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



Experiment 7 



Fig. 43.— Marked at Bonneville hatchery during October, 1920. when appro.vimatelv 13 

 months old. Recovered at Westport, Oreg., May 1, 1924, in its fifth year. Female, 38 

 inches long and weighing 22 pounds. X 13 



Fig . 44.— Nuclear region of scale shown in Figure 43, showing nucleus of average size. X 25 



