INDEX TO CERION. 



[NOTE. Names of generic and subgeneric groups are in SMALL CAPITALS; of 

 species and varieties in Roman, and of all synomys in italic type.J 



Abacoense P. & V. 



Acuta Mayn. . . 190, 



Agassizi Dall 



Agava Mayn. 



Agrestinum Mayn. 



Albea Mayn. 



Album Mayn. . 



Alvearia Dillw. . . 274, 



Anodonta Dall . 



Antonii Kiist. . 



Arangoi P. & V. 



Basistriatum P. & V. . 

 Bendalli P. & V. 

 Bidens Beck 

 Bimaryinata Mayn. . 

 Blandi P. & V. . 

 Brevispirum P. & V. . 

 Brownei Mayn. . 

 Bryanti Pfr. 



Calcareum Pfr. . 

 Capillaris Beck . 

 Garlotta Mayn. . 

 Caymanense Pils. 

 Cera Mayn. 

 CERION Bolt. 

 Cinerea Mayn. . 

 Chrysalis Fer. . 

 Clathrata Humph. 

 Cochlodon Sowb. 

 Columna P. & V. 

 Comes P. & V. . 

 Conus Beck 



Copia Mayn. . . 185, 

 Coryi Mayn. 

 Crassicostata Mayn. . 

 Crassilabris Sh. . 



246 

 191 

 242 

 259 

 266 

 258 

 247 

 281 

 280 

 192 

 211 



279 

 266 

 227 



262 

 263 

 233 



248 

 272 



234 

 281 

 259 

 196 

 262 

 174 

 257 

 226 

 281 

 174 

 235 

 232 

 281 

 187 

 258 

 254 

 192 



Crassiusculum Torre. . . 202 



Cumingianum Pfr. . . 198 



Curtissii Mayn. . . . 256 



Cyclostoma Kiist. . . 196 



Cyclostoma Sowb. . .201 



Dalli Mayn. . . .276 



Decumana Gray . 209, 281 



Decumana Poey . . 225 



Decumanus Fer. . 236, 281 



Desculptum P. & V. . .181 



DIACERION Dall. . 179, 271 



Dimidiatum Pfr. . 205 



Duplodon P. & V. . . 276 



Eburneum Mayn. . . 252 



Edentula Beck . . . 227 



Eleutherae P. & V. . . 240 



Elegans Beck . . .281 



Elongatum Mayn. . . 253 



EOSTROPHIA Dall. . 179, 280 



Eucosmium P. & V. . . 233 



Eurystoma Mayn. . 227, 228 



Evolva Mayn. . . .263 



Eximea Mayn. . . .265 



Eximium Mayn. . . 265 



Fasciata Mayn. . . . 215 



Fasciatum W. G. B. . .215 



Fastigata Mayn. . 227, 228 



Felis P. & V. . . . 221 



Ferrugineum Mayn. . .195 



Festiva Mayn. . . .190 



Floridanum Dall . . 280 



Fordii P. & V. . . . 270 



Fraternum Pils. . . 265 



Fusca Mayn. . . 185, 186 

 Fusus (Bulimus) Brug. . 281 



(284) 



