716 



INDEX. 



Pueumophora, 134 



Podostomata, 295 



Podura, 344 



Pogonias cbromis, 443 



Pogy, 450 



Poisonous batrachians, 475 



jelly fish, 67 



snakes, 497, 499 

 Polycelis, 144 

 Polycladus Gayi, 148 

 Polydora, development of, 313 

 Polykrikos, 37 

 Polymorphism. 654 



in insects, 348 

 Polyodon folium, 438 

 Polypedates, 484 

 Polypide, 181 

 Polyps, coral, 74 

 Polypterus bicliir, 431 



Senegal us, 431 

 Polystomese, 153 

 Polystomum integerrimum, 158 

 Polyzoa, development of, 185 



sti-ucture of, 180, 188 

 Polyznarium, 181 

 Pomatomus saltatrix, 455 

 Pomolobus pseudoharengus, 450 

 Pomotis, 455 

 Porcellio, 286, 290 

 Porcupine fish, 462 

 Porifera, 43, 49 

 Porphyrio coerulescens, 545 

 Porpoise, 595 

 Porsana Carolina, 544 

 Portuguese man-of-war, 69 

 Potamoirygon, 424 

 Pourtalesia, 124 

 Prestwichia rotundatus, 302 

 Prmiates, 618, 629 

 Primnoa reseda, 86 

 Pristis anliquorum, 421 



Perroteli, 421 

 Proboscidea, 597, 629 

 Procyon lotor, 615 



Proglottis of tape worms, 156 

 trematode worms, 150 

 Prorhyucbus, 196 

 Proscolex of tape worms, 156 

 trematode worms, 150 

 Prosimiae, 618 

 Prolamceba, 19 

 Protaster, 111 



Protective resemblance, 487, 67c 

 Proteida, 478, 488 

 Proteus, 478 

 Protista, 2 

 Protoliippus, 603 

 Protomonas amyli, 19 

 Prolomyxa, 19 

 Protoniyxa aurantiaca, 19 

 Protoplasm, 5 

 Protoplasta, 31 

 Protopterus annectens, 430 

 Protozoa, 17, 41 



contractile vesicles of, 32 

 Pseudemys, 510 

 Pseudes paradoxa, 487 

 Pseudobrancbus striatus, 478 

 Pseudocrinus, 108 

 Pseiidotilaria, young of gregarina. 



30 

 Pseudopleurouectes Americanus,_ 



460 

 Pseudopodia, 23 

 Pseudopus, 502 

 Psolus epliippifer, 133 

 Psychology, 13 

 Ptarmigan, 546 < 



Pteranodon, 517 

 Pteraster, 114 

 Pterodactyle, 516 

 Pteropoda, 238, 353 

 Pterosauria, 516, 517 

 Pterotrachea coronata, 271 

 Ptyelus lineatus, 350 

 Puffer fisli, 462 

 Pulex irrilans, 356 

 ' Pulnionala, 245 



