JULY. 75 



84TH. LIGHT PIED DUN. Full length, about 

 three-eighths and one-sixteenth. Top wings covered 

 and fringed with a fine fawn colored down, which glis- 

 tens in the sun with coppery and gilded reflections ; 

 and are of a darkish red brown transparency. Feelers, 

 five-eighths, spotted rank, light and dark; forehead 

 and legs, white, with sprinklings of darker ; and has 

 white strokes on the wings, same as the dark pied 

 dun ; body, coppery, with a purple tinge. They are 

 hatching this month ; numbers may be seen flying 

 about and running on the battlements of North-bridge, 

 at seven o' clock on fine evenings, to the end of August. 



Wings, from the landrail or bronzy yellow-brown 

 hen ; coppery silk for the body, slightly tinged, white 

 for the head ; legged with a yellow white hen hackle, 

 or hairs from the hare's ear. 



85TH. GREY DUN. Full length, five-eighths ; 

 length, near half an inch. Top wings, a light grey 

 freckle like the ends of the feathers on the back of 

 the yellow owl and of a yellowish dim transparency ; 

 under- wings, plain bio ; thighs, legs, breast, and feel- 

 ers, a honey or dull copper color ; body, blue dun. 

 Was taken from under a stone by the water's edge, 

 just hatched, about the middle of this month, but has 

 not been seen since. Is a fine fleshy fly, equal in size 

 to the light and dark duns, of which it may be a variety. 

 There is a smaller species, about half an inch full length, 

 and nearly the same in colors out at the same time. 



Wings may be found in the light freckled feathers of 

 the mallard ; body, copper-colored silk, tinged with wa- 

 ter-rat's fur ; and legged with a yellow dun hen hackle. 



