SECTION A.] NORTH AMERICAN CONC.HOLOGY. 



C2Y 



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Paludina decisa Say* 

 Valvata tricarinata Say. 

 Unio complanatus Lea. 

 Margaritana rugosa Barnes. 

 Anodonta cygnea? Linn. 

 edentula Say. 



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243 



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Anodonta fragilis Linn. 



Footiana Lea. 

 Cyclas similis Say. 



partumeia? Say. 



dubia? Say. 



Bell. — Catalogue of Animals and Plants collected and observed 

 on the southeast side of the St. Lawrence, from Quebec to 

 Gaspe, and in the counties of Ritnouski, Gaspe and Bonaven- 

 ture : by Mr. Robert Bell, Jr., Assistant to Mr. James Rich- 

 ardson, Geological Explorer under Sir William Logan, in 

 1358. (From same as last, p. 243.) 



