INDEX. 



Vallonia persica, 249. 



pulchella, 248, 249, 250, 251, 

 252. 



pyrenaica, 251. 



rosalia, 251. 

 VALLONIID^E, 248. 

 VALVATA.J^/. 

 Valvata arenifera, 352. 



bicarmata, 348, 349, jjo, 351. 



carinata, 349. 



confusa, 349. 



cristata, 347. 



depress, 348. 



lewisii, 348. 



normalis, ?J2. 



simplex, 349. 



sincera, 347, 348, 350, 352. 



striata, 348. 



tricarinata, 346, 348, 340, 350, 

 351. 



unicarinata, 349. 



Ventridens, 190. 

 VERTIGO, 240, 242. 



Vertigo milium, 228, 239, 241, 242, 243. 

 ovata, 228, 242, 243, 244. 



VERTIGOPSIS, 238. 

 VERTILLA, 241. 

 VITREA, 777, 178, 180. 

 Vitrea cellaria, 33, 177. 



draparnaldi, 178, 179, 180, 197' 

 electrina, 167, 212. 

 hammonis, 178, 180. 181, 182, 



183. 

 indentata, 178, 180, 182, 183, 



190. 



VIVIPARA, j>jj, 356. 

 Vivipara contectoides, 139, 354, 355. 

 intertexta, 353. 



VlVIPARID^E, 352. 



Zonites alachuana, 189. 

 alliarius, 180. 

 umbilicatus, 182. 

 upsoni, 242, 244. 

 ZONITID.E, 174. 

 ZONITOIDES, 180, 186. 

 Zonitoides arboreus, 178, 180-186, 187, 



188, 190, 211, 214. 

 minusculus, 180, 186, i8g. 

 nitidus, 186. 



