166 



SALMON FLIES 



(see Fig. 81). This is a process known as 

 " marrying." Do likewise with another batch 

 of fibres, and " marry " these on to the first 

 batch. Then do the same with the " right " 

 strands. These " married " fibres constitute 

 a mixed -wing, " left " fibres usually forming 



FIG. 81. 



the right wing, and vice versa. The right and 

 left " sheaths " ready for laying on are shown 

 in Fig. 82. It is essential to the proper set of 

 the wdngs to curve or " hump " the " sheaths " 

 in the manner illustrated. 



Now cut out " left " and " right " strips from 

 the Pintail, Summer Duck, and brown Mallard 



