H. R. Mis. Doc. No. 21 1.— Exploration Alaskan Salmon Rivers. 



Plate I. 



FlG. 1. THE KING SALMON (Oncorhynchus chouicha). (See page 28.) 



Fig. 2. The Dog Salmon (Oncorhynchus keta). (See page 30.) 



FlG. 3. The SILVER SALMON (Oncorhynchus kisutch). (See page 30.) 



