4926 
Cyclostoma costulatum Z. 
crassilabris Math. f. 
crassiuseulum Raht f.. 
erassum Ad.. 
— Wepaeexur 
erenatum L. 599 . . 
erenulatum F. . . . 
— Giraydeius 
- pneter 
crenulosum Ad. 
Créplini Dkr. 
crocea Dh. 
croceum Sow. . . 
— Pet. 
Cumanense P. 
Cumingii Jay 
— Sow. 
cuspidatum Bens. 518 
Cuvierianum Pet. 
cylindraceum P. 
Cytora (Gray) 
decussata Lam.. 
decussatulum Ad. . 
decussatum Bon. f. 
Sow. . 
Delatreana O. . . 
Delatreanum P. 
delieatum Phil. f. 
deliciosum F. 
denselineatum P. 
dentatum Say 
depressum Sow. 
desciscens P. . 
Deshayesianum Pet. 
Desmoulinsii Sow. . 
diaphanum P. . 
diatretum Gould 
discoideum Sow. 
diseulus P. 
discus Sow. C 
disjuncta Math. f. 
disjunetum Morel. . 
— Moric. . 
dislocatum Baird 
dissectum Sow. , 
distinctum Sow. . 
distomella Sow. . 
dolium "Thom. f. 
Dominicense P. 1 
Dorbignyanum Pet. 
Draparnaudii Math. f. 
dubiosum Ad. 
dubium P. : 
Duffianum Ad. . 
Duisabonis Grat. 
Dutertreanum Pet, . 
INDEX. 
224 
317 
317 
29 
67 
314 
289 
251 
987 
255 
203 
124 
1295 
125 
282 
17 
91 
313 
189 
125 
86 
155 
169 
317 
153 
293 
215 
317 
199 
68 
287 
178 
177 
193 
208 
290 
33 
e 
o 
100 
99 
317 
258 
160 
977 
230 
24 
36 
317 
242 
279 
317 
25 
52. 310. | 
29 
206 
293 
Cyelostoma Dysoni P. . 
Egea P. 
elatum P. 
elegans Dr. 
edm. 
— . antiquum Bronn. 
elongatum Gray. . 
— Serp £s 
erosu Q. et? L9 
euehilum P5575 709 
euomphalum Phil. . 
eusarcum P.. 
evolutum Rv. . . 
excavatum Serr. f.. 
excissilabrum MIf. . 
exigua H. & J. . 
exiguum Sow. . 
eximium Mouss. 
expansilabre P. . 
expansum P. 
fallax P. . 
fascia Gray 
fasciatum Hutt. . 
fasciculare P. 
fecundum Ad. 
ferruginea Lam. 
fibula Sow. 
fibulum Jay . 
filocinctum Bens. 
filosum Sow. dinspua 
fimbriata Lam. . 
E Que: 
fimbriatulum Sow. . 
fimbriatum Held 
flavidum Wood . 
flavilabre Pet, 
flavula Lame 52909 
flavum Brod. . 
flexilabrum Sow. 
foliaceum P.. 
formosum Sow. . 
fornicatum P. 
Fortunei P. 
fulguratum P. 
fulvescens Sow. . 
fulvifrons Sow. . 
fulvum Gray 
funiculatum Bens. . 
fuscolineatum Ad. , 
fusculum P. . 
Garreli Soul. 
gibbum Eyd. 
giganteum Gray 
Gironnieri Soul. 
glabrum Schübl. f. 
glaucum Sow. 
