716 



INDEX. 



Pneumophora, 134 



Podostomata, 295 



Podura, 344 



Pogonias chromis, 443 



Pogy, 450 



Poisonous batrachians, 475 



jelly fish, 67 



snakes, 497, 499 

 Polycelis, 102 

 Polycladus Gayi, 101 

 Polydora, development of, 171 

 Polykrikos, 37 

 Polymorphism, 654 



in insects, 348 

 Polyodon folium, 428 

 Polypedates, 484 

 Polypide, 181 

 Polyps, coral, 74 

 Polypterus bichir, 428 



Senegalus, 428 

 Polystoinese, 110 

 Polystomum integerrimum, 111 

 Polyzoa, development of, 143 



structure of, 138, 146 

 Polyzoarium, 139 

 Pomatomus ealtatrix, 455 

 Pomolobus pseudoharengus, 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, 206 

 Prestwichia rotundatus, 302 

 Primates, 618, 629 

 Primnoa reseda^ 86 

 Pristis antiquorurn, 421 



Perroteli, 421 

 Proboscidea, 597, 629 

 Procyon lotor, 615 



Proglottis of tape worms, 156 

 trematode worms, 150 



Prorhynchus, 196 



Proscolex of tape-worms, 114 

 trematode worms, 108 



Prosimiae, 618 



Protamoaba, 19 



Protaster, 193 



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, 464 



Protozoa, 17, 41 



contractile vesicles of, 32 



Pseudemys, 510 



Pseudes paradoxa, 487 



Pseudobranchus striatus, 478 



Pseudocrinus, 190 



Pseudofilaria, young of gregarina, 

 30 



Pseudopleuronectes AmericanuS; 

 460 



Pseudopodia, 23 



Pseudopus, 502 



Psolus ephippifer, 215 



Psychology, 12 



Ptarmigan, 546 



Pteranodon, 517 



Pteraster, 196 



Pterodactyle, 516 



Pteropoda, 238, 252 



Pterosauria, 516, 517 



Pterotrachea coronata, 271 



Ptyelus lineatus, 350 



Puffer fish, 462 



Pulex irritans, 356 



Pulmonata, 245 



