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IV 



HOW DIFFERENT FOODS AFFECT GAME- 

 FISHES 



\VHILE I am convinced of the truth that the 

 insect diet of game-fishes induces a faster growth 

 and more gamy qualities, it is out of the question 

 for nature to supply even a small part of the in- 

 sects that are necessary to sustain a fair number 

 of fish in any water. Even if we include bottom 

 creepers, vast in numbers as they are, all would 

 not suffice to supply the food required to make 

 trout lusty and plentiful. In the temperate zone, 

 aquatic insects do not rise over the water in any 

 great quantity till after the first week in May. 

 From that time on, they rapidly develop, if 

 weather conditions are at all favorable, till the 



55 



