Bull. U. S. B. F., 1912. 
Plate XIII. 
Fig. 23. — Dog salmon scale, X 40. From specimen 6 inches long, in first 
year. Fellingham, Wash., August 2, 1909. 
Fig. 24. — Dog salmon scale, X 25. From mature male grisle, 21 inches long, in 
second year. Bellingham, Wash., August, 1910. 
