Designed by Leonard Halladay in 1922 as a general mayfly imitation, and named in honor of his friend Charles Adams. It remains one of the most popular patterns in the world to this day.
|Hook:||Standard Dry Fly Hook|
|Tail:||Brown and Grizzly Hackle Fibers, Mixed|
|Body:||Gray Muskrat or Extra Fine Dry Fly Dubbing|
|Wings:||Grizzly Hackle Tips, Upright and Divided|
|Hackle:||Brown and Grizzly Hackle|