Legs and Wings.—A black cock’s hackle. This fly is always made buzz. The wings are very transparent.

No. 4. Great Dark Drone.

This fly is found upon the grass in a torpid state, until the sun warms the air, when it takes wing; and afterwards, if there be a breeze, it is found upon the water. They are of great variety of color, but the black is the most common.

Imitation.

Body.—Black mohair spun thickly on black silk.

Wings.—The dun feather of a mallard wing. The wings lie flat upon its back, and the upper fibres of the hackle should be cut off.

Legs.—A dark grizzled hackle. This is a late fly.

No. 5. Cow-Dung Fly.

This fly is to be found throughout the year. It is most abundant in March, and during a high wind it is blown upon the water. The color of the male is a tawny yellow; that of the female a greenish brown.

Male.—Imitation.