16 IS 20 22 24 26 

 DAYS AFTER DIAGNOSIS 



Figure 1:- -Virus diagnosis dates and mortality rates of sockeye salmon 

 fingerlings in two troughs at the Leavenworth station (L-5/12 

 and L-6/18) and three ponds at the Winthrop station (W-6/15, 

 W-7/16, and W-7/20) in 1954, 



10 



INT.-DUP. SEC. WASH., 0.061887 



