Francis Fly: a trout pattern from Favorite Flies and Their Histories (1892) by Mary Orvis Marbury

a Francis Francis fly from the author of A Book on Angling (1876)

Hook: #6 sproat
Thread: claret
Tag: gold flat tinsel
Rib: red floss
Body: peacock herl
Wings: light dun saddle hackle tips
Hackle: light dun webby cock hackle

Head cement recipe:
Goop
Xylene (epoxy thinnner)

Instructions:
Fill a quart jar half full with Xylene
Squeeze a tube of Goop into the Xylene
Shake until the Goop is dissolved; add Xylene to desired consistency

Apply with a pin or needle dipped in the liquid

https://youtu.be/AJbvJUixaCs