Hoskins: a trout fly in Favorite Flies and Their Histories (1892) by Mary Orvis Marbury

Hook: #8 blind sproat with gut leader
Thread: claret silk (or dark lacquered red)
Tail: Golden Pheasant crest
Body: yellow floss
Hackle: dun
Wings: hyaline and mottled (here Pheasant wing feather quills)