INDEX. 



713 



Pleurolepig pellucidus, 456 

 Pleuroma, 298 

 Pleurum of insects, 329 

 Pluniatella, 182 

 Pneumophora, 134 

 Podura, 364 

 Pogouias cliromis, 443 

 Pogy, 450 

 Poisonous batrachians, 475 



jelly fish, 67 



siplionopliores, 68 



snakes, 497, 499 

 Polycelis, 144 

 Polycladus Gayi, 143 

 Polydora, development of, 233 

 Polykrikos, 37 

 Polymorphism, 654 



in insects, 368 

 Polyodou folium, 428 

 Polypedates, 484 

 Polypide, 181 

 Polyps, coral, 74 

 Polypterus bicliir, 431 



Senegalus, 431 

 Polystomeae, 152 

 Polystomum integerrimum, 153 

 Polyzoa, development of, 185 



structure of, 180, 188 

 Polyzoarium, 181 

 Pomatomus saltatrix, 455 

 Pomolobus pseudoliarengus, 450 

 Pomotis, 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 

 Prestwi cliia rotund atus, 322 

 Primates, 618, 629 

 Primnoa reseda, 86 

 Pristis antiquorum, 421 

 Perrotcli, 421 



Proboscidea, 597, 629 



Procyon lotor, 615 



Proglottis of tape woims, 156 

 trematode worms, 150 



Prorbynchus, 216 



Proscolex of tape worms, 156 

 trematode worms, 150 



Prosimia?, 618 



Protamceba, 19 



Protaster, 111 



Protective resemblance, 487, 675 



Proteida, 478, 488 



Proteus, 478 



Protista, 2 



Protoliippus, 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 



Pseudobranclius striatus, 478 



Pseudocrinus, 108 



Pseudofilaria, young of gregariua, 



30 



Pseudemys, 510 

 Pseudopleuronectes Americanus, 



460 



Pseudopodia, 23 

 Pseudopus, 502 

 Psolus epbippifer, 133 

 Psycliology, 12 

 Ptarmigan, 546 

 Pteranodou, 517 

 Pteraster, 114 

 Pterodactyle, 516 

 Pteropoda, 258, 272 

 Pterosauria, 516, 517 

 Pterotracliea coronata, 271 

 Ptyelus lineatus, 371 

 Puffer fish, 462 

 Pulex irritans, 376 

 Pulmonata, 265 



