FAMILY PERCIDAE 225 



northern Michigan and southern Ontario, and southward into the 

 northern Ohio drainage. It was tentatively identified in the field by 

 Surber (1920) from the White Water River in Winona and Olmsted 

 counties, Minnesota in September 1918. Its occurrence in Minnesota 

 is doubtful, for Greene (1935) found it only in the southeastern part 

 of Wisconsin. There are no specimens in the University of Minnesota 

 collections. 



