216 



Phyline, 299. 

 Phyllidea, 398. 

 Phyllidia, 398. 

 Phvlliroe, 396. 

 Phyllirrhoe, 396. 

 Phylloda, 577. 

 Phyllodesuiium, 384. 

 Phyllonotus, 10. 

 Physa, 483, 506, 507. 

 Physeter, 200. 

 Phytia, 500. 

 Phyza, 506. 

 Pileolus, 163. 

 Pileopsis, 263, 264, 513. 

 Pinna, 723. 

 Pintada, 733. 

 Pirena, 221, 229. 

 Pirenella, 235. 

 Pisania, 8, 53. 

 Pisidium, 556. 

 Pisum, 556. 

 Pitys, 463. 

 Placamoceros, 359. 

 Placenta, 754. 

 Place-branch us, 387, 388. 

 Place-stylus, 466. 

 Placuna, 644, 754. 

 Placunanomia, 756, 757. 

 Placunomia, 756. 

 Planaria, 388, 391. 

 Planaxis, 58, 59, 68. 

 Planorbis, 508, 517. 

 Planospira, 457. 

 Platycloster, 432. 

 Platyodon, 623. 

 Plaxiphora, 417. 

 Plectostylus, 470. 

 Plectronia, 752. 

 Plectrophorus, 439. 

 Pleiodon, 695. 

 Plekocheilus, 466. 

 Plenaria, 205. 

 Pleurobranchaea, 327, 340. 

 Pleurobranchaena, 327. 

 Pleurobranchidium, 327. 

 Pleurobrancbus, 325, 327. 

 Pleurodonta, 458. 

 Pleuronectia, 739. 

 Pleurophyllidia, 399. 

 Pleuropus, 770. 

 Pleurorhynchus, 561. 

 Pleurotoma, 12, 13, 16, 



230. 

 Pleurotomus, 12. 

 Plicadomus, 471. 

 Plicatella, 25, 29. 

 Plicatula, 747. 

 Plocamoceros, 359. 

 Plocamophorus, 349. 

 Plotia, 228. 

 Pneumoderma, 784. 



Pneumodermon, 784. 



Pododesmus, 757. 



Polia, 8. 



Polinices, 185. 



Polita, 460. 



Polycera, 353, 355, 357. 



Polydonta, 122, 495, 500, 



617. 

 Polydontes, 457. 

 Polygona, 25. 

 Polygyra, 460. 

 Polygyratia, 460. 

 Polygyrus, 508. 

 Polyniita, 454. 

 Polypheniopsis, 290. 

 Polyphemus, 485. 

 Polypus, 792. 

 Polytropa, 55. 

 Pomacea, 166. 

 Pomatia, 452, 453. 

 Pomatias, 529. 

 Pomella, 171. 

 Pomus, 166, 168. 

 Porcellana, 74, 100. 

 Poromya, 636. 

 Poronia, 647, 650. 

 Posteobranchus, 328. 

 Posteriobranchus, 328. 

 Potadoma, 215. 

 Potamida, 686. 

 Potamide, 231. 

 Potamides, 236, 237, 240. 

 Potamidis, 231. 

 Potamidum, 232. 

 Potamis, 237. 

 Potamomya, 503, 638. 

 Potamophila, 585. 

 Poteria, 516. 

 Potomis, 237. 

 Priamus, 486. 

 Prisodon, 696, 697. 

 Procerpena, 534. 

 Proctonotus, 382, 394. 

 Productus, 764. 

 Proserpina, 534. 

 Proto, 246. 

 Psammobia, 550, 551, 575, 



578,607,608,609. 

 Psammotea, 575, 577. 

 Pseudodactylus, 35. 

 Pseudoliva, 35. 

 Psiloceros, 352. 

 Psilopus, 657. 

 Psyche, 773. 

 Pteria, 732. 

 Pterocera, 2. 

 Pteroceras, 2. 

 Pteroceres, 2. 

 Pterochilus, 381. 

 Pterocyclos, 522. 

 Pterodoris, 343. 



Pteronotus, 10. 

 Pteroteuthis, 802. 

 Pterotrachea, 332. 

 Pterygia, 100. 

 Ptychina, 680. 

 Ptychomya, 675. 

 Pugilina, 21. 

 Pullastra, 547. 

 Puncticulis, 18. 

 Puncturella, 155. 

 Pupa, 467, 471, 472, 473, 



475, 476. 

 Pupilla, 471, 473, 477. 

 Pupillaca, 159. 

 Pupillia, 159. 

 Pupina, 527. 

 Purpura, 10, 55. 

 Pusia, 96. 

 Pusio, 8, 40. 

 Pusiodon, 457. 

 Pusionella, 40. 

 Pusiostoma, 53. 

 Pustularia, 103. 

 Pvramidea, 117,119, 120. 

 Pyramidella,283,284,286, 



463. 

 Pyramidellus, 283. 

 Pvramidula, 462. 

 Pyramis, 117,286,288. 

 Pvrazus, 240. 

 Pyrella, 10. 

 Pyrene, 229, 235. 

 Pyrgelix, 474. 

 Pyrgiscus, 288. 

 Pyrgula, 217. 

 Pyrula, 10, 20, 21, 22, 26. 

 Pythia, 494, 496, 499. 

 Pythohelix, 465. 

 Quoya, 59. 

 Quoyia, 59. 

 Quoyie, 604. 

 Radius, 108. 

 Radix, 543. 

 Radsia, 408. 

 Radula, 192. 

 Raleta, 642. 

 Rana, 5. 

 Ranella, 5. 

 Rangia, 569. 

 Ranularia, 6. 

 Rapana, 8, 23. 

 Rapella, 23. 

 Rapum, 27. 

 Realia, 525. 

 Registoma, 528. 

 Remina, 470. » 

 Reniella, 731. 

 Retusa, 306. 

 Rheda, 765. 

 Rhinoclavis, 233. 

 Rhinodomus, 72. 



