HOW THE TROUT CAME TO CALIFORNIA. 28 / 



gibbsii . . Columbia Basin, from Shoshone Falls to 

 Cascades. 



STEEL-HEAD TROUT : SALMO GAIRDNERI. 



gairdneri . Coastwise streams, from Puget Sound to Pt. 



Sur. 



kamloops . Lakes of Upper Columbia and Fr^er River- 



beardsleei . Lake Crescent. 



crescentis . Lake Crescent. 



stonei . . Upper Sacramento. 



shasta . . Upper Sacramento. 



gilbert! . . Kern River, etc. 



agua-bonita Volcano Creek, etc. 



RAINBOW TROUT : SALMO IRIDEUS- 



irideus . . Coast Range brooks in California 

 masorii . . Coast Range brooks in Oregon. 



The following very hypothetical diagr?^ 

 their relationships : 



MYKI55 



BOUVIERl 



