Here is the fly pattern sheet for Roxey’s Gray Squirrel Tail.

Hook:
TMC 9395 or Daiichi 2340, #2 – 8
Thread:
Black
Tail:
A very small bunch of fibers from a mandarin duck breast feather or wood duck
Ribbing:
Narrow flat gold tinsel
Body:
Olive-yellow silk or floss
Throat:
A narrow section of a red duck wing feather about one-third as long as the wing, over which is a Plymouth Rock saddle hackle tied on as a collar and then gathered downward. The hackle should be as long as the duck feather and should be sparsely dressed
Wing:
A small bunch of gray tail hair
Shoulders:
White duck breast feather, about one-third as long as the wing
Here is a link to some history about Roxey Roach
http://www.flyanglersonline.com/articles/oldflies/2009/oldflies20091109.php
I found the following link about streamer hook comparisons while researching this fly.