316 



INDEX. 



Triodopsis, 123 

 Triodopsis lunula, 272 

 Trophodon, 272 



Urcinella, 67 



Vaginulus flexuolaris, 306 

 Jloridanus, 305 

 fuscus, 306 

 oxi/uruf, 306 

 quadrilus, 306 



Vallonia, 157 



Ventridens, 292 



Veruiivora, 13 



Veronicella, 303 



Veronicella floridana, 305 



Vertigo, 249 



Vertigo bollesiana, 250 

 gouldii, 249 

 milium, 251 

 ovata, 252 

 pentodon, 236 

 rupicoJa, 244 

 simplex, 254 

 ventricosa, 253 



Vitrina, 26 



Vilrina americana, 27 

 augelicse, 28 



Vitrina limpida, 26 

 obi {qua, 28 

 peUucida, 27 

 pfeifferi, 28 



Vitrininse, 25 



Xolotrevia claiisa, 128 

 lunula, 272 

 triodopsis, 272 



Zilotea, 67 



Zolotrema, 271 



Zonites, 281 



Zonites caduca, 286 



cultellata, 283 

 elliotti, 291 

 friabilis, 287 

 fuliginosa, 285 

 gularis, 292 

 inornata, 289 

 kopnodes, 284 

 laevigata, 287 

 newberryana, 282 

 PCTilptilis, 21M> 

 subplana, 288 

 suppressa, 293 



Zonitinre, 281 



Zua, 224 



