728 



Velletia, II, 34. 



• — excentrica, II, 87. 



Velobita, II, CaS, 63o. 



Venebicabdia , II, 538, 62 a. 



Vends, II, 62a. 



Vebena, II, 3o8, 3i5, 817, 3i8. 



— crenocai'ina, II, 3io, 3i5. 



Vebonicella, I, 671. 



— lœvis, I, 681. 



VERTIGO.Mûller, 1,314, 699. 



— ovata, Say, I, 3i5, 316, 680, 



681. 



— peUucida , 1 , 3 1 1 . 



— pusiila, I, 3i4. 



INDEX ALPHABETIQUE, 



VERTIGO simplex, I, 3i5. 



ViBEX, II, 3o8. 



— Schiedeana, II, 367. 



Videna Oajacensis, I, 2i5, 287. 

 ViLlOBITA, II, 63o. 



VlTBIN'A, II, 684. 



— Augeiicae, I, 199. 



— femorata, II, 286. 



— Fleniingi, I, 197. 



— iimpida, I, 199. 



— Mexicaaa, I, 199. 



— Pfeifferi, I, 1 99. 



— Sumichi'asti , I, 199, 201. 



ViTTA, II, 456, 4*71, 476. 



Vittaore subcroceo, II, 488. 



ViTTA picta, II, 486. 



— piipa,II, 488. 



— subviridis, II, 4 80. 



— trabalis, II, 477. 



— viridis, II, 491. 



ViviPARA, II, 281. 



— communis, II, 282. 



— iuoniata, II, 291. 



— vera, II, 282. 



ViVIPABUS, II, 981. 



— fluviorimi, II, 281. 



VoLUTA eoffea, II, 11, 28. 



— heteroclita, II, 6, 9. 



VoLliTAXIS, II, 681, 682. 



XANTHONYX, Crosse et Fischer, I, 



192,198, 699; II, 678, 681. 



— Chiapensis, Pt'eiffer, I, 203, 



577. 



X 



XANTHONYX Cordovanus, 



Pieiller, 1,200, 202,208,577. 

 — Salleanus, PCeifier, 1, 199, 201, 

 20a , ao3, 577. 



XANTHONYX Sumichrasti, Brot, 

 I, 192, 201. 



Xebopuila areolata, I, a62. 



ZEBRA, SliuUlewortli, I, 427, 436, 

 437, 441. 



— MûIIeri, I, 44i, 445. 



ZONHYALINA, I, 169. 



— biiineata, I, 167. 



— Jalapensis, II, 668. 



ZONITES, Denys de Montfort, 1, 142 , 

 151, 699; II, 673. 



— algirus , 1 , 1 4 9 . 



— bilineatus, Pfeifîer, I, 148, 



167. 



— caducus, Pfeiffer, I, 148, 162, 



163; II, 680. 



— carinatus, Suebel, II, 663. 



ZONITES elegantulus, Pieiûer, I, 

 177. 



— euryomphalus, Pfeiffer, 1, 143, 



155, 169. 



— fuliginosus, Griûith, I, i43, 



164. 



— îulvoideus, Pfeifler, I, 177. 



— iuoriialus, I, i5o. 



— Jalapensis, Strebel, II, 663. 



— kopnodes, I, i5o. 



— lucubratus, Say, I, 160. 



— metonomasticus, Grosse et Fi- 



scher, I, 157. 



— minusculus, A. Binney, I, 175; 



II, 681. 



— nitidopsis, Morelet, I, 173. 



ZONITES nitidiis, I, 178. 



— Paradensis, Pfeiiïer, I, 158. 



— pauciliratus, Morelet, I, 173. 



— Selenkai, Pfeiffer, I, 171, 17a. 



— subhyalinus, Pfeiffer, I, 172. 



— Tehuantepecensis, Crosse et 



Fisclier, I, 174. 



— trochulinus, Morelet, 1, 172. 



— Tuxtlensis, Crosse et Fischer, I, 



166. 



— Veracruzensis, Pfeiffer, I, 1 58, 



159. 



— vitrinoides, Tristram, I, 170. 



ZuA, I, 588. 



