1 6 FLY-FISHING. 



it best to give a slight movement to the fly in the 

 water. 



I fear we must include in the same " unpfoven" 

 category, and for the same practical reason, the 

 theory that flies should usually be cast up stream, 

 rather than down. 



To sum up, therefore, the foregoing arguments, 

 the true rationale of the matter seems to me to be 

 as follows : 



1. Whatever Salmon, et hoc genus, may do, 

 Trout certainly take the artificial for the natural 

 fly. 



2. But as the artificial fly is necessarily pre- 

 sented in an abnormal condition namely, wet in- 

 stead of dry, sunk instead of floating ; and as the 

 resemblance which wet feathers and silk under 

 water bear to dry insect-down, fluff, and wings on 

 the water, is imperfect, (3) it is necessary for the 

 purpose of hiding the counterfeit, and partly also 

 to hide the hook, to give the fly an unnatural, life- 

 like movement in the water ; adding to it also an 

 unnatural quantity of legs (hackles) which open 

 and shut, and move with the movements of the 

 fly. 



4. These " movements" and alterations, however, 



