INDEX. 



333 



Cyclas (continued). 

 ovalis, Fe"r., 8. 

 rhomboidea, Say, 10. 

 rivalis, Dup., 6. 

 rivalis, Drap., 7. 

 rivicola, Leach, 7. 

 Kyckholtii, Norm., 11. 

 Scaldiana, Norm., 6. 

 solida, Norm., 3. 



CYOLOSTOMA, 303, 304. 

 acutum, Drap., 68. 

 anatinum, Drap., 59, 63, 310. 

 contectum, Millet, 56. 

 elegans, Mull., 304, 306, 307. 

 ferritgineum, Lam., 307. 

 impurum, Drap., 61. 

 marmorea, Brown, 307. 

 simile, Drap., 62, 64, 310. 

 sulcatum, 303. 

 vitreum, Drap., 68. 



CYCLOSTOMATID^E, 302. 

 Cyclostome, Lam., 304. 

 Cyrena, 3. 



fluminalis, 3. 

 Cyrenastrum, Bourg., 3. 



Delphinula, Lam., 304. 



DREISSENA, Van Bened., 46. 

 polymorpha, Pall., 47. 



DREISSENID2E, 45. 



Elisma, Leach, 232. 

 Eulima 

 stenostoma, 296. 



GASTEROPODA, 51, 304. 

 GEOMALACUS, Allm., 129. 



maculosus, Allm., 129. 

 Glandina, Schum., 287, 297. 

 Oulnaria 



lacustris, Leach, 105. 



Helices, 173, 174, 218, 232. 

 HELICIDJC, 124, 149. 



HELIX, Linn., 149, 150, 158, 172, 

 174, 232, 243, 246, 253, 269, 

 288, 289. 



aculeata, Miill., 176. 



acuta, Miill., 233. 



albella, Linn., 229. 



albella, Flem., 229. 



alliaria, Mill., 161. 



Altenana, Kickx, 195. 



aperta, Born, 184, 185. 



arbustorum, Linn., 186, 188, 

 190. 



aspersa, Miill., 178, 181, 182, 184, 



auricularia, Linn., 108. 

 bidens, Chemn., 172. 

 bidens, Mull., 286. 

 bidens, Linn., 287. 

 Bulimoides. Moq.-Tand., 232. 

 ccelata, Stud., 196. 

 candidula, Stud., 211. 

 Cantiana, Mont., 190, 193, 194, 



209. 



caperata, Mont., 213, 215. 

 Carthusiana, Drap., 191. 

 Carthusiana, F. & H., 192. 

 Carthusianella, Drap., 194. 

 Cartusiana, Miill., 191, 192, 231. 

 cellaria, Miill., 159. 

 cespitum, Drap., 218. 

 chersina, Say, 171. 

 cingenda, Mont., 209. 

 circinnata, Stud., 196. 

 clandestina, Hartm., 196. 

 clara, Held, 169. 

 cochlea, Brown, 92. 

 complanata, Linn., 91, 92. 

 concinna, Jeffr., 196, 198. 

 conica, Drap., 232. 

 conspurcata, Drap., 215. 

 contorta, Linn., 94. 

 cornea, Linn., 93. 

 Corvus, Gmel., 114. 

 costata, Miill., 225. 

 crenella, Mont., 225. 

 depilata, C. Pfeiff., 198. 

 Draparnaudi, Shepp., 84. 

 edentula, Drap., 172. 

 electrina, Gould, 165. 

 elegans, Drap., 216. 

 ericetorum, Miill., 216. 

 ericetorum, Nilss., 217. 

 excavata, Bean, 168. 

 explanata, Mull., 229. 

 fasciolata^oir., 215. 

 fossaria, Mont., 117. 





