Gravel Bed.

Diptera (Crane-fly).

Hook 1.

Wings.—Hackled with a greyish feather, lightly tinged with brown, from a Partridge’s neck.

Body.—Blue silk, No. 7, dubbed with blue-grey fur from the flank of an Opossum.

Head.—Blue silk.

Middle of May to end of June. A useful fly in a coloured water.

No. 20.

Stone Midge.

Diptera (Gnat).