NORTH AMERICAN CONCHOLOGT. 



105 



[PfeiflFer, Monographia Helic. Vivent.] 



Page. 



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Name. 

 Heli:s Buffoniana Pfr. 

 Humboldtiana Vol. 



H. badiocincta Wiegm. 

 Vancouverensis Lea. 

 piano rboides Raf, 



Mesomphix planorboides Raf. 



H. concava Say. 

 coactiliata Fer. 



H. fasciata Ny'st. 

 Nystiana Pfr. 

 oajacencis Koch. 

 irrorata Say. 

 nemoralis Linn., ^c. 



H. hortensis Miill., &c. 

 suhglohosa Binn., &c. 

 tudiculata Binn. 

 albolabris Say. 



H. major Binn. 

 multilineata Say. 

 Pennsylvanica Green. 



H. clausa Say. 

 Mitchelliana Lea. 

 zaleta Say. 



11. albolabris (var.) Fer. 

 palliata Say. 



Helicodonta denotata Fer. 



Helix notata Desh. 



Caroliniensis Lea. 

 obstricta Say. 



H. denotata (var.) Fer. 



Carocollu helicoides Lea. 

 appressa Say. 



Helicodonta linguifera Fer. 

 dentifera Binn. 

 elevata Say. 



Helicodonta KnoxvilUana Fer. 



Mesodon helicinum Raf. 

 pachyloma Mke. 

 Mobiliana Lea. 

 Sagraiana Orb. 

 Ghiesbreghti Nyst. 

 tenuicostata Dunk. 

 flavescens 31us. Berol. 



Locality. 

 Rio Frio, Mexico. 

 Mexico. 



Columbia river. 

 Illinois, &c. 



Tabasco, &c. 



Oajaca. 

 Pennsylvania. 

 Europe and America. 



California. 

 Missouri, Ohio, &c. 



North America. 

 North America. 



Ohio. 

 Ohio, &.G. 



Illinois, &c. 



Ohio. 



Ohio, &c. 



Vermont. 

 Ohio? 



Texas. 



Mobile. 



Cuba, California. 



Mexico. 



Mexico ? 



Mexico. 



