Report U. S. F. C. 1887.— (To face page 88.) Fisheries of the Great Lakes. 



Plate XIX. 



Figr. 1. 



Fig". 3. 



Fig-. 4. 



ffl 



Fig. 2. 



Gill-net Rigs. 



Fig. 1. Float and stone rig. 

 Fig. 2. Sectional view of float. 



Fig. 3. Cork and lead rig. 

 Fig. 4. Cork and ring rig. 



