Neritrema, Recluz. II 
Neritula, Plancus.. II 
Nesva, Risso. II 
Westat H. Adi’; “IE 
Netastomella, Carp. III 
Netrum, Phil. II 
Neumayria, Bayle. II 
Neverita, Risso. Il 
Nevillia, H. Adams. IT 
Nevillia, Martens. . III 
Newcombia,Carp.. II 
Newcombia, Pfeiffer. II1 
Naeidas Blantss. 2)" Ah 
Nigritella, Albers. . IIT 
Nigritella, Brot. II 
Nina, Gray. II 
Ninella, Gray. : rf 
Niotha, 'H. & A.Ad. II 
Niphonia, Adame...” VE 
Nisea, Marc. de Serres. II 
Niso, Risso. . II 
Nitidella, Swainson. IT 
Nitocris, H. & A. Ad. II 
Noetia, Gray. eH Ul 
Noicia, Gray. . II 
Nona, H. & A. Ad. II 
Norrisia , Bayle. . rE 
Northia, Gray. . II 
Notarchus, Cuvier. Tel 
Nothoceras, Barr. . II 
Nothoceras, Kichw. IT 
Nothus, Albers. Ill 
Notodoris, Bergh. . IT 
- Notomya, M’Coy. . IIF 
Notoplax, BH. Ad...) I 
Notosiphites, Duval. If 
Novaculina, Benson. IIT 
Novites, Mojs. . II 
Nubecula, Klein. . II 
Nucinella, 8S. Wood. III 
Nucleobranchiata.. II 
bi aE 
Nucleopsis, Conrad. II 
Nucleospira, Hall. . III 
Nucula, Lamarck. TE 
Nuculana, Link. Ill 
INDEX. 
PAGE 
241 | Nucularia, Conr. IIl 
159 | Nuculella, Chenu. bis tf 
184 | Nuculide.. . DEL 
328 | Nuculina, a’Orb. Ill 
127 Nuculites, Conr. Pe 
182 Ss Paige! FI 
78 | Nuculocardia. d’Orb. IIT 
205 | Nucunella, d’Orb. . III 
265 | Nudibranchiata. II 
18 . aie | 
342 | Nummulina, Kob. . III 
64 | Nuttallina, Carp. 1M 
283 | Nyassa, Hall. Itt 
30 | Nystia, Tourn. 1g 
253 
242 
306 | Obba, Beck. IIL 
158 | Obbina, Semper. III 
3t7 | Obolella, Billings: . TIT 
121 | Obolellina, Billings. III 
230 | Obeliscus, Beck. III 
178 | Obeliseus, Humph. IT 
258 | Obelus, Hartmann. III 
255 Obolide. > leit 
213 | Obolus, Bichwald. Til 
354. | Obovaria, Rafin. III 
S54) Oceana tAds. ss." . DE 
154 | Ochthephila, Beck. III 
365 | Ocinebra, Leach. 1 
55 | Octopoda, . II 
52 | Octopodide, . 4 a 
61 | Octopodoteuthis, Rup. IL 
378 | Octopus,Lamarck.. II 
230 | Ocythoe, Leach. IT 
345 | Odoncinetus, Cos. . III 
46 | Odontartemon, Pfr. III 
134 | Odontidium, Phil... II 
72 | Odontina,Zborzewsky. II 
187 | Odontobasis, Meek. II 
260 | Odontocyclas, Ad.. III 
103 | Odontocyelas, Schl. III 
347 | Odontognatha, III 
356 | Odontomaria, Roem. IT 
323 | Odontopolys, Gabb. IT 
248 | Odontosagda, Albers. IIT 
248 | Odontostoma, d’Orb. IT 
Oo 09 
5S oe SO Ct 
¢ bo 
C2 0 Oo So to UD > 
© bo wo WO 
WII ¢ 
CS to wn 
Qo 
= OO Cn 
