Wings.—Hackled with a bluish feather from the under coverts of a Snipe’s wing. (The lighter side of the feather towards the head of the fly).

Body.—Yellow silk, No. 4.

Head.—Yellow silk.

Middle of April to middle of May, and again in September.

No. 10.

Dark Needle.

Perlidæ.

Hook 1.

Wings.—Hackled with a brownish feather taken from where the hinder part of a Starling’s wing joins the body, (There are only about four of these feathers on each side of the bird.) or with a brownish feather from the back of a Swift.