716 



INDEX. 



Pneumophora, 134 



Podostomata, 295 



Podura, 344 



Pogonias chromis, 448 



Pogy, 450 



Poisonous batrachians, 475 



jelly flsb, 67 



snakes, 497, 499 

 Polycells, 144 

 Polycladus Gayi, 143 

 Polydora, development of, 213 

 PolykrikoB, 37 

 Polymorphism, 654 



in Insects, 348 

 Polyodon folium, 428 

 Polypedates, 484 

 Polypide, 181 

 Polyps, coral, 74 

 Polypterus bicliir, 431 



Senegalus, 431 

 PolystomesB, 152 

 Polystomum integerrimum, 153 

 Polyzoa, development of, 185 



stmcture of, 180, 188 

 Polyzoarium, 181 

 Pomatomus saltatrix, 455 

 Pomolobus pseudoliarenguB, 450 

 Pomotis, 455 

 Porcellio, 286, 290 

 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, 302 

 Primates, 618, 629 

 Primnoa reseda, 86 

 Pristis antiquonim, 421 



Perroteli, 421 

 Proboscidea, 597, 629 

 Procyon lotor, 615 



Proglottis of tape worms, 156 

 trematode worms, 150 



Prorhynchus, 196 



Proscolex of tape worms, 156 

 trematode worms, 150 



Prosimiae, 618 



Protamceba, 19 



Protaster, 111 



Protective resemblance, 487, 675 



Proteida, 478, 488 



Proteus, 478 



Protista, 2 



Protoliippus, 603 



Protomonas amyli, 19 



Protomyxa, 19 



Protomyxa aurantiaca, 19 



Protoplasm, 5 



Protoplasta, 31 



Protopterus annectens, 430 



Protozoa, 17, 41 



contractile vesicles of, 32 



Pseuderays, 510 



Pseudes paradoxa, 487 



Pseudobranchus striatus, 478 



Pseudocrinus, 108 



Pseudofllaria, young of gregarina, 

 30 



Pseudopleuronectes Americanus, 

 460 



Pseudopodia, 23 



Pseudopus, 502 



Psolus ephippifer, 133 



Psychology, 12 



Ptarmigan, 546 



Pteranodon, 517 



Pteraster, 114 



Pterodactyle, 516 



Pteropoda, 238, 253 



Pterosauria, 516, 517 



Pterotrachea coronata, 271 



Ptyelus lineatus, 350 



Puffer fish, 463 



Pulex irritaiis, 356 



Pulmonata, 245 



