45 
INDEX 
TO 
THE RECENT GENERA. 
Page . 
Acera 
27 
Acliatina 
29 
Amphidesma 
9 
Amphitrite 
Ampullaria 
30 
Anatifera 
4 
Anatina 
7 
Ancillaria 
38 
Ancylus 
26 
Anodon 
16 
Anoinia 
21 
Anostoma • • 
28 
Aplysia 
27 
Area 
Arenicola 
1 
Argonauta 
43 
Aspergillum 
5 
Auricula ■ ■ 
29 
Avicula 
19 
Balanus 
3 
Buccinum 
36 
Bulimus 
28 
Bulla • ■ 
27 
Bullaea 
27 
Calyptraea 
26 
Cancellaria 
Capsa 
11 
Cardita 
14 
Cardium 
14 
Carinaria 
Page. 
Carocolla 
28 
Cassidaria 
35 
Cassis 
Castalia 
Ceritliium 
33 
Chama 
-••• 17 
Chiton 
25 
Chitonellus •••••■ 
25 
Cineras 
4 
Clausilia 
28 
5 
Cleodora 
24 
Clio 
24 
1 
Columbella 
37 
Concholepas 
36 
Conus 
38 
Corbis 
11 
9 
Coronula 
3 
Crania • ■ ■ 
22 
Crassatella 
8 
Crassina 
11 
Crenatula 
Crepidula 
Creusia 
4 
Cristellaria 
40 
Cucullaea 
15 
Cyclas 
12 
Cyclostoma 
Cymbulia 
24 
Cyprsea 
38 
Cypricardia 
14 
Page. 
Cyprina 13 
Cyrena 12 
Cytherea 13 
Delphinula 
Dentalium 
Discina • • • 
Dolabella • 
Dolium — 
Donax • • • 
Doris • • • • 
32 
1 
22 
27 
36 
11 
25 
Eburna 36 
Emarginula 26 
Eolis 25 
Erycina • • • 8 
Etheria 17 
Fasciolaria 34 
Fissurella 26 
Fisiulana 6 
Fusus 34 
Galathea 12 
Galeolaria 2 
Gastrochaena 6 
Glaucus 25 
Glycymeris 7 
Gryphaea 21 
Haliotis 31 
Harpa 36 
Helicina 28 
