Hook - S82-3906B, size 8-14
Thread - Black
Tail - Black or brown bear hair
Body - Black or brown bear hair
Hackle - Pheasant rump feather
Originated in the Northwest around 1925 by Dr Day and Col Carey and was originally thought to be tied bear hair for the tail and body (as tied above).
Reference - Tying Flies with Jack Dennis and Friends
Modern versions are tied with multiple colors of chenille for the body and pheasant rump feather for the tail and hackle.