PROPAGATION AND DISTRIBUTION OF FOOD FISHES, FISCAL 



YEAR 1923/ 



By Glen C Leach. Assistant in Charge. Division of Fish Culture. 



CONTENTS. 



INTRODUCTION. Page 



Fishes of interior waters 3 



Commercial fish culture 4 



Cooperation with States, other Federal agencies, and foreign govem- 



Sentiment in favor of fish protection 5 



ments 7 



PART I— FISH PRODUCTION: PROPAGATION AND RESCUE WORK. 



Tabular summaries of operations S 



Species of fishes handled 8 



Output 9 



Egg collections 10 



Fish-rescue work 11 



Stations and .substations and output of each 13 



Egg-collecting or auxiliary stations 18 



Fish food u.sed at hatcheries 20 



Hatchery fish-cultural notes 21 



Method of preparing food for young salmon 21 



Test of copper sulphate for eradication of fungus 22 



Parasitic affection in whitefish jars 22 



Hatching eggs in gravel 23 



Commercial fishes 23 



Pacific salmons 23 



Afognak (Alaska) station 24 



Yes Bay (Alaska) station 25 



Baker Lake (Wash.) station and substations 26 



Baker Lake (Wash.) station . 26 



BirdSTiew (Wash.) substation 27 



Brinnon (Wash.) substation 28 



Duckabush (Wash.) substation 28 



Quilcene (Wash.) substation 29 



Sultan (Wash.) substation 29 



Quinault (Wash.) station 29 



Clackamas tOreg. ) station and substations 33 



Clackamas (Oreg.) station %i 



Upper Clackamas (Oreg.) substation .34 



Little White Salmon (Wash.) substation 34 



Big White Salmon (Wash.) substation 35 



Rogue River (Oreg.) substation 35 



Applegate Creek (Oreg.) substation 36 



Sandy River (Oreg.) substation 36 



Washougal River Twash.) substation 36 



Salmon (Idaho) substation 37 



^ Appendix XIII to the Report of the F. S. Commissioner of Fisheries for 1923. B. F. 

 Doc. No. 964. 



