76 OBSERVATIONS ON A SALMON RIVER 



fish and the strength of the water are suf- 

 ficient to drive the hook home, but to hook a 

 fish that has risen to a floating fly it is neces- 

 sary to strike. It is impossible to float a 

 dry-fly naturally without the line being 

 slack and a fish cannot be hooked on a slack 

 line. 



