CHINOOK SALMON MARKING, COLUMBIA RIVER 



231 



One adult fish that returned to spawn in its fourth year was taken during the 

 season of 1922; 29 five-year-olds were reported during the season of 1923, and 18 

 were taken durinp; the season of 1924, when they were in their sixth year. Tables 

 9 and 10 give the data regarding these captures. 



Table 9. — Chinook salmon marked at Herman Creek hatchery during the spring of 1920, ivhen approx- 

 imately IS months old, and recovered during the seasons of 1922, 1923, and 1924 



Date of capture 



1922: Sept. 10-19- 

 1923: 



May 1-5 



May 1-5 



May 1-5 



May 1-5 



May 1-5 



May3-- 

 May3-- 

 May4-. 

 May 4_. 

 May e.- 

 May 7-- 

 May8.. 

 Mays.. 

 May 9-. 

 May 9.. 



May 10- 

 May 13- 

 May 14- 

 May 17. 

 May 17- 



May20. 

 May 22. 



May 25- 

 May 26. 

 May 26. 



May 28- 

 June 17. 

 July 31.. 

 Oct. 1... 



Place of capture 



Cascade Locks — 



Lower Columbia. 



do--- 



do 



do 



do 



do 



Westport 



do 



Lower Columbia-. 

 Tongue Point 



Astoria 



Rainier 



Bonneville 



Eainier 



Sand Island 



Westport.- 



Cascade Loclis... 



Altoona 



Smith Point 



do 



May 3 



May 4 



Maya 



May 6 



May 6 



May 6 



May 7 



May 9...... 



May 10 



May 10 



May 20 



May 23 



May 26 



May 15-31- 



June 7 



June 28 



June 29 



July 15 



Ellsworth -- - 



Bonneville 



Sand Island 



do 



Tongue Point 



Lower Columbia 



Mouth Herman Creek. 



Cascade Locks 



Herman Creek--- 



Ranier 



The Dalles -. 



Warrendale 



The Dalles -.. 



Corbett 



Lower Columbia. 



Clatskanie-- 



The Dalles 



Warrendale 



The Dalles 



Bonneville 



do 



do 



The Dalles.. 



Warrendale - 

 Bonneville.. 

 The Dalles- 

 Chinook 



Female. 



Male 



-do.--. 

 Female. 

 ..do..-- 



..do.--. 



Male—. 

 Female. 

 Male 



...do..- 

 ..do...- 

 ...do.... 

 ...do—. 

 Female. 



...do 



Male 



Female. 

 ..do.... 



Male.. 

 do. 



Female. 

 ..do.... 

 .-do 



Male 



Female - 



Female. 

 ...do.... 

 ...do.... 

 Male 



Female. 



Male 



Female. 



Male 



Female. 



..do 



Male 



Female. 

 ...do.... 

 ...do.... 



Length, 

 in inches 



Weight, 

 in pounds 



36 

 30 

 36 

 25 

 36 



36 

 33 

 34 

 35 

 26.5 



34.76 

 36.5 



35.5 

 38 



41 

 26 

 35 

 36 

 36 



36 



26.5 



35 



38.5 



31 



26.76 



36 



32 



Scale record, first 

 year 



18 

 11 

 17 

 11 

 19 



17 



13.5 



14 



22 



19 



20 



21 



18 



21.5 



20 



28.6 



10 



19 



17 



18 



15 

 8 



15.5 

 23 

 13 



7 

 16 

 15 



Number 

 of rings 



38 



35 



36.76 



39.26 



35.6 



28 



38 



39.5 



36 



36.5 



26 



39.6 



32 



20 



16 



21 



22.5 



17.76 



34 



22 

 23 



19.75 

 21 

 16 

 25 



13 



43.5 

 34.75 I 

 40 

 29 



30.6 

 15 

 25 

 18.25 



Length of 

 anterior 

 radius, in 

 millime- 

 ters XI 20 



52 

 52 

 44 

 44 

 44 



33 

 44 



39 

 37 

 52 



62 

 41 



67 

 47 

 52 



41 



60 



45 



36 

 65 

 41 



32 

 41 

 46 

 54 

 42 

 60 



64 



Table 10. — Chinook salmon marked at Herman Creek hatchery during the spring of 1920, when 

 approximately IS months old, and recovered during the seasons of 1923 and 1924 



