IT 



1 1 1 r 



65 



Figure 5k 



Spring distribution 

 Fall distribution 

 i Concentrations 

 — -*■ Spring migration 



■^ Fall migration 



Only the 100 fathom line is shown. 

 Mercator Projection 



Canada 



fc^-* 



5 4o 



■ \ I 1 1 J 1- 



67 



