinitatis, 242 

 I'liyllodactyhis, 507 ; Ph. enropaeus, 507 

 PhyUodromus, 238, 242 

 Phyllo medusa, 189, 203 f. ; Ph. bicolor, 



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



