FLIES 27 



No. 28. 

 Rough-Bodied Poult. 

 Ephemerid^e. 

 Hook or 1. 

 Wings. — Hackled with a light blue feather from the under coverts 

 of a young Grouse wing, taken before the bird is strong on the 

 wing. (The Ughter side of the feather towards the head of 

 the fly.) This feather darkens very rapidly on the hve bird 

 from August onwards. 

 Body. — Straw-coloured silk, No. 2, dubbed sparingly with buff fur 



from the flank of an Opossum. 

 Head. — Straw-coloured silk. 



July, August and September. 



No. 29. 



Pale Watery Dun. i 



Ephemerid*. 



Hook or 1. 



Wings. — From a young StarUng's Ught primary quill feather, the 



inner side of the feather as the under side of the wing. 

 Body. — Yellow silk. No. 4, dubbed with palest buff fur from the 



flank of an Oppossum. 

 Tail. — ^Two strands from palest ginger Cock's hackle. 

 Legs. — Light blue Hen's hackle. 

 Head. — Yellow silk. 



Middle of July to the end of September. 



No. 30. 



Light Silverhorns. 



/ Trichoptera. 



Hook I. 



Wings. — From a Thrush's secondary quill feather, the outer side 



of the feather as the outside of the wing, or from a Landrail's 



