GEOGRAPHICAL DISTRIBUTION OF NEW YORK UNIONID^E 67 



Anodonta Ferussaciana, Lea. 



New York. 



Hudson river system 



Delaware system 



Susquehanna system 



Little lakes, Otsego county Call. 



Chemung river, Chemung county Walker. 



Erie canal, Onondaga county Beauchamp. 



Seneca lake „ S. H. Wright. 



Cayuga lake Morgan. 



Keuka lake Wright. 



Penn Yan , . Wright . 



Oak Orchard creek Newcomb. 



Pittsford, Monroe county Crump. 



Nine Mile creek, Camillus-Marcellus Beecher. 



New Jersey. 



Sterki. 



Ontario. 



Ottawa Latchford. 



Ohio. 



Ohio river, Cinn Leslie. 



Ohio river system Sterki. 



Michigan . 



Detroit river c , Beecher . 



Grand Rapids State Coll. 



Indiana. 



Connorsville Walker . 



Illinois . 



Kishwaukee river Hinkley. 



Winnebago county Hinkley. 



Wisconsin . 



Twin lakes Walker. 



Iowa. 



Marsh. 



An. subcylindracea is a synonym of the species. The above 

 list includes localities reported for Ferussaciana and subcylin- 

 dracea. 



The combined species occur in the eastern St. Lawrence and 

 Mississippi drainage systems. 



