NORTH AMERICAN CONCHOLOGY. 



ICY 



[PfeiflFer, Monographia Helic. Vivent.] 



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Name. 

 Polygyra plicata Say. 

 fatigiata Say. 

 Heliz avara Say {Polygyra). 

 H. Sayii Wood. 



auriculata Binn. 

 Stenotrema avara Raf. 

 Troostiana Lea {Polygyra'). 

 clausa Raf. 

 H. injlecta Say. 

 Tridopsis clausa Raf. 

 Gonostoma clausum Held, 

 convexa Raf. 

 H. monodon Rack. 

 hirsuta (a) Fer. 

 Stenotrema convexa Raf. 

 H. fraterna Say. 

 Leaii Ward, 

 spinosa Lea {Carocolla). 

 hirsuta Say. 



H. fraterna Wood. 

 sinuata (y) Gmel. 

 isognomostomos Gmel. 

 stenotrema Fer. 

 pustula Fer. 



Edgariana Lea (Carocolla). 

 Oregonensia Lea. 

 tenuistriata Biim. 



Doubtful Species. 



Locality. 



Louisiana, &c. 



Tennessee. 

 Missouri, &c. 



Ohio, Texas. 



Alabama. 



Texas. 

 Tennessee. 

 Oregon. 

 Tennessee. 



Helix contortuplicata Beck {Polygyra). Mexico. 

 exoleta Say. 



Fabricii Beck. ^ H. nitida Fair. 



hieroglyphica Beck. {Euryomphala). North America. 

 implicata {Dxdolochila) Beck. Mexico. 



Vol. ii, 1848. 



f)? Bulimus Dombeyanus {Helix) Fer. 



Lymiiea rugosa Val. 

 81 Gossei Pfr. (var. 6). 



84 punctatissimua {Clausilla) Less. 



Clausilia exesa Pot. & Mich. 



Helix exesa { Cochlodina) Fer. 



Auricula fuscn gula Lea. 



Pupa septemplicala Muhlf. 



Mexico, &c. 



Texas. 



Brazil I Mexico ' 



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