126 FLIES AND FLY FISHING. 



evening fly, and will kill on any water ; it should be used 

 in the dusk of July and August evenings. 



Hooks, JSTos 9 and 10. 



Body : Crimson worsted, or still better rich crimson 

 philozel, wrapped on very neatly and tightly, and dis- 

 tinctly ribbed with gold wire. 



Any transparent looking hackle dyed crimson. 



Tail : Four long strands of same. 



Wings : A slip of any light grey, smoky looking 

 feather. 



It is impossible to imitate this spinner without the 

 dyed hackle, but with this solitary exception, dyed feathers 

 should never be used in dressing brown trout or grayling 

 flies. 



34. The Silver Dun is a small fly which comes out in 

 August and September. It is one of the very best grayling 

 flies ; trout will also take it, but I should not use it for the 

 latter, except in water containing both fish. 



It should be used as a drop fly. 



1st Dressing. Hooks, Nos. 11 and 12. 



Body of light grey crewel, ribbed with silver wire, and 

 any light blueish grey hackle wound on very evenly and 

 close to the head ; two turns of this is sufficient. 



2nd Dressing. Hook, No. 10. Exactly the same as 



