GEOGRAPHICAL DISTRIBUTION OF HEW YORK UNIONID.E 



The following lists of selected localities will serve to show the 

 general distribution of each species and to show in what drainage 

 systems each species occurs : 



Unio alatus, Say. 



New York. 



Lake Champlain 



Erie canal, Troy. (Dead valve) Call. 



Champlain canal, Waterford De Kay. 



Champlain canal, Waterford. (Dead valve) . . . Aldrich. 



Oneida river Beauchamp. 



Seneca river , Beauchamp. 



Erie canal, Cayuga county Wright. 



Genesee river Pickett coll. 



Pittsford, Monroe county Crump. 



Tonawanda creek, Niagara county S. H. Wright. 



Pennsylvania. 



Allegheny river, Warren county Beecher. 



Ontario 



Ottawa Latchford. 



Hamilton bay Leslie. 



Lake Erie, Port Dover ... Leslie. 



Ohio. 



Whetstone river , Beecher. 



Ohio river, Cincinnati Beecher. 



Michigan. 



Detroit river Walker. 



Grand river, Kent county Walker. 



Illinois. 



Several localities Hinkley. 



Indiana. 



Marsh. 



Wisconsin. 



Marsh. 



Iowa. 



Muscatine Walker. 



Kansas. 



Kansas river Beecher. 



Eastern portion Quintard. 



