424 TABLE ALPHABÉTIQUE 
Cyclas fontinalis, Drap. 
— … lacusiriss Drap. 0% 
—  Jlacustris, Moq. . . . 
—  lenticulare, Norm. 
— minima, Stud. . . 
—  Monchousii, Comp... . 
—  nitida, Hart. . 
—"nucleus; Stud... 
—  obtusalis, Lamk. . 
— 4. OVAlIS, Her 0" 
—  palustris, Drap. . 
—  pusilla, Turt. . 
—  Ryckholtii, Moq. . 
—  Ryckhollii, Norn. 
— ‘ rivalis, Drap. +. . 
—  rivalis, Gass. . . 
—rvICOld, lieach. 
—  rivicola, Moqg. . . 
—  Scaldina, Norm. ,. . 
—  solida, Norm. 
—  Terveriana, Dup. 
—  luberculata, Kie!s. 
—  uncinatum, L'Hop. . 
— _vitrea, Risso. 
EXCLOSTOMA, Drap." 
Cyclostoma achatinum, Drap. . 
—  acutum, Drap. 
—  affinis, Risso. . . 
—  anatina, Drap. . 
Cyclostoma asteum, Bret. . . 
—  Bourauignati, Mab. . 
Cyclostoma breve, Drap. .: . 
—  car'husianum, Moq.. 
—  contectum, Mill. . . 
Cyclostoma elegans, Müll.. . 
Cyclostoma fuscum, Moq. . 
—  gibbum, Drap. 
—  impurum, Drap. . 
—  jaculutor, Flem. 
—  Jlineatum, Fer. 
—. Jitforina, Scach. + « 
Cyclostoma Lutetianum, Bret. 
Cyclostoma maculatum, l'esh. . 
—  maculatum, Drap. 
—  Nouleti, Mog. . 
—… obscurum, Drap..." 
—  obscurum, Gras.. 
—  obscurum, Moq.. . 
—  obtusana, Drap. . . , 
—  Partioti, Moq. . . . 
. 
0 
. 
. 
. 
257 
255 
255, 257 
260 
251 
26) 
258 
255 
297 
255 
262 
258 
256 
256 
254 
255 
253 
254 
254 
253 
256 
255 
256 
259 
211 
222 
«39 
211, 213 
226 
211 
211 
229 
215 
291 
212 
218 
233 
223 
223 
219 
220 
212 
217 
217 
215 
213 
215 
244 
218 
215 
—  patulum, Drap. . . 216, 217 
Cyclostoma physetum, Brgt. . 
+ 
212 


Cyclostoma seplemspirale, Moq. 
—  simile, Drap... . 
— _ striola‘um, Phil... . 
—  subelegans, Brgt, . 
Cyclostoma sulcatum, Drap. 
Cyclostoma truncatulum, Drap. 
—  turriculatum, Menke. . 
—  vitreum, Drap. 
—  viviparum, Drap. 
CYCLOSTOMIDÆ 
Cyclostomus elegans, Montf. 
Cylindrus inornatus, Hart. 
Cysecyclus lacustris, Fago‘, . 
—  simplex, Fagot, 
DaupEBaARDIA, Hart. 
Daudebardia breripes, Lrap. 
—  rufa, Drap. > 
Delomphalus rupestris, Hart. 
—  saxallis, Hart. 
Diastropha con'orta, Gray. . 
Discus aculeatus, Adams. . 
—  cristallinus, Fitz. 
— pygmæus, Fitz. . 
—  rotundatus, Fitz. . . 
— ruderatus, Fitz. . 
—  rupestris, Adams, 
Dreissena Belgrandi, Brgt. . 
—  cochleata, Guerne. . 
—  fluviatilis, Bret. . . 
—  polymorpha, Bened. 
DrrissensiA, Beneden. 
. 
Dreissensia Belgrandi, Brgt . 
—  cochleata, Kickx. 
—  fluviatilis, Bret. 
DREISSENSIDÆ. . . 
Elisma fasciata, Leach. , 
Ena montana, Leach. . . . 
—  obscura, Leach. . , 
Eruca fragilis, Swains. . . 
—  muscorum, SWains. . 
—  umbilicata, Swains.. 
Eucore quadridens, Agass,. 
Euglesa Henslowiana, Leach. 
Eulo'a fruticum, Hart . . . 
Euparipha rhodos'oma, Hart. 
Euphemia obvolu'a, Menke. . 
Euryomphala pygmiea, Beck. 
—  rotundata, Beck... 
—  ruderata, Beck. 
-—. rupes ris, Beck. . 
—  unbilicata, Beck. 
FerussaciA, Risso. 
217 
224 
216 
212 
213 
220 
29 
234 
221 
211 
212 
176 
210 
208 
193 
85 
