Appendix Table 6 . --Numbers of bluebacks of each age in 10 mm 



size groups caught in the finger ling -bypass 

 traps at Bonneville Dam in 1949. 



Length 



Age 



Total 



31-UO 



Ul-50 



51-60 



61^70 



71-80 



81-90 



91-100 



101-110 



111-120 



121-130 



131-lUO 



II4I-I50 



151-160 



161-170 



171-180 



181-190 



191-200 



201-120 



211-220 



221-230 



23I-2UO 



2la-2$0 



251-260 



261-270 



271-280 



2 



15 



12 



26 



165 



312 



296 



835 



122 



109 



35 



5U 



UO 



28 



17 



32 



23 



12 



10 



9 



7U 



22 



36 



8 



Total 



59 



2335 



200 



259U 



42 



