Figure 17, — Lake chub, Hybopsis plumbea . 



23, Hybopsis plumbea (Agassiz), lake chub (fig, 17) 



Thousands of lake chubs were captured in barrier traps on strems in Bayfield and Douglas 

 Counties, Wis. Few specimens were collected in the remaining streams of Lake Superior, 



Records by state and county; 



Michigan - Luce 19; Alger 29; Marquette 48, 51, 53; Baraga 57; Houghton 64; Keweenaw 80, 

 82, 126, 127; Ontonagon 97, 99, HI. 



Wisconsin - Bayfield 134, 147, 148, 149, 150, 151; Douglas 152, 153, 154, 155, 156, 



Minnesota - St, Louis 157, 158, 



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