1891.] WALTON — MOLLUSCA OF MONROE COUNTY. 17 



Margaritana deltoidea, Lea. Erie catial. 

 Alasmodonta deltoidea, Chenu. 



Margaritana marginata, Say. Erie canal. 

 Alasmodonta triincata. Say. 

 Unio varicosa, Lam. 

 " calceolus, Say. 

 Alasmodonta corrugata, De Kay. 



Anodonta Benedictii, Lea. Erie canal. 

 Anodonta cidtrata, Gld. 



Anodonta edentula, Say. Long Fond. 



Anodonta areolata, Swain. 

 " unadilla, De Kay. 



Alasmodonta rhombica, Anth. 



Hemiodon areolatus, Swain. 

 Anodonta excurvata, De Kay. Pittsford. 

 Anodonta Ferussaciana, Lea. Erie caftal. 



Alasmodonta Ferussaciana, Kust. 

 Anodonta ferruginea, Lea. Genesee river. 

 Anodonta fluviatilis, Dill, Allen's creeh. 



Atiodonta cataracta, Say. 



" marginata, Say. Ads. 



Anodonta fragilis, Lam. Fittsford. 

 Anodonta pallida, Anth. 



" imbricata, Anth. 



" flava, Anth. 



" glandulosa, Anth. 



" irisans, Anth. 



" subcarinata. Currier. 



Anodonta imbecillis, Say. Irondequoit creek. 

 Anodonta incerta, Lea. 

 " horda, Gld. 



Anodonta implicata, Say. Charlotte. 



Anodonta Ne^vtoniensis, Lea. 

 " implicata, Gld. 

 Anodonta Lewisii, Lea. Erie canal. 

 Anodonta salmonia, Lea. Erie canal. 

 Anodonta subcylindracea, Lea. Irondequoit creek. 



2, Proc. Roch. Acad, of Sc, Vol. 2, April, 1892. 



