138 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



STEELHEAD TROUT 



Table 22. — Steelhead trout run, Columbia River, 1938 



Catch in number of fish estimated on the basis of an average weight of 10 pounds. Data combined and arranged 



corresponding weeksj 



by 



Table 23. — Catch and escapement of steelhead trout by selected and corresponding periods 



Period 



Catch below 

 Bonneville 



Bonneville 

 count 



Catch above 

 Bonneville 



Total catch 



Estimated 

 escapement 

 past Celilo 



Rock Island 

 count 



Apr. 17-May 2S. 

 May 29-July30. 

 July31-Sept. 24. 

 Sept. 26-Dec. 31 



2,160 

 69, 335 

 51, 524 

 16,080 



7,416 

 31,474 

 66, 608 



1,552 



920 



3.235 



29,223 



1,068 



3,080 

 72, 570 

 80, 747 

 16, 148 



6,496 



28, 239 



37, 385 



484 



660 

 274 

 675 

 '67 



i Incomplete. 



