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NEW YORK STATE MUSEUM 



Unio coccineus, Lea 



New York. 



Lake Erie, Erie county Marsh . 



Pennsylvania. 



Allegheny river, Warren county , Beeoher . 



Ohio. 



i 



Scioto river Beecher. 



Ohio river system Sterki. 



Michigan. 



Grand river, Grand Rapids State coll . 



Various localities, all in great lake basin Walker . 



Indiana. 



Marsh. 



Illinois. 



Mercer and Winnebago counties Hinkley. 



Spoon river Strode. 



Wisconsin. 



Marsh. 



Iowa. 



Coon river, Dallas county Walker. 



Missouri. 



Marsh. 



Kansas. 



Cottonwood river, Emporia Quintard. 



Arkansas. 



, Marsh . 



Occurs in the St. Lawrence and Mississippi drainage systems 

 Found in both systems in New York. 



Margaritana complanata, Barnes. 



New York. 



Near Buffalo Coleman T. Robinson. 



Ohio. 



Ohio river system Sterki . 



Indiana. 



Marsh. 



Michigan. 



Rouge river, Wayne county Walker. 



