INDEX, 



Paleontology - - 70 

 Palato - pterygo - quadrate 



cartilage - - - - 417 



Palp 211 



Panda .... ^g^^ 



Pangolin - - - -, 560 



Panniculus adiposus - - 453 



II carnosus - - 453 



Parachordals of skull - - 416 



Paramoecium - - - 89 



Parapodia - - - - 239 



Parasitism - - - - 75 



Parasphenoid - - - 416 



Parenchyma - - - 139 



Paroccipital process - - 499 



Parthenogenesis - - - 44 



Paunch - - - - 514 



Peccaries . - - - ^75 



Pecora .... ^76 



Pectines of scorpion - - 258 



Pectoral girdle - - - 4^9 



Pedipalpi - - - - 258 



Pelagic life - - - 57 



Pelvic girdle - - - 419 



Peragale - - - - 501 



Peramelida3 - - - 502 



Pericardium - - - 425 



Peripatus - - - - 231 



Periptychus - - - 567 



Perissodactyla - - -571 



Periwinkle - - - - 284 



Petaurus - - - - 504 



Petromyzon - - - 434 



Phalangeridse - - - 504 



Phalanges - - - - 420 



Phascolarctos - - - 504 



Phascolomyidse - - - 504 



Phascolonus - - - 505 



Phenacodus - - - 566 



Phocaena . - - - 542 



Phocidse - - - - 584 



Phylogeny - - - - 48 



Physeteridse - - - 579 



Physiology - - - - 14 



Physical relations of animals 7 1 



Physostomi - - - 438 



Pigs 575 



Pigeon - - . . 360 



Pineal body - - - 407 



Pinnacocyte - - - 105 

 M. 



Pinnipedia 

 Pipe-fishes - 

 Pisces {^see Fishes) 

 Pisiform 



Pituitary body - 

 Placenta of Mammals - 



Placentation, classification of 482 



Placoid scales - - - 436 



Plankton - - - - 58 



Plants and animals - - 10 



Planula larva - - -51 



Plastron . . . . 444 



Platanista - - . . 579 



Platyhelminthes - - - 149 



Plectognathi - - - 438 



Pleurobranchs of crayfish - 220 



Pleurodont teeth - - 441 



Pluteus larva - - - 176 

 Pneumogastric nerve (see 



Vagus) - - . - 408 



Podobranchs of crayfish - 220 



Polar bodies - - - 42 



Polychaita - - - - 239 



Polygordius - - - 179 



Polyprotodontia - - - 501 



Polypterus - - ' - - 437 



Polyzoa (see Bryozoa) - - 177 



Porcupine - - - - 564 



Porifera - - - - 108 



Porpoise - - - - 542 



Prawn . . . . 244 



Preen gland of pigeon - 361 



Primary vesicles of brain - 406 



Primates - - . . 586 



Primitive streak - - - 376 



Proboscidea - - - 5 70 



Procoelous - - - - 350 



Procyonidae - - - 583 



Proechidna- - - - 493 



Proglottis - - - - 144 



Pronephros - - - 426 



Propterygium - - - 327 



Protandric - - - - 269 



Protective resemblance - 76 



Protelidae - - - - 581 



Proteus - - - - 440 



Protocercal - ^ - - 436 



Protogynous - - - 293 



Protoplasm " " " 5 



Protopterus - - - 439 



4i 



