COiq'TE:N"TS. 



Page. 



Introduction 5 



Distinctive characters of the species ' 6 



Common names 6 



Differentiating marks in adults 6 



Designations of young sahuon 7 



Hybridization 10 



Resemblance of the young 11 



Detailed descriptions of the young 13 



Humpback salmon ' 13 



Dog salmon 14 



King salmon 15 



Coho salmon 16 



Sockeye salmon 17 



Steelhead trout 19 



Charr, or Dolly Varden trout 19 



The basins studied 20 



Conditions controlling the work 20 



Method used to determine migratory movements 21 



The Naha 22 



Character of the stream 22 



Yield of salmon 23 



Catch of young salmon in the trap 25 



Yes Bay Stream 27 



Karluk River 28 



Suitability as a spawning stream 28 



Movements of young salmon as shown l)y trial catches 28 



Conditions reported in British Columbia 30 



Summary of observations 31 



Yoimg salmon in fresh water 31 



The sockeye 31 



Movement of fry above the lakes 31 



Food and feeding 32 



Food supply in relation to the hatching season 34 



Growth in fresh water 34 



Migration of yearlings 36 



King salmon 40 



Age and season of migration 40 



Effect of change from fresh to salt water 42 



Food 43 



Coho salmon 44 



Earliest migrations 44 



Food and habits 44 



3 



