NORTH AMERICAN CONCHOLOGY. 

 [PfeifiFer, Monographia Helic. Vivent.] 



m 



295 



Heliz Cordovana Pfr. 





H. Dorfeuilleana Lea. 





Cordova, Vera Cruz. 



318 



Helix hippocrepis Pfr. 



312 



bulbina Desh., 



318 



*fatigiata Say. Tenn. 



312 



Columbiana Lea. 





Polygyrafatigiata Say. 



312 



labiosa Gould. 





H. Texasiana B Pfr. 



313 



thyroidus Say. 





Dorfeuilleana Desh. 



313 



Baskervillei Pfr. 





fatigiata Shuttl. 



313 



devia Gould. 





fnitima Desh. 



313 



labyrinthica Say. 



319 



palliata Say. 



313 



cereolus Muhlf. 





II. denotata Fer. 





H. septemvolva Fer. 





notata Desh. 





planorbula Lam. 





Caroliniensis Lea. 



313 



volvoxis Parr. 



319 



obstripta 'iSuy. 



313 



Sayii Binn. 





H. palliata (var.)Binn. 





H. diodonta Say. 



319 



appressa Sny. 



313 



tridentata Say. 





II. linguifera Fer. 



314 



fallax Say. [Binn. 



319 



inflecta Say. 





H. tridentata (var.) 





H. clausa Raf. 



314 



*helictomphala Pfr. 



319 



Rugeli Shuttl. 





Chiapa, Mex. 



319 



pustula Fer. 



314 



vultuosa Gotdd. 



320 



leporina Gould. 



314 



*oppilata Mor. 





II. jiuKtida (var.) Pfr. 





Yucatan, Florida. 



320 



dentifera Binri. 



314 



Couloni Shuiil. 





II. liotmeri Pfr. 



315 



*Chiapensi8 Pfr. Chiapa. 



320 



mono don Rack. 



315 



*bicruris /'/>. Mexico. 





II. convcva Raf. 



316 



Hindsi Pfr. 





fruterna Say. 



316 



loricata Gould. 





Leaii Ward. 





II. Lccontii Lea. 



320 



germana Gould. 



317 



profunda Say. 



320 



*major Blnri. 





II. lUckardi Fer. 





Florida, &c. 



318 



ventrosula Pfr. 





77. alholahris (var )Fer. 



318 



auriculata Say. 





Polygyra major M.E.Gr. 



318 



Ariadnae Pfr. 



320 



albolabris Say. 





Metamoras. 



321 



multilineata Say. 



318 



uvulifera Sliutil. 



321 



*Pennsylvanica Green. 





II. Jlnrulifera Rve. 





II. Mitchetliana Desh. 





auriculata (min.) 





Polygyra Pennsylvanica 



318 



Tezaslana Mor. [Fer. 





M. E. Gray. 



318 



avara Say. 



321 



*clausa Say. 





II. (lurindata (var.) 



322 



*MitcheIliana Lea. 



318 



Troostiana Lea. [Hinn. 





II. Milrhella Kirt. 





Polyijiira plirata Say. 



322 



*diveata Gould. 





11. fatiylata Binn. 





U. abjccta Gould. 



