NORTH AMERICAN CONCIIOLOGY. 



241 



338 Unio hydranus. 



!Dland. — Descriptions of two new species of North American 

 Helicidas : by Thomas Bland. (From Annals X. Y. Lyceum, 

 February, 1858.) And, Remarks on certain species of North 

 American Helicidse. 



[These papers are also printed in pamphlet form, with the title of "Re- 

 marks on certain species of North American Helicidre, with descriptions of 

 new species." New York: H. Bailliere. The original work and pamphlet 

 are both quoted. The numbering of the plate is the same in each.] 



February, 1858. 



Remarks 

 Pt. Page, 

 1 



Vol. Page. PI. Fig. 



vi 277 ix 14-16 



vi 279 ix 11-13 



vi 2S3 ix 17-20 



vi 288 ix 21-23 1 12 



16 



Name. 

 1 Helix Edvardsi Bland. 



Fayette or Green Briar Co., Va. 

 3 sculptilis Bland. 



Anantehely Mountains, N. C. 

 7 fatigiata Say. 



II. Dorftailliana Desh. 

 Texasiana Desh. 

 Troostiana Lea. 

 II. fatigiata Binney. 



plicata Binney. 

 Polygyra Troostiana Lea. 



