ALPHABETICAL INDEX 
OF THE 
FAMILIES AND PKINCIPAL GENEKA OF MOLLUSCA 
EXHIBITED IN THE SHELL GALLEKY. 
This Index has been compiled to assist the numerous visitors, who wish to 
examine and determine specimens of shells, in finding, without trouble or loss 
of time, the Cases in which the genera are placed. Subgeneric terms are 
omitted, as they do not fall within the scope of this " Guide." 
Acanthina . 
75 
Batissa . 
. . 165 
Coralliophil 
a . 76 
Achatina 
130-131 
Brechites 
. . 204 
Corbicula 
. . 164 
Achatinella . 
. 134, 135 
Bryopa . 
. . 204 
Corbis . 
. . 163 
Acmsea . . 
4 
Buccinum 
. . 65 
Coibula . 
. . 198 
Actaeon . 
94 
Buliminus 
. . 128 
Crassatella 
. . 161 
iEtheria . . 
178 
Bulimulus 
. . 122 
Crenatula 
. . 147 
Amphibola . 
98 
Bulimus = S1 
ir °-} 120 
Crenella . 
. . 145 
Amphiperas . 
35 
phocheilus 
Cucullsea 
. . 140 
Ampullaria . 
. 25, 26 
Bullidse . 
95 
Cuma 
. . 75 
Amussium . 
159 
Cuspidaria 
. . 204 
Anatina . 
203 
Calyptrseidae 
. 31,32 
Cyclophorid 
Ee . 23,25 
Ancylus . 
99 
Cancellaria 
77 
Cyclostomat 
idSB ) cyn on 
dsej 28 ' 29 
Anodonta . 
?.66, 167 
Capulus . 
31 
= Pomatii 
Anomia . 
137 
Cardita . 
160 
Cylindrella 
. . 127 
Anostoma . 
128 
Cardium . 
192-194 
Cyprsea . 
. . 32-35 
Aplacophora 
3 
Carinaria 
94 
Cyprina=Ai 
" c " } 162 
Aplustrum . 
96 
Cassis 
. 55-56 
tica 
Aplysia = Tethy 
b 96 
Cerion . 
129 
Cyrena . 
. . 164 
Aporrhais . 
49 
Cerithiidse . 
. 42-44 
Cythera=M 
3re "} 185 
Area . 
139 
Chsetoderma 
3 
trix 
Arctica . 
162 
Chama . 
196 
Argonauta . 
205, 206 
Chitonidse . 
1-3 
Delphinula 
. . 12 
Arion . . 
107 
Chrysodomue 
64 
Dentalium 
136 
Aspergillum ] 
(=Brechites)J 
204 
Circe . 
187 
Despoena 
22 
Clausilia 
.129-130 
Diplodonta 
163 
Astarte . 
161 
Clavagella= 
} 204 
Dolium . 
. . 56, 57 
Atlanta . 
94 
Bryopa 
Donax . 
182: 
Auriculidse . 
97,98 
Columbella . 
69 
Dosinia . 
188 
Avicula = Pterii 
i 145 
Conus . - . 
. 89-94 
Dreissensia 
179 
E 2 
