521 



pag. 



Cranchia .»,... 96 



Crania 399 



Craniadae . , . i . . — 



Crassalella 348 



Crassina 347 



Craspedopoma .... 258 



Craspedolus 209 



Grassispira 448 



CiPaticula — 



Crenalula 372 



Crenea 245 



Crenella 363 



Crepidula 188 



Crepipatelia . , . . , 188 



Creusia ...... 425 



Creseis 292 



Crioceras 118 



Criopus 24.448 



Crisia — 



Cristaria 360 



Crucibulum 186 



Crypta 183 



Cryptella 240 



Cryptoceras 110 



Cryptodiiton Gray . . . 220 



Cryptochiton Middf. . , 448 



Cryploconchus .... 220 



Gryplodon Turt. . . . 344 



Gryplodon Conr. . . . 327 



Cryplophaga 163 



Cryplopblhalmus . . . 230 



Gryptoplax 448 



Gryplostoma , . . . . 181 



Cryptothyra 448 



Gtenoconcba 355 



Cucullaea 352 



Cucullela 448 



CuUellus Nutt 331 



CulteUus Schum. , . . 448 



Guma — 



Gumia ....... — 



Curaingia 312 



Cuneus ...... 305 



Giinicula 448 



Cuphus 335 



Gurricula 211 



