Hri.i.., V. S. B. F„ 19-2S. (D.,c. 1047.) 



17 



n)str 



EXPEKIMENT 3 



Fig. 16.— Nuclear region of scale shown in Figure 15. X 25 



Fig. 17. — Marked at Little White Salmon River hatchery during the summer of 1916, when about 10 months old. Re- 

 covered hy purse seine off the mouth of the Columbia River, August 21, 1920, in its fifth year. Female, 39 inches 

 long and weighing 27 pounds. X 13 



Fig. 18. — Nuclear region of scale shown in Figure 17. X 25 



Fig. 19.— Marked at Little White Salmon River hatchery during the summer of 1916, when about 10 months old. Recov- 

 ered in the Little White Salmon Elver, September 27, 1920, in its fifth year. Female, 36.75 inches in length. X 25 



