234 



BULLETIN OF THE BUREAU OF FISHERIES 



Table 11. — Chinook-salmon fingerlings marked at Bonneville hatchery October I4, 1920 



From the standpoint of adult fish recovered this has been one of the most suc- 

 cessful experiments with chinook salmon, 252 having been taken. One 3-year-old 

 was taken by troll in the ocean near the mouth of the Columbia River, and the rest 

 were taken in the Columbia River, 8 of them during 1923, 215 during 1924, and 

 28 during 1925. Records of the time and place of capture are given in Tables 12 

 and 13. 



Table 12. — Chinook salmon marked at Bonneville hatchery during the fall of 1920, when approxi- 

 mately IS months old, and recovered during the seasons of 192Z, 1923, and 1925 



Date of capture 



1922: 

 1923: 



August 9-. 



May 1-5... 

 May 1-5.. 

 May 1-5... 

 May 1-24. 



May 7 



May 9 



May 16.... 

 May 22.... 



May 1... 

 May 2... 

 May 3... 

 May 4... 

 May 4... 

 May 4... 

 May 5.- 

 May 5... 

 May 5... 

 May 5. . - 

 May 7... 

 May 8... 

 May 8... 

 May 9... 

 May 11.. 

 May 14. 

 May 14.. 

 May 20. 

 May 16. 

 May 29. 

 June 3... 

 June 10- . 



During May, exact 

 date not recorded. 



Place of capture 



Ocean 



Lower Columbia.. 



do... , 



do... 



do 



Ocean,. 



Astoria.. 



Lower Columbia.. 



The Dalles 



Bonneville 



Warrendale cannery.. 



Ellsworth cannery 



Bonneville 



Cascade Locks 



Rainier 



Bonneville 



Warrendale cannery.. 



Dodson cannery 



Bonneville 



Dodson cannery 



do 



Warrendale cannery.. 



Dodson cannery 



Ellsworth cannery 



do. 



Warrendale cannery.. 



Cascade Locks 



Bonneville 



Warrendale 



Warrendale cannery.. 



Pillar Rock. 



....do 



Dodson cannery 



....do 



....do 



Male.. 



Female.. 



Male 



Female.. 



Mount Pleasant .do. 



Female.. 

 ..do 



Male 



.do., 

 .do.. 



Male 



Female.. 



Male 



Female.. 

 Male 



Length, 



in 

 inches 



Male 



..do. 



Female.... 



Male 



...do 



Female..., 

 ...do 



..do 



Male 



Female.... 



Male 



Female.... 



Male 



Female.... 

 ...do 



23.25 



32 

 31 

 28 



30 

 32 



26 

 25.6 



37.75 



45.25 



42 



27 



34.75 



41 



32 



46.5 



36 



47 



40.5 



43 



38.5 



24 



38 



34 



37.5 



38 



48 



37.5 



36.5 



37.5 



35 



40 



34 



Weight, 

  in 

 pounds 



6.5 



16 



13 



14 



11 



12 5 



IS 



9 



8 



22 



39.76 



27 



18 



13 



28.25 



13 



42.5 



20 



50 



27 



37 



22 



25 



23 



21 



25 



20 



40 



21.5 



18 



21 



19 



36 



21 



26 



Scale record first 

 year 



Number 

 of rings 



Length of 

 anterior 

 radius, in 

 milli- 

 meters 

 X120 



42 



4» 



78 

 42 

 70 

 47 

 68 



66 

 48 

 47 

 61 

 51 

 81 

 63 

 69 



69 

 66 

 47 

 35 

 51 

 62 

 67 

 74 

 51 

 53 

 62 

 48 

 45 

 45 

 38 

 48 



