34 LIST OF FLIES. 



shoulders, and end joints, a dark brown. She hatches 

 through the day, and continues in succession nearly 

 through the season. She is a hardy little fly ; a great 

 favorite, and in good numbers on the waters daily. 

 She casts her skin and becomes the pearl drake. 



Dark brown silk for the head, shoulders, and two 

 or three last joints of the body ; and light blue grey for 

 the middle joints ; hackled with a water rail or water- 

 hen's small leady breast feather ; with a few fibres of 

 light blue-grey fur from the fox-cub, to imitate the legs. 



28TH. PEARL DRAKE. -Size same as the iron blue, 

 but smarter, and a little more slim ; wings, sparkling 

 and glassy, with a light pearly tinge, or nearly color- 

 less transparency. Eyes, head, shoulders, and the end 

 joints of the body, a fine dark brown ; legs, whisks, 

 and middle joints, a light pearl transparency. They 

 are out and assemble in groups, every day and evening 

 to the end of autumn. 



Fine coffee-brown silk for the brown parts, and white 

 for the pearl parts of the body ; winged and legged 

 with a glassy silvery cock's hackle. 



29TH. SPIRAL BROWN DRAKE (or Checkwing). 

 Length, three-eights or better ; wings the same, of a 

 light brown ground, with strong longitudinal dark lines 

 crossed into squares, with small ones, which have 

 named them. When seen through a glass the lines are 

 back shaded with darker, like the Royal Charlie. 

 Body, a darkish ashy brown, with a ring of lighter on 

 each joint, and a light line runs along each side ; 

 whisks and legs, a bio-brown, dim transparency ; eyes, 



