Table ll«--Mean calculated total lengths, in inches, at 

 the end of each year's growth for ^32 wild brown trout 

 and 125 rainbow trout in Madison River. All fish were 

 collected by angling. 



Species and Number Year of growth 



year collected of fish 



II III IV V VI 



Brown trout 



1953 17 ^.6 10.3 13.2 



195^^ l6l ^.3 10.3 1^.1 16.6 18.8 20.2 



1955 56 ^.6 10. i^- 14.1 16,1 



1956 106 4.1 8.9 13.'+ l6.0 



1957 90 3.7 9.7 12.7 15.7 17.6 21.5 



Total number 432 



Mean lengths 4.3 9.9 13.5 16.1 18.2 20.9 



Total number 125 



Mean lengths 5.0 9.6 14.0 l6.4 



21 



