716 



INDEX. 



Pneumophora, 134 



Podostomata, 295 



Podura, 344 



Pogonias chromis, 443 



Pogy, 450 



Poisonous batrachians, 475 



jelly fish, 67 



snakes, 497, 499 

 Polycelis, 144 

 Polycladus Gayi, 143 

 Polydora, development of, 213 

 Polykrikos, 37 

 Polymorphism, 654 



in insects, 348 

 Polyodou folium, 428 

 Polypedates, 484 

 Polypide, 181 

 Polyps, coral, 74 

 Polypterus bichir, 431 



Senegal us, 431 

 Polystomete, 152 

 Polystomum integerrimum, 153 

 Polyzoa, development of, 185 



structure of, 180, 188 

 Polyzoarium, 181 

 Pomatomus saltatrix, 455 

 Pomolobus pseudoharengus, 450 

 Pomotis, 455 

 Porcellio, 286, 290 

 Porcupine fish, 462 

 Porifera, 42, 49 

 Porphyrio ccerulescens, 545 

 Porpoise, 595 

 Porsana Carolina, 544 

 Portuguese man-of-war, 69 

 Potamoirygon, 424 

 Pourtalesia, 124 

 Prestwichia rotunclatus, 302 

 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 

 Prorhynchus, 196 

 Proscolex of tape worms, 156 

 trematode worms, 150 

 Prosimia?, 618 

 Protamceba, 19 

 Pro taster, 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 

 Pseudemys, 510 

 Pseudes paradoxa, 487 

 Pseudobranchus striatus, 478 

 Pseudocrinus, 108 

 Pseudotllaria, young of gregariaa. 



30 

 Pseudopleuronectes Americauus. 



460 



Pseudopodia, 23 

 Pseudopus, 502 

 Psolus ephippifer, 133 

 Psychology, 12 

 Ptarmigan, 546 

 Pteranodon, 517 

 Pteraster, 114 

 Pterodactyle, 516 

 Pteropoda, 238, 252 

 Pterosnuria, 516, 517 

 Pterotrachea coronata, 271 

 Ptyelus lineatus, 350 

 Puffer fish, 462 

 Pulex irritnus, 356 

 Pulmonata, 245 



