There are innumerable patterns from which to choose .....
.....the exact pattern is not of such very great importance.

T.C. Kingsmill Moore (A Man May Fish).

The poldersedge.
body: peacock herl
wing: little light coloured mallard flank feather
hackle: brown cock
The goldhead-pheasanttail
head: gold coloured bead
tail: pheasant tail fibers
body: pheasant tail fibers, if needed weight the body with wire
thorax: peacock herl
rib: copperwire
Montana
tail: black hacklepoints
body: black chenille
thorax: red or yellow chenille
rib: black hackle over thorax


Here a link with many tying patterns





This cartoon is from the American outdoor magazine Field and Stream