IXDEX. 



695 



Pletholax, 350 1 . 

 Pleuracanthidae, 57. 

 Pleuracanthus, 147, 148; 



pectoral fin, 132. 

 Pleuras pidotheriu in , 



611 1 . 



Pleurocentrum, 161. 

 Pleurodira, 414. 

 Pleurodont, 343. 

 Pleurogrammus, 242 1 . 

 Pleuronectes, 195, 212, 



240^. 



Pleuronura, 315 1 . 

 Pleuropterygii, 145. 

 Pleurorachic, 57. 

 Pleurosaurus, 334. 

 Plica semihunaris, 497. 

 Pliohippus, 596 2 . 

 Pliohyrax, 567 ', 

 Plionemus, 239 1 . 

 Pliopithecus, 660 2 . 

 Pliosaurns, 398 1 . 

 Ploceidae, 477 2 . 

 Plohophorus, 548 1 . 

 Plotosus, 221 *. 

 Plotus, 461 2 . 

 Plover, golden, green, j 



ringed, 467 l . 

 Plumulae, 421. 

 Pluvianus, 467 2 . 

 Pneumatic duct, 65. 

 Pneumaticity of birds, ! 



419. 



Pneustes, 351 ] . 

 Pocket-gopher, 634 2 . 

 Podabrus, 242 ^ 

 Podargus, 472 2 . 

 Podica^ 466 2 . 

 Podicipes, 460 2 . 

 Podocnemis, 414 2 . 

 Podothecus, 242 2 . 

 Poebothrium, 587 1 . 

 Poecilia, 227 1 . 

 Poeciloconger, 224 2 . 

 Poecilogale, 624 2 . 

 Poephagus, 591 2 . 

 Pogonias, 203, 235 2 . 

 Pogonodon, 619 1 . 

 Pogonomys, 633 1 , 634 1 , 

 Pogonoporca, 235 1 . 

 Pogonorhynchus, 473 2 . 

 Poiana, 620 l . 

 Poison, snakes, 364. 

 Poison- fangs, snakes, 



359. 

 Poison- sflands, snakes, 



360. 



Poisonous lizard, 352 1 . 

 Poisonous Teleostei,2 1 1 . 



Polecat, 624 2 . 

 Polemon, 369 1 . 

 Pollack, 232 2 . 

 Pollan, 21 6 2 . 

 Polyacauthus, 237 1 . 

 Polyborus, 463 2 . 

 Polycaulus, 242 1 . 

 Polychrus, 351 l . 

 Polydactylus, 231 2 . 

 Poly mastodon, 541 2 . 

 Polar bodies of Amphi- 



oxus, 32. 

 Polymixia, 234 1 . 

 Polynemus, 231 2 . 

 Polyodon, 160,163,164, 



168, 169, 170. 

 Polyodontophis, 367 1 . 

 Polyplectron, 465 2 . 

 Polyprion, 235 '. 

 Polyprotodontia, 538. 

 Polypterus, 72, 160, 161, 



162, 163, 166, 176; 



male genital duct, 89 ; 



skull, 1 72 ; heart, 174. 

 Polyptychodon, 398 l . 

 Pomacanthus, 237 1 . 

 Pomacentrus, 237 2 . 

 Pomadasis, 236 1 . 

 Pomatomus, 234 2 , 239 2 . 

 Pomodon, 235 1 . 

 Pomolobus, 214 2 . 

 Pomoxis, 234 1 . 

 Pond-tortoise, 41 3 2 . 

 Pons varolii, 495. 

 Pontinus, 242 1 . 

 Pontistes, 563 1 . 

 Pontivaga, 563 l . 

 Pontoporia, 563 1 . 

 Pope, 234 2 . 

 Porbeagle, 151 2 . 

 Porcupine, 635 1. 

 Porcupine-fish, 247 2 . 

 Porgy, 236 l . 

 Porichthys, 244 1 . 

 Poromera, 353-. 

 Porpoise, 563 2 . 

 Portal circulation, 86. 

 Portheus, 215 1 . 

 Port- Jackson shark, 150 

 Posterior commissure, 



71. 



Posterior temporal ar- 

 cade, 320. 



Potamochaerus, 581 *. 

 Potamogale, 640 2 . 

 Potorous, 530, 535 2 . 

 Powder-downs, 421. 

 Power, 232 2 . 

 Praecoces, 451. 



Prairie-hen, 465 2 . 



Praopus, 547 2 . 



Pratincola, 475 2 . 



Pratincole, 467. 



Predentata, 386. 



Premandibular somite, 

 73. 



Premolar, 501. 



Preoral cavity, 8. 



Preoral pit, XO, 21. 



Preoral somite, 73. 



Prepuce, 515. 



Prespiracular cartilage, 

 129. 



Priacanthus, 201, 235 1 . 



Priacodon, 540 1 . 



Price on excretory or- 

 gans of Bdellostoma, 

 87. 



Primaries, 423. 



Primary gill-slit, 22. 



Primary tubules, 292. 



Primates, 653. 



Priodon, 547 1 . 



Priodontes, 547 1 , 547. 



Prion, 461 1. 



Prionistius, 242 2 . 



Prionodactylus, 352 2 . 



Prionodon, 126, 151 1 , 

 620 1 . 



Prionodura, 477 1 . 



Prionotus, 243 1 . 



Prionurus, 237 l . 



Pristidactylus, 351 *-. 



Pristigaster, 214 2 . 



Pristiophorus, 153 ; 

 snout, 119. 



Pristipoma, 236 l . 



Pristis, 153; snout, 119. 



Pristiurus, 118, 150; 

 spiracle, 120. 



Pristurus, 349 2 . 



Proaelurus, 619 1 . 



Proatlas, 373. 



Proboscis cavity, 7. 



Proboscidea,567 ; affini- 

 ties of, 571. 



Procamelus, 587 1 . 



Procavia, 566, 566 2 . 



Procellaria, 461 1 . 



Procellariiformes, 461 l . 



Processus falciformis, 

 195. 



Prochilodus, 217 1 . 



Procoelous, 317. 



Procolophon, 400 1 . 



Proctodaeum, 48. 



Proctoporus. 352 2 . 



Procyon, 623 2 . 



