198 



Costellaria Sw. 40. 

 Corrugata Bttg. 137. 

 Coryda Alb. 107. 

 Crania Retz. 193. 

 Craspedaria Lowe. 103. 

 Craspedopoma Pfr. 147. 

 Crassatella Lam. 176. 

 Crassispira Sw. 27. 

 Cremides H. A. Ad. 84. 

 Crenatula Lam. 185. 

 Crenella Brown. 184. 

 Crepidula Lam. 71. 

 Crista Rom. 167. 

 Cristataria Vest. 136. 

 Crucibulum Schmch. 71. 

 Crjpta Humph. 71. 

 Cryptodon Turt. 175. 

 Cryptogramma Mörch. 169. 

 Cryptochiton Gray. 87. 

 Cryptomphalus Mog. Td. 108. 

 Cryptophthalmus Ehbg. 89. 

 Cryptospira Hinds. 42. 

 Cryptostoma BlvlL 47. 

 Ctenocardia H. A. Ad. 174. 

 Ctenopoma Sh. 150. 

 Cucullaea Lam. 187. 

 Ciütellus Selimch. 158. 

 Ciima Humph. 34. 

 Cyamium Phl. 176. 

 Cyathopoma W. Blfd. 146. 

 Cyclas Brug. 172. 

 Cyclina Desh. 170. 

 Cyclophorus Mft. 147. 

 Cyclops Mft. 32. 

 Cyclostomus Mft. 151. 

 Cyclostrema Marr. 78. 

 Cyclotus Gldg. 146. 

 Cylichna Löwen, 88. 

 Cylinder Mft. 53. 

 C3'lindra Schmch. 41. 

 Cylindrella Pfr. 125. 

 Cylindrus Alb. 127. 

 Cylindrus Breyn. 36. 

 Cymbium Klein. 38. 

 Cyphoma Bolt. 58. 

 Cypraea L. 56. 



Cypricardia Lam. 170. 

 C^^prina Lam, 171. 

 Cyrena Lam. 171, 

 Cyrenoida Joan, 172, 

 Cysticopsis Mörch, 98, 



Dactylidia H. A, Ad. 36. 

 Dactylina Gray. 156. 

 Dactylus Klein. 35. 

 Daedalochila Bk. 99. 

 Dalmatica Bttg. 135. 

 Daphnella Hinds, 28, 

 Darina Gray, 161. 

 Daudebardia Ha-rtm, 90. 

 Defrancia Millet. 28. 

 Delima Hartm. 135. 

 Delphinula Lam, 78. 

 Dendroconus Sw, 51. 

 Dentalium L, 84. 

 Dentellaria Schmch. HO. 

 Desmoulea Gray. 31. 

 Didacna Eichw. 174. 

 Dilataria Bttg, 137, 

 Diloma Phl, 80, 

 Dione Gray. 167, 

 Diplodon Spix, 181. 

 Diplommatina Bens, 147. 

 Dipsacus Klein, 36, 

 Discina Lam. 194. 

 Discula Lowe. 104. 

 Discus Fitzgr. 98. 

 Dolabella Lam. 89. 

 Dolium Lam, 45. 

 Donacilla Lam, 166. 

 Donax L, 164. 

 Dorcasia Gray. 113. 

 Dosinia Scop. 170. 

 Dorsanum Gray. 30. 

 Doryssa H. A, Ad, 62. 

 Düstia Gray, 75, 

 Drepanostoraa Porr, 98. 

 Dreyssena Van Ben, 185. 

 Drillia Gray. 27. 

 Drymaeus Alb. 120. 



