Table 7 -Average lengths (in inches) of sea lampreys from five index 

 streams of Lake Superior, 1953 



Stream 



Males 



Females 



Sexes combined 



Number Length 



Number Length Number 



Length 



Au TraiD River 101 17.5 



Beaver Lake Outlet 3 16.3 



Miners River 22 17.1 



Furnace Greek - — 6 17.7 



Laughing Whitefish River - - 3 17.2 



All streams 135 17.4 



85 

 4 



31 

 5 

 3 



18.1 

 17.4 



17.6 

 17.5 

 17.7 



186 



7 



53 



11 



6 



17 8 

 16.9 

 17.4 

 17.6 

 17.4 



128 



17.9 



263 



17.7 



23 



