68 BUTTON FLY. 



but they continue on a few days longer. When 

 the grey drake appears in the evening, you must 

 substitute him for the green. 



Artificial. The wings are made of a mallard's 

 feather, which may be chosen exactly to the colour ; 

 the head of peacock's herl, or ruddy black sheep's 

 wool ; the body of white shalloon, with a very small 

 quantity of pale yellow with it, darkened with ruddy 

 black sheep's wool at the extremity of the tail. 

 The three whisks as the green drake, and an almost 

 black hackle for legs. The same hook as the last 



fly- 



The green and grey drakes are by no means 

 general flies ; several English and many of the Welsh 

 rivers being without them. 



THE FERNSHAW, HAZEL, OR BUTTON FLY. 

 SEASON. Principally June. 



Natural. They are of the cockchafer beetle 

 species, and nearly of the same shape, but much 

 smaller ; being about the size of half a horse-bean. 

 The outside shell wing cases are of a yellowish red, 

 nearly the colour of a cockchafer's ; they have two 

 veined and transparent wings, of a dark smoky 

 colour, under the shell cases, which they can extend 

 beyond them ; the chest, Jiead, body, and legs are 

 of a varnished greenish black, covered with a kind 

 of short whitish hair or wool : they have two feelers, 

 divided at the end into three parts. 



Their principal season is towards the middle of 



