38 [Senate 



7 Anodonta STJBCYLiNDRicA, Lea. Dekay's New- York Fauna, Part 



V, pa. 200, pi. 16, f. 229. 



One variety from Genesee river. 



8 Anodonta edentula, Lea. Dekay's New-York Fauna, Part V, pa. 



201, pi. 16, f. 231. 



A. AREOLATUs, Swalnsou. 



TwK) varieties from Genesee river. 



9 Anodonta itndulata, Say. 



Alasmodon undulata. Dekay's New-York Fauna, Part V, pa. 198, pi. 



15, f. 227. 



A. id Gould. Lea, Adams. 



A. pennsylvanica. Lam. 



The specimen is from Genesee river. 



10 Anodonta cylindeica ? Lea. 



From the creek at Buffalo. 



11 Anodonta benedictensis, Lea. Dekay's New-York Fauna, Part T, 



pa. 204, pi. 18, f. 235. 



In Genesee river; and Lake Ontario, near the mouth of the river. 



12 Anodonta imbecilis. Say. Not described by Dekay. 



Erie canal at Rochester; a very delicate shell, two inches or more in 

 length. 



