I Neritoides 



LO 



Pediculariidae.] 



Neritoides Brown. 405. 

 Neritopsidae 511. 

 Neritopsis Grtlpe. 512. 

 Neritula Blanc. 134. 

 Nesaea Riss. 57. 

 Nesta II. A<l. 591. 

 Netrum Phl. 77. 

 Nevcrita Riss. 225. 

 Nevillia A. Ad. 470. 

 Nina Gray. 411. 

 Ninella Gray. 535. 

 Niona Gray. 511.' 

 Niotha U. A. Ad. 120. 

 ISiso Riss. 277. 

 Nitidella Sw. 201. 

 Noemia Fol in. 270. 

 Noicia Gray. 506. 

 Nona 11. A. Ad. 632. 

 Northia Gray. 106. 

 Notarchus Cuv. 637. 

 Nubecula Klein. 290. 



O. 



Obeliscus Humph. 256. 

 Occorys Fschr. 106. 

 Ocinebra Leach. 16. 

 Octopoda 1. 



Octopodoteuthis Rüpp. 2. 

 Odontidinrn Phl. 486. 

 Odontina Zborz. 486. 

 Odontis Sow. 554. 

 Odontostoma Cantr. 486. 

 Odontostoma Klein. 512. 

 Odontostomia Phl. 261. 

 Odostomia Flmmg. 261. 

 Oläna H. A. Ad. 601. 

 Olearia Klein. 534. 

 Oliva Brug. 152. 

 Olivancillaria Orb. 151. 

 Olivaria Rfq. 152. 

 Olivarius Dum. 152. 

 Olivella Sw. 152. 

 Olivia Cantr. 553. 

 Olividae 151. 

 Olivina Orb. 152. 

 Ornalaxis Dsh. 288. 

 Omalaxon Dsh. 288. 

 Ombrella Blvll. 638. 

 Ommastrephes Orb. 3. 

 Omphalius Phl. 566. 

 Omphemis Rfq. 420. 

 Onchidiopsis Brgh. 225. 

 Oncornelania Grdlr. 395. 

 Oniscia Sow. 220. 

 Oniscidia Sw. 220. 

 Onithochiton Gray. 608. 

 Onoba H. A. Ad. 468. 

 Onustidae 500. 

 Onustus Humph. 500. 

 Onychia Less. 3. 

 Onychoteuthidae 2. 



Onychotenthis Lichtst. 3. 

 Opalia IL A. Ad. 239. 

 Operculatinae 638. 

 Opisthobranchiata 619. 

 Orbis Lea. 288. 

 Orthopnoea Gistl. 532. 

 Orthostelis Arad. 258. 

 Oscanius Leach. 638. 

 Oscilla H. A. Ad. 267. 

 Osilinus Phl. 564. 

 Osteodes Bolt. 35. . 

 Otavia Gray. 554. 

 Otavia Riss. 551. 

 Otostomella Bucq. 261. 

 Otus Riss. 222. 

 Ovula Brug. 325. 

 Ovulum Sow. 325. 

 Ovulus Mft. 325. 

 Oxygyrus Bens. 15. 

 Oxynoe Couth. 223. 

 Oxynoe Rfq. 634. 

 Oxystele Phl. 564. 

 Oxytrema Rfq. 273. 

 Oxytrema Rfq. 420. 



Pachybatron Gask. 221. ' 

 Pachycheilus Lea. 363. 

 Pachydrobia Cross. et F. 441. 

 Pachylabra Sw. 476. 

 Pachypoma Gray. 541. 

 Pachystoma Gldg. 476. 

 Padola Flmmg. 581. 

 Padolla Oken. 581. 

 Padollus Mft. 581. 

 Pagodella Sw. 410. 

 Pagodus Gray. 410. 

 Paladilhia Brgt. 404. 

 Palmarium Mft. 588. 

 Paludestrina Orb. 435. 

 Paludina Lm. 420. 

 Paludomus Sw. 355. 

 Paramelania Brgt. 395. 

 Parastrophia Folin. 488. 

 Paria Gray. 530. 

 Parmophora Dsh. 591. 

 Parmophorus Blvll. 591 

 Parthenia Low. 266. 

 Parthenina Bucq. 261. 

 Pasithea Lea. 273. 

 Patella L. 601. 

 Patellaria Lwyd. 601. 

 Patellarius Dum. 601. 

 Patellidae 601. 

 Patelloida Cantr. 599. 

 Patelloidea Quoy. 596. 

 Patellus Mft. 601. 

 Patina Leach. 607. 

 Pectinibranchiata 16. 

 Pedicularia Sw. 328. 

 Pediculariidae 328. 





