FLY-FISHING. 243 



dress them. The argil and soda must be used spar- 

 ingly. 



To Dye Lavender, or Blue Dun. 



Boil ground logwood with bruised nutgalis and 

 a little copperas. The shade of color may be varied 

 by using more or less of the materials. 



You may have grey, and duns of various shades, 

 by boiling with the logwood a little alum and cop- 

 peras. 



To Dye Green. 



Dye your material a light shade of blue first, 

 according to the directions for that color ; then put 

 them into the yellow dye, and examine them fre- 

 quently while boiling to see that you get the proper 

 shade. You may get any shade of green by dyeing 

 the blues darker or lighter, and then boiling them a 

 shorter or longer time in the yellow dye. 



The blue and yellow dyes may also be mixed to 

 produce any shade of green, but this requires judg- 

 ment and considerable experience, and the result is 

 not superior. It must be remembered that the blue 

 becomes developed by time, and the color should be 

 at first more yellow than is required. 



To Dye a Mallard's Feather eor the Green 

 Drake, and Little Yellow May Dun. 



Boil the feathers in the mordant bath of alum 

 already described. 



Then boil them in an infusion of fustic to produce 



