ALPHABETICAL LIST. 



cost at a, Garret, 164. 



costata, J. Adams, 107. 



costata, Oliv., 211. 



costata, Quoy. 24. 



(costata, Quoy), 218. 



costata, Quoy, 228. 



(costatus, Erocchi), 162, 163. 



costigera, Beck, 42. 



costulata, Alder, 103. 



(costulata, Pease), 73. 



costulata, Schmidt, 271. 



(costulatum, Fuchs), 219. 



costulifera, Pease., 73.* 



CoTTTHOUTii, A. Adams, 166. 



crassa, Haldeman, 205. 



crassa, Hutton, 25.* 



crassa, Swain., 11. 



crassa, Issel (not of v. d. Busch,) 292. 



crassa, v. d. Busch (not of Issel,) 



287.* 

 crassa, v. d. Busch, 292. 

 {crassilahrum, Garrett,) 93. 

 crassior, Montagu, 174. 

 (crassula, Raf.,) 32. 

 craticulata, A. Adams, 118. 

 crebra. Lea, 242. 

 crebra, Eeeve, 238.* 

 crebricostis, B., 263. 

 CEEMNOBATES,Bl.(notGunther),172. 



Ceemnoconchus, W. T. Blanford, 

 172.* 



creiiularis, Desh., 279. 



crenulata, Desh., 225, 226. 



crenulata, Mich., 107. 



crepidinata, Reeve, 231. 



cristata, Miill., 15. 



cristobalensis, Brot., 223. 



crocostoma, Phil., 12. 



Ceossea, H. Adams, 129.* 



crystallina, Pfr., 58. 



crystallina, Pfr., 58. 



cumherlandensis, Lea., 198. 



eundngi, H. and A. Adams, 88. 



cumingi, King, 10. 



cumingi, Phil, 157. 



cumingiana, Fischer, 57. 



(cumingii, Lea,) 208. 

 curta, Gassies, 213. 

 curta, Nev., 42, 62, 65.* 

 cuspidata, Anthony, 200. 

 cybele, Gould, 279. 

 cyclolahris, Rossm., 54. 

 Cyclostoma, 16, 18, 55, 57, 68. 

 eyclostomoides, Kiisti, 33. 

 cylindracea, Mouss., 232. 

 cylindroides, Baird, 233. 



D 



dactylus. Lea, 265. 

 (dsedala, A. Adams), 132. 

 datura, Dohrn, 281.* 

 (debilis, Garrett), 75. 

 debilis, Phil., 142. 

 decisa. Say, 32. 

 decollata, Gmel., 216. 

 decollata, Nev, 209., 212. 

 decollata, Quoy, 193. 

 decollata, 39. 

 decolorata, Phil, 100. 

 decorata, Anthony, 201. 

 decussata, Mts., 266. 

 decussata, Montagu, 73, 87. 

 decussata, Moricand, 10. 

 decussata, Eeeve, 301.* ' 

 decussatula, Bl., 30.* 

 decussatus, A. Adams, 166. 

 deformis, Nev., 96. 

 deformis, Sow., J unr., not Sow., Senr., 

 90.* 



