Table lio== Sex ratio of sea lamprey runs in eight tributaries of northern Lake Huron 

 and one of Lake Superior during 1950 season. 



STREAM 



TOTAL 

 CATCH 



TOTAL FOR 

 "WHICH S5JC 

 DETERMINED 



NO. OF MO. OF RATIO OF MALES 

 MALES FEMALES TO FEMALES 



Jake Huron; 

 Control Zone H-l 

 Trout River, Pres. 



Isle, Co, 

 Ocqueoc River, Pres. 



Isle, Co. 

 Carp Creek, Pres. 



isle, Co. 

 Grace Harbor Cr., Pres. 



Isle, l o. 

 Green Creek, Cheboygan 



Co. 

 Carp Lake River, Emmet 



Co. 

 Little Black River, 



Cheboygan, Co. 

 Elliott's Creek, 



Cheboygan, Co. 



TOTAL 



28,723 



27,088 



19,396 7,692 252:100 



Lake Superiors 

 Pendill's Creek, 

 Chippewa, Co. 



38 



38 



20 



18 



111:100 



13 



