Figure 18. — Scale of a "jack" chlnook salmon (upper left), age 

 1.1, and a coho salmon (lower right), age 1.1. 



■*«■■. 



Figure 19. — Scale of "jack" salmon: Chinook salmon (upper 

 left), age 1.0 and coho salmon (lower right), age 2.0. 



11 



