JULY 



AUGUST 



EMPTY 



OTHER 



• * < 



INSECTS AND 

 ZOOPLANKTON 



INSECTS ONLY 



ZOOPLANKTON 

 ONLY 



SEPTEMBER 



Figure 24.-- Percentage of total stomachs by month containing each type of food, gill net-caught sockeye 



salmon, July to September 1957, Brooks Lake. 



37 



