INDEX 



725 



Pliohippus, 701. 



Plover, 590, 607. 



Plumatella, 185. 



Plumularia, 128. 



Pneumatophore, 125, 126. 



PodicipedidcB, 600. 



Podobranchiae, 284. 



Podocnemis, 535. 



Podophyra, 64, 65. 



Poephagus, 671. 



Polar bodies, 82, 83, 84. 



Polian vesicles, 193, 194. 



Polistes, 368. 



Pollack, 470, 474. 



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



Polyandry, 625. 



Polychata, 234-236. 



PolycliCBrus, 156. 



Polycladida, 156, 157. 



Polydesmus, 310. 



Polygamy, 65 7- 



Polygordiida, 232; Polygordius, 232, 233. 



Polygyra, 258, 259. 



Polymorphism, 125, 126. 



Polyodon, 452-453 ; Polyodontidm, 443, 



452. 

 Polyp, 23. 

 Polypide, 184. 

 Polyplacophora, 251, 252. 

 Polyprotodontia, 642. 

 Polypterida, 443 ; Polypterus, 447, 452 . 

 Polyscelis, 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. 

 Porospora, 52. 

 Porpoise, 645, 674, 675. 

 Porthetria, 353. 



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

 Postscutellum, 330. 

 Potomobius, 276. 

 Praescutum, 330. 

 Prairie-dog, 658. 

 Prawns, 301. 



Predaceous, 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 ; Enteropneusta, 387 ; moths, 



332; nemertine, 177, 178; Planaria, 



151, 152. 

 Procavia, 645. 

 Procellaria, 590, 601 ; Proccllariidce, 600 ; 



Procellariiformes, 590, 600. 

 Procoracoid, 404. 

 Proctodaeum, 508. 

 Procyon, 643, 654; Procyonidm, 652, 



654- 



Proechidna, 646. 



Proglottides, 163, 164. 



Pronghorns, 667, 669. 



Prootics, 493, 494. 



Prophase of mitosis, 14, 15. 



Propolis, 326. 



Prosoma, 378. 



Prospaltd, 365. 



Prosopyles, 95, 100. 



Prostomium, 216, 224. 



Proteid, n. 



Proteida, 510, 513; Proteidm, 510, 511, 

 5I3-5U. 



Proteroglypha, 539, 564. 



Prolrrospongia, 47. 



Proteus, 511, 513. 



Prothorax, 314. 



Protobranchia, 262. 



Protocercal, 447. 



Protodonta, 685. 



Protodrilus, 232. 



Prolohippus, 699, 701. 



Protoplasm, 9, io-n. 



Protopodite, 276, 277, 279. 



Protopterus, 471, 472. 



Protorohippus, 699, 700. 



Prolothcria, 633, 642. 



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

 68; classification, 27 ; morphology, 66 ; 

 pathogenic, 70 ; physiology, 67 ; re- 

 production, 6g. 



Protozoaea, 303, 304. 



