Bull., U. S. B. F., 1928. (Doc. 1047.) 



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Fig. 2.— Chinook salmon marked by Ilie removal of the adipose fin and the right ventral fin. Ilhistiating a typical scar resulting 



from the removal of a ventral fin 

 Fig. 3.— a typical scar resulting from the removal of the posterior half of the dorsal fin 



