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INDEX 



Phylactolaemata, 262. 

 Phyllobothriidae, 196. 

 Phyllobothrium, 197. 

 Phyllocarida, 364. 

 Phyllodoce, 286. 

 Phyllodocidae, 286. 

 Phyllomitus, 30. 

 Phyllopoda, 329. 

 Phylodromus, 428. 

 Physa, 511. 

 Physalia, 124. 

 Physaliidae, 124. 

 Physcosoma, 275. 

 Physidae, 510. 

 Physonectae, 124. 

 Phytia, 508. 

 Phytoflagellida, 34. 

 Phytopidae, 438. 

 Phytoptus, 438. 

 picta (Nephthys),289. 

 picta (Sthenelais),286. 

 pigra (Cryptoglena), 32. 

 pikei (Hyctia), 436. 

 pikei (Lycosa),433. 

 pilata (^olidia),503. 

 plleus (Pleurobrachia), 



152. 



Pilidium, 205. 

 Pill bugs, 380. 

 pilosa (Membranipora), 



255. 



pilularis (Eugyra), 665. 

 Pilumnidae, 397. 

 Pin worm, 225. 

 pingius 



(Leptocheirus),370. 

 Pinna, 574. 

 Pinnae (in Ctenophora), 



150. 



Pinnotheres, 399. 

 Pinnotheridae, 399. 

 Pinnulae, 137. 

 pinnulatum (Cardium), 



593. 



Pinnules, 619. 

 Piona, 451. 

 Pirata, 434. 

 piratica (Pirata), 434. 

 piri (Eriophyes), 438. 

 Piroplasma, 47. 

 Pisauridae, 431. 

 Pisaurina, 432. 

 Piscicola, 317. 

 Pisidium, 587. 

 Pista, 295. 



pistacia (Eulalia), 286. 

 Placocephalus, 168. 

 Plagiostomidae, 164. 

 Plagiotomidae, 58. 

 Plagiostomum, 164. 

 Plakopus, 15. 

 plana (Crepidula), 539. 



Planaria, 165. 

 Planarians, 165. 

 Planariidae, 165. 

 planissima (Moniezia), 198. 

 Planocera, 169. 

 Planoceridae, 169. 

 Planorbidae, 512. 

 Planorbis, 512. 

 planorbis (Skenea), 543. 

 Planula, 88. 



planulata (Kellia), 585. 

 Plasmodium, 46. 

 Platelmia, 157. 

 Plathelminthes, 156. 

 Platydorina, 38. 

 Platygyra, 149. 

 PlatyonicTius, 398. 

 Platypoda, 536. 

 platyptera ( Polyarthra) , 



237. 



Pleodorina, 38. 

 Pleopod, 363. 

 Plerocercoid, 191. 

 Plerocercus, 191. 

 Plesiof ungiidae, 149. 

 Pleurobrachia, 152. 

 Pleurobrachiidae, 152. 

 Pleurobranchs, 384. 

 Pleurocera, 547. 

 Pleuroceridae, 546. 

 Pleuronema, 56. 

 Pleuronemidae, 56. 

 Pleurotomidae, 562. 

 Pleuroxus, 337. 

 Plexaurella, 137. 

 Plexauridae, 136. 

 plica tills 



(Spriocheta),26. 

 plicatula 



(Modiola), 572. 

 Ploima, 235. 

 Plumatella, 263. 

 Plumatellidae, 262. 

 plumicosa (Cellepora), 259. 

 plumipes (Uloborus), 417. 

 Plumulariidae, 108. 

 Pluteus, 614, 634, 641. 

 pluvialis 



(Stephanosphaera), 37. 

 Pneumatophore, 122. 

 Pneumonoeces, 185. 

 Pneumonyssus, 437. 

 Pocket book clam, 580. 

 podagrosus (Phidippus), 



435. 



Podarke, 288. 

 Podia, 616. 

 Podobranchs, 384. 

 Podocopa, 353. 

 Podocoryne, 100. 

 Podocorynidae, 100. 

 Podon, 338. 



Podophrya, 68. 

 Podophryidae, 67. 

 podura (Ichthydium), 244. 

 pogoniae (Microcotyle), 



177. 



Polian vesicles, 617. 

 polii (Chiton), 486. 

 politum (Liobunum), 412. 

 pollicaris (Pagurus), 394. 

 Pollicipes, 360. 

 Polyarthra, 237. 

 Polycera, 501. * 



Polyceridae, 501. 

 Polychaeta, 282. 

 Polychcerus, 160. 

 Polycirrus, 296. 

 Polycladida, 169. 

 Polyclinidae, 670. 

 Polycystididae, 163. 

 Polydesmidae, 471. 

 Polydesmus, 471. 

 Polydora, 293. 

 Polygordidae, 280. 

 Polygordius, 281. 

 Polygyra, 520. 

 Polymastia, 79. 

 Polymastigida, 30. 

 Polymastiidae, 79. 

 polymerus (Mitella), 360. 

 polymorpha (Plumatella), 



263. 

 polymorphus 



(Echinococcus,) 202. 

 polymorphus (Stentor), 60. 

 Polynices, 537. 

 Polyp type of structure, 87. 

 Polyphemidae, 337. 

 Polyphemus, 338. 

 polyphemus (Limulus), 



401. 



Polypi, 3. 

 polypinum 



(Carchesium), 66. 

 Polyplacophora, 484. 

 polypodia 



(Dactylosphaerium), 16. 

 Polypodium, 92. 

 Polypus, 71. 

 Polystoma, 175. 

 Polystomidae, 175. 

 Polystominae, 175. 

 Polytoma, 36. 

 Polyxenidae, 472. 

 Polyxenus, 473. 

 Polyzoa, 245. 

 polyzonias 



(Sertularella), 106. 

 Polyzoniidae, 468. 

 Polyzonium, 468. 

 pomatia (Helix), 519. 

 Pomatiopsis, 542. 

 pompilius (Nautilus), 606. 



