INDEX. 



713 



Pleurolepis pellucidus, 456 

 Pleuroma, 298 

 Pleuruiu of insects, 329 

 Plumutella, 183 

 Pueuinopbora, 134 

 Potlura, 364 

 Pogonias chromis, 443 

 Pogy, 450 

 Poisonous batrnchians, 475 



jelly fish, 67 



siphonophores, 68 



snakes, 497, 499 

 Polycelis, 144 

 Polycladus Gayi, 143 

 Polydora, development of, 233 

 Polykrikos, 37 

 Polymorphism, 654 



in insects, 368 

 Polyodon folium, 428 

 Polypedates, 484 

 Polypide, 181 

 Polyps, coral, 74 

 Polypterus bichir, 431 



Senegalus, 431 

 Polystomeae, 152 

 Polystoinuni iutegerrinuun, 153 

 Polyzoa, development of, 185 



structure of, 180, 188 

 Polyzoarium, 181 

 Pomatomus saltatris, 455 

 Pomolobus pseudoliarengus, 450 

 Poraotis, 455 

 Porcellio, 306, 310 

 Porcupine fish, 462 

 Porifera, 42, 49 

 Porphyrio coerulescens, 545 

 Porpoise, 595 

 Porsana Carolina, 544 

 Portuguese man-of-war, 69 

 Potamotrygon, 424 

 Pourtalesia, 124 

 Prestwichia rotundatus, 322 

 Primates, 618, 629 

 Primnoa reseda, 86 

 Pristis antiquorum, 421 



Perroteli, 421 



Proboscidea, 597, 629 



Procyon lotor, 615 

 Proglottis of tape worms, 156 



trematode worms, 150 

 Prorhyncbus, 216 

 Proscolex of tape worms, 156 



trematode worms, 150 

 Prosimite, 618 

 Protamceba, 19 

 Protaster, 111 



Protective resemblance, 487, 675 

 Proteida, 478, 488 

 Proteus, 478 

 Protista, 2 

 Protohippus, 602 

 Protomonas amyli, 19 

 Protomyxa, 19 

 Protomyxa aurantiaca, 19 

 Protoplasm, 5 

 Protoplasta, 31 

 Protopterus annectens, 430 

 Protozoa, 17, 41 



contractile vesicles of, 32 

 Pseudes paradoxa, 487 

 Pseudobrancluis striatus, 478 

 Pseudocrinus, 108 

 Pseudofilaria, young of gregariua, 



30 



Pseudemys, 510 

 Pseudopleurouectes Americanus, 



460 



Pseudopodia, 23 

 Pseudopus, 502 

 Psolus ephippifer, 133 

 Psychology, 12 

 Ptarmigan, 546 

 Pterauodon, 517 

 Pteraster, 114 

 Pterodactyle, 516 

 Pteropoda, 258, 272 

 Pterosauria, 516, 517 

 Pterotrachea coronata, 271 

 Ptyelus lineatus, 371 

 Puffer fish, 462 

 Pulex irritans, 376 

 Pulmonata, 265 



