130 



is one of the smallest flies worthy the An- 

 gler's notice ; nevertheless it must claim his 

 particular attention, as when the water is 

 low it is an excellent killer, and when these 

 insects appear in large quantities the Trout 

 are extremely active in devouring them. It 

 is hardly possible to dress this fly upon too 

 small a hook : the body should be made of 

 any very dark blue fur, or of a peewit's top- 

 ping, as its appearance on the water exactly 

 resembles a lump of soot ; the wings may be_ 

 made of thistle down, or a bluish white hac- 

 kle. It is a Summer fly, but is most abundant 

 during the first fortnight in August, when 

 at about one o'clock in the day the water is 

 covered with them. 



S 



ilo. 29. Z\)t 23lacfc itttose 



is another very minute fly, and is dressed 

 with brownish black silk for the body, and a 



