INDEX. 



515 



Pandora, *499, 

 Pandorina, 498. 

 Panopaea, 53, *492. 

 Paphia, 464, 465, 475, 484. 

 Papuan shells, 103. 

 Papyridea, 453. 

 Parallelopipedum, *42o. 

 Parapholas, *506. 

 Parmacella, *297. 

 PaiTnarion, *297. 

 Pariuophorus, *274. 

 Parthenia, 239. 

 Parthenopea, 461. 

 Partula, 291. 

 Pasithea,2A.O. 

 Patagonian province, 83. 

 Patagonia, sliells of, 115. 

 Patella, *278. 

 Patella, 391. 

 Patellida;, *278. 

 Patel/oidea, 281. 

 Patina, 280. 

 Paucispiral operc, 207. 

 Paxillus,*29l. 

 Pearls, 30, 433. 

 Pccchiulia, 467. 

 Pecten, 8, 29, 38, *411. 

 Pectuncidina, 426. 

 Pectunculus, ♦425. 

 Pedalion, 418. 

 Pedicularia, *223. 

 Pedipes, *304. 

 Pedum, *414. 

 PelageUa, *332. 

 Pelagia, *354. 

 Pelli-branchiata, 339. 

 Peloris, 407. 

 Pelta, 290. 323. 

 Psttella, 297. 

 Pen, 173. 



Pentamerus, *377. 

 PepHdium, 331. 

 Peracle, 352. 

 Periostracum, 33. 

 Periploma, *495. 

 Peristome, 206. 

 Pema, 55, *418. 

 PeroncBa, 480. 

 Perotis, 170. 

 Persian Gulf shells, 73. 

 Persicida, 232. 

 Persona, 214. 

 Peni, shells of, 113. 

 Peruvian province, 81. 

 Petal conciius, *249. 

 Petricola, 476. 

 Pfeifferia, *290. 

 Phanera-pnciimona , 305. 

 Phauerophihalmus, *316. 

 Phanerotinus, *267. 

 Pharella, *488. 

 Pharus, 487. 

 PhasianeUa,*263. 

 Phasianema, 253. 

 Philine, 10, *318. 

 Philippia, 253. 

 Philippine Island snails, 



101. 

 Philomycus, 296. 



Philonexis,*165. 

 Phlebenterata, 339. 

 Pholadidse, *503. 

 Pholadidea, 35, *505. 

 Pholadomya, 454. 

 Pholadomya, *496. 

 Pholadopsis, 506. 

 Pholas, 23, 102, *504. 

 Phorus, *254. 

 Phos, *221. 

 Phosphorai, 23, 295. 

 Photinula, «265. 

 Phragmoceras, *194. 

 Phragmocone, 39, 173. 

 PhyUidia, *324. 

 Phyllidiadae, *324. 

 Phylliiiioe, *338. 

 Phylliihoidee, *338. 

 Phylloda, 480. 

 Phyllodesmium, 335. 

 Physa, 37, *301. 

 Physema, *320. 

 Physiology, 15. 

 Physopsis, *302. 

 Pileolus, »261. 

 Pileopsis, *277. 

 Pilidium, *231. 

 Pinna, 30, 31, *419. 

 Pinnoctopus. *165. 

 Pirena, 36, *248. 

 Pirenella, 243. 

 Pisania, *214. 

 Pisidium, *462. 

 Pmirn, 461. 

 Pitonillus, 310. 

 Placenta, *410. 

 Placo-branchus, 339. 

 Placuna, *409. 

 Placunomia, 409. 

 Placunopsis, *410. 

 Plagioptychus, 450. 

 Plagiostoma, 412. 

 Planaxis, *223. 

 Planorbis, *302. 

 Planorbula, 303. 

 Pianulites, 197. 

 Platyceras, 277. 

 Platyodon, 489. 

 Platyschisma, 267. 

 Platystoma, *254. 

 Platystrophia, 380. 

 Plaxiphora, 284. 

 Plectambonites, 361. 

 Plectrophorus, 297. 

 Pleiodon, 435. 

 Plesioteuthis, *172. 

 Pleurae, 21. 



Pleurobranchcca, *.323. 

 Pleiu-obranchidse, *322. 

 Pleurobranchidium, 323. 

 Pleurobranchus, *322. 

 Pleurodon, 427. 

 Pieiiromya, 497. 

 Pleurophorus, *468. 

 Pleurophyllidia, 325. 

 Pleuropiis, 336, 349. 

 Pieurorhynchus, 454. 

 Pleurotoma, *228. 

 Pleurotomaria, *270. 



Plicatula, 55. *414, 

 Plocamophorus, 331. 

 Pneumodermon, 347 , ♦365 

 Pododesmtis, 409. 

 Podopsis, 414. 

 Polia, 487. 

 PoUnices, *236. 

 Pollia, 214. 

 Polycera, *330. 

 Polydonta, *304. 

 Polygyra, 289. 

 Polynesian region, 104. 

 Polyphemopsis, 241. 

 Polyphemus, 292. 

 Polytremaria, *270. 

 Pomatias, *307. 

 Pomato-branchia, 312. 

 Pomus, 259. 

 Pontolimax, 340. 

 Porambonites, *376. 

 Porcellanous shells, 32. 

 Porcellarius, 232. 

 Porcellia, *344. 

 Poromya, 491. 

 Poronia, 459. 

 Portuguese shells, 64. 

 Posidojiia, 417. 

 Posidonomya, *417. 

 Posterobranchaea, *323. 

 Potamides, *243. 

 Potamomya, *490. 

 Potamophila, 486. 

 Poterioceras, 193. 

 Priamus, 220. 

 Prisodon, 434. 

 Proctonotus, *337. 

 Productidse, *S83. 

 Productus, *384. 

 Pronites, 380. 

 Pronoe, 470. 

 Pro-pilidium, 281. 

 Proserpina, 286, *289. 

 Prosobranchiata, *209. 

 Proto, 249. 

 Protocardium, 454. 

 Protozoa, 2. 

 Psammobia, *481. 

 Psammocola, 482. 

 Psammosolen, 488. 

 Psamviotea, 480,482. 

 Psathura, *456. 

 Pseudaxinus, *432. 

 Pseudo-crania, 387. 

 Pseudoliv:a, *21£. 

 Psiloceros, 330, 335. 

 Psyche, *350. 

 Pteroceras, 35, *211. 

 Pteriaea, *417. 

 Pterochilus, 336. 

 Pterocyclos, *308. 

 Pterodouta, *315. 

 Pterodoris, 329. 

 Pteronites, 417. 

 Pteroperna,*416. 

 Pteropoda, 346. 

 Pterotheca, *350. 

 PterotrachcEa, 342. 

 Pty china, 456. 

 Ptychocerae, *201. 



