INDEX. 



28/ 



C. 



caelata, 28, 129. 

 cferulea, 19. 

 calcaria, 123. 

 calculus, 27. 

 Californica, 208. 

 Californiensis, 133. 

 Caliste, 96. 

 callipyga, 92, 149. 

 callosa, 82, 135. 

 calophylla, 120. 

 calyculata, 262. 

 calyculatum, 276. 

 canaliculata, 25. 

 Canariense, 281. 

 cancellata, 99, 134. 

 Candida, 61, 217. 

 Capense, 265. 

 Capensis, 265. 

 cardilla, 139. 

 cardioides, 138. 

 cardissa, 268. 

 carditoides, 192. 

 carneola, 149, 159. 

 Caroliniana, 254. 

 Caroliniensis, 254. 

 casertanum, 275. 

 Cashmiriensis, 224. 

 casiua, 100. 

 casta, 35. 



castanea, 38, 156, 271. 

 castaneum, 270. 

 castrensis, 93, 176. 

 catenifera, 175, 185. 

 cerea, 203. 

 Ceylanica, 248. 

 Ceylouensis, 151. 

 Chemnitzii, 108. 

 Childrense, 237. 

 Cliildreni, 237. 

 Chilense, 284. 

 Chilensis, 284. 

 Chinensis,30,61,202, 



211. 

 Chione, 56. 

 Chione. 118. 

 chlorotica, 124. 

 Choristodon,2\%. 

 cinerea, 184, 276. 

 cinereum, 276. 



cingenda, 135. 

 cingulata, 103. 

 Circe, 82. 

 circinaria, 9. 

 circinata, 77. 

 citrina, 72, 264. 

 clathrata, 106. 

 dementia, 197. 

 coaxans, 248. 

 Cochinensis, 132. 

 Columbiensis,110,136. 

 communis, 264. 

 compressa, 48, 227, 



282. 

 compressum, 282. 

 compta, 29, 133,249. 

 concentrica, 6. 

 concinna, 10, 74, 214. 

 conjuncta, 244. 

 consobrina, 10, 101, 



221, 263. 

 consobrinum, 263. 

 contracta, 29. 

 contusa, 28. 

 conularis, 148, 156. 

 convexa, 71, 231. 

 cor, 71,145,221. 

 Corbicula, 51. 

 Corbicula, 219. 220. 

 corbiculoides, 239. 

 Corbis, 108. 

 Cordieri, 190. 

 cordiformis, 66, 259. 

 Cordula, 21 A. 

 Cornea, 261 . 

 cornea, 261, 262,263, 



267. 

 Corneocyclas, 261. 

 corneum, 263. 

 Coruubiensis, 194. 

 corpulenta, 39. 

 corrugata, 22, 85, 185, 



196, 203. 

 costata, 42, 63, 137, 



212,216. 

 rostellata, 109, 209. 

 costellifera, 130. 

 costulata, 142. 

 Cracherodii, 92. 

 crassa, 150. 



crassatelloides, 46. 

 crassicosta, 137. 

 crassisulca, 169. 

 crebrisulca, 100, 111. 

 crenata, 111, 192. 

 crenifera, 136. 

 crenulata, 111. 

 Creplini, 155, 280. 

 cretacea, 28. 

 crispata, 107. 

 crocea, 8, 85. 

 cultellus, 213. 

 Cumingii, 20, 79,121, 



185, 228,257. 

 cuneata, 231. 

 Cuneus, 160, 190. 

 curta, 203. 

 Cyanocyclas, 220. 

 cyck'.diformis, 73. 

 Cyclas, 261. 

 Cyclhia, 29. 

 cycloides, 7. 

 Cygnus, 77. 

 cylindracea, 208. 

 Cypria, 126. 

 Cyprina, 199. 

 cyprinoides, 240, 241, 



247- 

 Cyrena, 219, 241. 

 Cyrenarum, 285. 

 Cyrenodonta, 240. 

 Cyienoida, 286. 

 Cyrilli, 88. 

 Cylherea, 34, 54. 



D. 



dactyloides, 184. 

 dactylus, 213. 

 damaoides, 47. 

 debdis, 234. 

 decipiens, 128, 248. 

 declivis, 104, 162. 

 decora! a, 131. 

 decussata, 177, 189, 



209, 217. 

 dentaria, 90. 

 denticulata, 150, 178, 



213. 

 depressa, 260. 

 depressum, 285. 

 13* 



