45 
INDEX 
TO 
THE RECENT GENERA. 
Page. 
Acasta 3 
Acera ..... 27 
Acliatiua 29 
Amphidesma 9 
Amphitrite 2 
Ampullaria 30 
Anatifera 4 
Anatina 7 
Ancillaria 38 
Ancylus 26 
Anodon 16 
Anomia 21 
Anostoma 28 
Aplysia 27 
Area 15 
Arenicola 1 
Argonauta 43 
Aspergillum 5 
Auricula 29 
Avicula 19 
Balanus 3 
Buccinum 36 
Bulimus 28 
Bulla 27 
Bullaea 2 7 
Calyptraea 26 
Cancellaria 33 
Capsa 11 
Cardita 14 
Cardium 14 
Carinaria 43 
Page. 
Carocolla 28 
Cassidaria 35 
Cassis 35 
Castalia 16 
Cerithium 33 
Chama 17 
Chiton 25 
Chitonellus 25 
Cineras 4 
Clausilia 28 
Clavagella 5 
Cleodora 24 
Clio 24 
Clymene 1 
Columbella 37 
Concholepas 36 
Conus 38 
Corbis 11 
Corbula 9 
Coronula 3 
Crania 22 
Crassatella 8 
Crassina 11 
Crenatula 19 
Crepidula 26 
Creusia 4 
Cristellaria 40 
Cucullaea 15 
Cyclas 12 
Cyclostoma • • • 29 
Cymbulia 24 
Cyprsea 38 
Cypricardia 14 
Page. 
Cyprina 13 
Cyrena 12 
Cytherea 13 
Delphinula 32 
Dentalium 1 
Discina 22 
Dolabella 27 
Dolium 36 
Donax 11 
Doris 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 
Hclicina 28 
