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

Hook: #10 sproat
Thread: claret
Tag: gold tinsel
Tail: two gray duck feather barbs
Body: orange floss with teased out thorax
Wings: gray duck 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