74 HOW TO TIB FLIES. 



and thumb of the right hand, and laid on edge 

 along the upper side of the shank of hook, so that 

 their length may be correctly apportioned. 



Then place the tips of the left finger and 

 thumb on either side of the hook-shank and 

 wings, so as to hold the latter in position. 



Eemove silk from clip with the right hand. 

 Then, opening the left thumb and forefinger a 

 little at the tips, by concentrating the pressure on 

 the line A B (Fig. 33), pass the silk up between 

 the tip of the thumb and near wing, and hold it 

 taut for a moment perpendicularly above the 



FIG. 34. 



shank. Now concentrate the pressure of the left 

 thumb and forefinger on the line X Y (Fig. 33), 

 and pass the tying silk down between the off 

 wing and the tip of the left forefinger. Now, 

 pressing, with the left thumb and forefinger, on 

 both tying silk and wings, draw down the tying 

 silk slowly and firmly with the right hand, fchus 

 contracting the stumps of the wings, and binding 

 them on the upper surface of the shank. Pass 

 the silk two or three more times around the 

 stumps of the wings, to secure the latter more 

 completely, before removing the pressure of the 

 left forefinger and thumb. Fasten silk in clip 



