104 HOW TO TIB FLIES. 



pair with absolute accuracy. It will effect the 

 purpose in view, if the right wing of the fly 

 is made from a right wing feather of the bird, 

 and vice versd,. But the " squaring up " method 

 must be learnt before the amateur can be 

 considered proficient, and when once learnt it 

 is really quite easy. 



