INDEX 



725 



Pliohippus, 701. 



Plover, 590, 607. 



Plumatella, 185. 



Plumularia, 128. 



Pneumatophore, 125, 126. 



Podicipcdidte, 600. 



Podobranchiae, 284. 



Podocnemis, 535. 



Podophyra, 64, 65. 



Pocphagus, 671. 



Polar bodies, 82, 83, 84. 



Polian vesicles, 193, 194. 



Polistes, 368. 



Pollack, 470, 474. 



Pollen, basket, 315; brush, 314, 315. 



Polyandry, 625. 



Polychceta, 234-236. 



Polycharus, 156. 



Polydadida, 156, 157. 



Polydesmus, 310. 



Polygamy, 657. 



Polygordiida, 232; Polygordius, 232, 233. 



Polygyra, 258, 259. 



Polymorphism, 125, 126. 



Polyodon, 452-453; Polyodontida, 443, 



452. 



Polyp, 23. 

 Polypide, 184. 

 Polyplacophora, 251, 252. 

 Polyprotodontia, 642. 

 Poly pier ida, 443; Polypterus, 447, 452. 

 Polys cells, 156. 

 Polystomum, 161. 

 Polyzoa, 183-185. 

 Pomoxis, 467. 

 Pongo, 665. 

 Pontobdella, 239. 

 Porcellio, 297. 



Porcupine, 643, 658, 660; fish, 444. 

 Porifcra, 23, 25, 92-107 ; classification, 

 104 ; morphology, 99 ; physiology, 

 102 ; position in animal kingdom, 105 ; 

 relations to man, 106. 

 Par os par a, 52. 

 Porpoise, 645, 674, 675. 

 Porthetria, 353. 



Portuguese man-o'-war, 125, 126. 

 Postscutellum, 330. 

 Potomobius, 276. 

 Praescutum, 330. 

 Prairie-dog, 658. 

 Prawns, 301. 



Pre<^aceous, 690. 



Prehallux, 497. 



Premaxilla, 436, 437, 493, 494. 



Premolar, 636, 679. 



Priapuloidea, 187, 188; Priapulus, 



187. 



Primates, 632, 644, 662-667. 

 Pristis, 429. 

 Proboscidea, 645, 672. 

 Proboscis, of Acanthocephala, 180 ; Echiu- 



roidea, 187 ; Entcropneusta, 387 ; moths, 



332; nemertine, 177, 178; Planaria, 



I5i, 152. 

 Procavia, 645. 

 Procellaria, 590, 60 1 ; Procellariida, 600 ; 



Procellariiformes, 590, 600. 

 Procoracoid, 404. 

 Proctodaeum, 508. 

 Procyon, 643, 654; Procyonida, 652, 



654- 



Proechidna, 646. 

 Proglottides, 163, 164. 

 Pronghorns, 667, 669. 

 Prootics, 493, 494. 

 Prophase of mitosis, 14, 15. 

 Propolis, 326. 

 Prosoma, 378. 

 Prospalta, 365. 

 Prosopyles, 95, 100. 

 Prostomium, 216, 224. 

 Proteid, n. 

 Proteida, 510, 513; Proteidce, 510, 511, 



513-514. 



Proteroglypha, 539, 564. 

 Proterospongia, 47. 

 Proteus, 511, 513. 

 Prothorax, 314. 

 Protobranchia, 262. 

 Protocercal, 447. 

 Protodonta, 685. 

 Protodrilus, 232. 

 Protohippus, 699, 701. 

 Protoplasm, 9, 10-11. 

 Protopodite, 276, 277, 279. 

 Protopterus, 471, 472. 

 Protorohippus, 699, 700. 

 Prototheria, 633, 642. 

 Protozoa, 23, 24, 25, 27-72 ; behavior, 



68; classification, 27 ; morphology, 66 ; 



pathogenic, 70 ; physiology, 67 ; re- 

 production, 69. 

 Protozoaea, 303, 304. 



