48 



2942 Venericardia crassicostata Sby. 1825. 



2943 V: (ventricosa var?) Gouldii Dall. 



2946 Venericardia incisa Dall, 1902. 



2945 Venericardia monilicosta Gabb? 1861. 

 2948 Venricardia prolongatus Cpr. 



2095 Venericardia barbarensis 



2096 Venericardia borealis 

 2201 Venericardia crassidens 



2319 Venericardia crassicostata Sby. 



2320 Venericardia cuvieri Brod. 



2947 Venericardia rudis Gray. 



2944 Venericardia Stearnsi Dall. 

 1157 Venericardia ventricosa Gould. 

 2187 Venerupis foliacea Desh. 

 2186 Venerupis lamellifera 



1123 Venus kennerleyi Carpenter. 



114 Venus fluctifraga 



1451 Venus Kennicottii Dall. 



351 Venus fordii 



303 Venus (Chione) simillima Sby 



115 Venus succincta 



1124 Venus toreuma Gould. 



1125 Vermetus compactus Carpenter. 



1126 Vermetus squamigerus Carpenter. 



345 Vermiculus fewkesi 



3163 Veronicella olivacea Stearns, 1871. 



347 Vertagus gemmatus 



346 Vertagus lordii 



1127 Verticordia acuticostata Philippi. 

 382 Verticordia ornata D'Orb 



1838 Vertigo Binneyana Sterki. 



30 Vertigo bollesiana 

 1709 Vertigo coloradensis 



2582 Vertigo Coloradoensis Arizonensis 

 1837 Vertigo DaUiana (See 1493). 



1839 Vertigo Gouldii Binn. 

 29 Vertigo milium 



2923 Vertigo Gouldii lagganensis 



2924 Vertigo Andrusiana 



2928 Vertigo concinnula Cockerell. 



2929 Vertigo modesta 

 2559 Vertigo occidentalis 



2930 Variety Parietalis Ancey. Utah 



2931 Variety Corpulenta Morse. 



2932 Variety Castanea Sterki. 



2933 Vertigo Columbiana Sterki. 



2934 Variety Utahensis Sterki. 



2935 Vertigo coloradoensis basidens. Bland, N. M. (Ashmun), 



2936 Variety Arizonensis 

 38 Vertigo ovata 



31 Vertigo simplex 



3082 Vesicomya suavis. Gulf of Cal. 

 1654 Vitrea arborea Say. 

 1857 Vitrea Binneyana 



1854 Vitrea cellaria 

 2558 Vitrea fagalls 



1859 Vitrea Diegoensis Hemphill. 



1855 Vitrea Draparnaldi 

 1853 Vitrina exilis: Unalaska. 



1856 Vitrea Hammonis: N. C. — Colo. Palsearctic. 



