44 FISH AND GAME COMMISSION 



steelhead life history study, now in final stages of preparation for pub- 

 lication ; and the striped bass investigation. To the latter, two men have 

 devoted almost their entire time since early in 1946, and marked progress 

 has been made in assessing the catch, in delimiting spawning seasons 

 and localities, and in evaluating the incidental effect on striped bass of 

 the river net fishery for salmon. 



Finally, a much needed check list and bibliography of California 

 fresh-water fishes is in preparation, and a manual for the use of the 

 biological staff. Sections relating to plankton collections and analysis, 

 and the study of food contents of fish stomachs, already have been com- 

 pleted. 



The publications by the members of the research staff and a list of 

 the special administrative reports prepared by the personnel of the 

 Bureau of Fish Conservation during the biennium will be found in the 

 appendix, page 63. 



It is planned that both the hatchery and research programs will be 

 expanded in the future to a point well above prewar level. This objective 

 will enable us to accomplish a more complete program of operation and 

 to expand the research activities to include investigations on many prob- 

 lems which must be solved for the most efficient conservation of fish of 

 our inland waters. 



