I looked up the " Doc Spratley " and found some History on the Old Fly . This pattern , was named after Dr.Donald A. Spratley of Mt . Vernon , Washington , is one of most effective pattern's in BC & Alta. Mrs. Dorothy Prankard Schacht of Mt. Vernon said her husband , the late " Dick Prankard , Originated the pattern about 1949 She said he called it " The Doc Spratley " because the Doctor walk in to the store . Cool Ha ! Original " Doc Spartley " tied by FlyRod . Hook - Mustad 9672- 3X long. Thread - Uni 6/0 Black . Tail - Guinea Fowl - ( Sub - Cree Grizzly Hackle ) Body - Black wool - ( Sub - lure Flash ) Rib - Small Sliver Tinsel Leg's - same as Tail . Wing - Natural Pheasant Tail Head - 6 Stands of Pea Cock herl