Table 2 . --Number of bluebacks caught in fingerling-bypass traps 

 at Bonneville Dam during weekly periods, 1946-53. 



19U6 19li7 19h8 19 U9 1950 1951 1952 1953 



82 



6 1 17 

 1 1 U 



1 2 2 3 



7 9 



9 1 



1 2 2 U 26 10 



1 9 6 20 1 



1 116 16 6 

 6 U 2 1 5 8 3 



1 1 23 12 3 



iiO 2 1 39 56 9 1 



6h 1 5 1 51 60 13 7 



33 38 5 5 55 79 12 5 



lii 10 13 9 37 61 12 3 



9 lU 2U 105 21 55 180 8 



30 3i! 51 1190 10 50 3U0 21 



^26 93 207 772 U7 5i;0 308 36U 



3m 26 509 29U 22U 272 5i45 556 



IU2 h 61i 108 280 52 155 15U 



256 6 63 9 127 21 33 18U 



13h 1 U 2 71 9 7U 



32 12 3 1 10 



U 2 1 11 1 1 9 



2 1 Ii 1 3 2 9 

 5 2 12 1 2 ■ 3 1 

 5 2Ji 8 1 1 12 9 



2 1" 1 132 



3 51 12 7 

 1 Ii 3 3 



3 2li 



2 li h 2 2 



I 1 L 16 2 1 1 

 1 2 16 2 



1 ii 2 1 



II 1 



1 U 1 1 5 

 1111 7 



11 3 1 



2 1 3 1 11 



12 1 U 

 111 1 2 

 321 1 



11 1 

 1 



1 1 

 1 



13 1 

 12 1 



2 1 



2 1 



1,495 256 1,047 2,606 1,021 1,345 1,705 1,486 



14 



