INDEX 



663 



driah's, breeding habits and develop- 

 ment, ~"^.- Pli.iheriHgi,ii05 ; breeding 

 lialjits, 206 



Phylogeny. of Ainpliibia, 66 ; of Anura, 

 142 f. ; of Reptilia, '282 ; of Laeertilia, 

 515 ; of Opliidia, 592 



Phi/signathiix lesuewi, 5~S, 524 



Pigment in tlie skin, 34 



Piliii. 143, 144. IJ^O f.. 150 



Fit-Vipers, 6^4 



Placodontia, Sll 



Placodus, 301 : P. ffif/cs, Sll 



Plastron, of Chelonia, 315, 321, 321 ; 

 provided ■with hinges, 323 ; sexual 

 characters of, 331 ; movable in Kmi/s, 

 350; of C'ht'loni<lae. 321, 321, 322, 

 380 ; of Pelomedusidae, 390 ; of Clicly- 

 didae, 399 ; of Trionychoidea, 406 



Platecarpus, 4^0 



Platemys, suppression of neural plates, 324 ; 

 skull, 399 



l'lathander= Xenopns, I46 f. 



Platurus fasciatus s. coluhrinus, 637 



Platydactyla, 140 



Phittjdactyh(sfacetani(s, SOU. 508 



Platylujhu 236 



Platypelis, 235, i>36 



Platysternidae, 314, 326, 345 



J'lKtysteriium meyacephcdum, 345 



Plectromant is, ili 



Plesiochelys, 380, 389 



Plesiosauri, 4^7 f- 



Plesiosauria, ^7.? f. ; vertebrae, 474 



Plesiosauridae, 4'^S 



Plesiosaurv.'i, 475, ^7.S* ; /'. conybeari, 4^8 ; 

 P. dolicliodin/s, ^7<9 



Plethodon, 94, 96, IO4, 106 ; P. erythro- 

 notiis, 107 ; P. glvtinosus, 106 



Plethodontinae, 102, 103 



Plethodontohyla, 235, 236 



Pleurodira, 313, 3SS f, 



Plevrosauri's. 294 



Pfeiirostenivm, 390 



P/ifip/afecarp2'.g, 4S9 



Pliosauridae, -^77 



Pliosaurv.s grandis, 477 



Plover, Egyptian, and Crocodile, 462 



Podncnemi's, 390, .i91 ; P. expunsa, 391 f. ; 

 Bates, on habits of, 392 f. 



Poikilothermous, defined, 67 



Poison, of Amphibia, 37, 38 ; peculiar use 

 of, 272 



Poison -a) )paratus, of Heloderma, 540 ; of 

 Snakes, 586 f. 



Polacantlms, Jf2o 



Polychrvs niarmorafi's, 529 



Polyodontcphis, 6O0 n, 



Portschinsky, on parasitic flies. 177 n. 



Po.stpubis, of Dinosaurs. 414, 424. 426 



Pouchet, quoted, 571 



Predentary bone, of Dinosaur, 424 



Prehallux, of Anura, 28 



Prepubis, of Dinosaurs, 414, 424, 426 



Pniganoche/ys, 389 



Proganosauria, 476 



Proreptilia, 2S5 



Prosauri, 290 



Prosauria, 2SS 



I'rostherapis, 242 



Protection of Amphibia by poison, 38 



I'roteidae, 94, 96, 132 f. 



Proteroglossa, 140 



Proteroglypha, 625 



t'roteus, 96 ; P. anguinvs, 133, 134 



Protorosauri, 290, 304 



Prutoi-oscmrns lincki, 291 



Protosphargis, 336 



I'rotostega, 336 



Protriton, 80, 81 



Psammodromus h is2}a}iicus, 558; P. algrms, 



558 

 Psammosaurus, 543 

 Psephoderma, 337 

 Psepltiiphorns, 336, 337 

 Pseudechis pwrphyriaceus, 634 

 Psetidis, 212, 213 ; P. 2Mrado.va, 213 f. 

 Pseudobra Itch IIS, 96 ; P. strintus, 137 

 Pseudocentrous, defined, 79 

 Pseudo2)hryne, 166, 167, 163 ; spawning, 



223; P. oust rails, 168 ; P.bibriml, 168 

 Pseudojins, aberrant scaling, 495 ; P. 



pallasi, 538 

 Pseudosphargis, 336 

 Pseudosuchia, 432 

 Pienopus, 507 ; deserticolous, 494 

 Pteranodon longiceps, 487 

 Pteranodontes, 487 



Pternohyhi, 179. IS'.) ; P. fodiens, 207 

 Pterodactyli, 486 

 Ptenidoctylns hmgirostris, 487 ; P. spect- 



obilis, 487 

 Pterosauri, 486 

 Pterosauria, 484 f- 

 Ptyas = Za men is, 61 1 

 Ptychozoon, tail. 506 ; /'. hmnalocephahan, 



512, 512 ; adhesive a])parafus, 505 

 Pubis, of Dinosaurs, 414, 424, 426 

 Puff Adder, 639, 639 

 Pygopodidae, 514, 567 

 Pyqopus lepidopus, 567 

 Python, 598 ; P. molurus, 600, 600 ; P. 



regiusif^P. sebae, 601; P. reliculaius, 



598 ; P. spdote.^, 598, 599 

 Pythoninae. 598 f. 

 l^ythonomorpha. 487 f. 

 Pyxis arachnoides, 365 



Radde's "law of the steppe," 493 

 lifina, 241, 24.9 f. ; sacral vertebrae, 22 ; 

 shoulder-girdle, 25: urino-genital organs, 

 49 ; Tadpoles' Iwirny teeth, 58 ; vocal 

 sacs, 250 ; nuptial excrescences, 250 ; 

 large glandular complexes, 250; distrilni- 

 tion, 251 ; species with finger - discs. 



