Bull. U. S. F. C. 1 889.— (To face page 16.) Jordan. Colorado and Utah Explorations. 
Plate III. 
Fig. 7. Rio Grande Trout Adult. (See page 14.) 
Fig. 8. Rio Grande Trout (Salmo mykiss sj^ilurus). Young. (See page 14.) 
Fig. 9. Utah Lake Trout {Salmo mykiss virginalis). (See page 14.) 
