— 196 



Anomia L. 191. 

 Anostoma Fschr. 96. 

 Antalis Aldrov. 85. 

 Anthinus Alb. 118. 

 Apex Alb. 130. 

 Apiysia Gm. 89. 

 Apollon Mft. 29. 

 Apoma Bk. 125. 

 Aporrhais Dacosta. 55. 

 Area L. 186. 

 Arcinella Schmch. 174. 

 Arcularia Link. 31. 

 Argina Gray. 187. 

 Argobuccinum Klein. 29. 

 Argon auta L. 21. 

 Arianta Leach. 106. 

 Aricia Gray. 56. 

 Ariophanta Desnioul. 94. 

 Artemon Bk. 91. 

 Asaphis Modeer. 161. 

 Aspastus Alb. 118. 

 Aspergillum Larii. 157. 

 Assiminia Leach. 68. 

 Astarte Sow. 176. 

 Astralium Link. 77. 

 Astyris H. A. Ad. 44. 

 Ataxus Alb. 121. 

 Atrina Gray. 186. 

 Atys Mft. 89. 

 Aulacomya Mörch. 184. 

 Aulica Gray. 38. 

 Aulüpoma Trsclil. 147. 

 Auriculus Mft. 141. 

 Ausüba H. A. Ad. 38. 

 Avicula Klein. 185. 

 Axina Alb. 114. 

 Axinaea Poli. 187. 

 Azara Ürb. 159. 

 Azecastrum Büurg. 132. 



B. 



Baleastra Pfr. 134. 

 Bankivia Bk. 80. 

 Barbatia Gray. 186. 

 Bariosta Rfq. 178. 

 Barleia Clark. 67. 



Barnea Riss. 156. 

 Batissa Gray. 171. 

 Bela Gray. 27. 

 Bensonia Pfr. 93. 

 Binotata Bttg 135. 

 Birostra Sw. 58. 

 Bitliynia Leach. 66. 

 Bolma Riss. 77. 

 Boltenia Pfr. 90. ' 

 Borus Alb. 119. 

 Bostryx Trschl. 121. 

 Böttgeria Heynera. 139. 

 Boiichardia Davids. 193. 

 Brachidontes Sw. 184. 

 Bucardium Gray. 172. 

 Buccinanops Orb. 30. 

 Buccinulus Plane. 88. 

 Buecinum L. 30. 

 Bulimella Pfr. 129. 

 Bulimnea Hldm. 142. 

 Biüiminus Bk. 126. 

 Bulimulus Leach. 120. 

 Bulimus Seop. 117. 

 Bulla Klein.. 88. 

 Bullia Gray. 30. 

 Bursa Bolt. 29. 

 Busycon Bolt. 25. 

 Bythinella Moq.-Td. 67. 



Cabestana Bolt. 28. 

 Caecella Gray. 161. 

 Caeeum Flmg. 70. 

 Callia Gray. 150. 

 Callianax H. A. Ad. 36. 

 Calliscapha Sw. 182. 

 Callista Poli. 166. 

 Callithea Sw. 41. 

 Callonia Gross, et F. 125. 

 Callopoma Gray. 77. 

 Caloeoehlia Hartra. 114. 

 Calpurnus Mft. 58. 

 Calyptraea Lam. 71. 

 Camaena Alb. 113. 

 Campeloma Hldm. 66. 

 Campylaea Bk. 104. 



