NORTH AMERICAN CONCHOLOGY. 



241 



338 Unio hydranus. 



338 



heros. 



338 



inflata. 



338 



lens. 



338 



Mississippiensis 



338 



multiplicatus. 



338 



nodiferus. 



338 



nobilis. 



338 



nasutus. 



338 



nodulatus. 



338 



obesus. 



338 



plicatus. 



338 



perplicatus. 



338 



porrectus. 



338 



purpuratus. 



338 



pustulosus. 



338 



pustulatiis. 



338 



quadrulus. 



338 



ITnio rectus. 



338 



siliquoides. 



338 



subovatus. 



338 



trapezoides. 



338 



trigonius. 



338 



tuberculatus. 



338 



Anodonta grandis. 



338 



plana. 



338 



suborbiculatus 



338 



decora. 



338 



Stewartiana. 



339 



Helix alternata. 



339 



auriculata. 



339 



fraterna. 



339 



hirsuta. 



339 



interna. 



339 



pulchella. 



339 



tridentata. 



Bland. — Descriptions of two new species of North American 

 Helicidse : by Thomas Bland. (From Annals N. Y. Lyceum, 

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

 American Helicidae. 



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

 marks on certain species of North American Helicidffi, 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. 





AnNAI.3. 





Remarks. 

 Pt. Pago. 





vX 



Page. I'l. 



Fig. 



Name. 



vi 



277 ix 



14-16 



1 1 



Helix Edvardsi Bland. 



Faj'ette or Green Briar Co., Va 



vi 



279 ix 



11-13 



1 3 



sculptilis Bland. 



Anantehely Mountains, N. C. 



vi 



283 ix 



17-20 



1 7 



fatigiata Say. 

 II. Dorfcuilliana Desh. 

 Texasiana Desh. 



vi 



288 ix 



21-23 



1 12 



Troostiana Lea. 

 II. fatigiata Binney. 



plicata Binney. 

 Polyrjyra Troostiana Lea. 



16 



