Tatle 12.--Mean calculated growth increments, in inches, of 

 all age classes of trovm and raintow trout in the Madison 

 River by calendar year of growth, Numhers of fish are in 

 parentheses. Means are v/ei^ted. by the number of fish in 

 different age classes. 



Year of growth 

 and species 



Tear in life of fish 



Brown trout 



22 



