Atherton Nymph #1 fly pattern

from the recipe in The Founding Flies by Mike Valla

Hook: nymph #10-14 (weighted wire wrap as desired)
Thread: tan
Tail: three mallard or wood duck flank feather barbs
Rib: small gold oval tinsel
Body: natural seal, dubbed
Wing case: two small Jungle Cock nails
Legs (front hackle): partridge