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

Hook: #6 sproat
Thread: claret
Tag: gold tinsel
Tag 2: green (blue green) floss
Body: gray wool, dubbed
Body hackle: short brown hackle beginning at midpoint and palmered forward over thorax
Thorax: gray wool, dubbed
Front hackle: brown
Wings: mottled brown/white quill slips

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