NOIITII AMERICAN CONCIIOLOGY. 



117 



[Pfeiffer, Monograpbia Helic. Vivent.] 



77. Dorfeuilleana Lea. 

 Helix hippocrepis Pfr. 

 *fatigiata Say. Teun. 

 Pol yyyra fati giata Say. 

 H. Texasiana B Pfr. 

 Dorfeuilleana Desh, 

 fatigiata Shuttl. 

 Jiiiitima Desh. 

 palliata Say. 

 11. denotata Fer. 

 notata Desh. 

 Carolinieitsls Lea. 

 obstricta Sny. 



IL palliata (var.)Biuu. 

 appressa Say. 



IL lingiiifera Fer. 

 inflecta Say. 



IL clausa Raf. 

 Rugeli Shuttl. 

 pustula Fer. 

 leporina (Jottld. 



IL jnistula (var.) Pfr. 

 dentifera Binn. 



11. Roemeri Pfr. 

 monodon Rack. 

 11. couvexa Raf. 

 fraterna Say. 

 Leaii Ward, 

 germana Gould. 

 *major Binn. 



Florida, &c. 

 H. albolabris (var )Fer. 

 Polygyra major M.E.Gr. 

 albolabris Say. 

 multilineata Say. 

 *Pennsylvanica Green. 

 IL Mitchelliana Desh. 

 Polygyra Pennsylvanica 

 M. E. Gray. 

 * clausa Say. 

 *Mitchelliana Lea. 

 IL Mitrhella Kirt. 

 *divesta Gould. 

 11. abjecta Gould. 



