Here are the recipes from Robert's book.
Zulus
Black Zulu
Hook: 8-14
Tail: Red wool or ibis.
Body: Black wool or seals fur with
a palmered black cock hackle.
Rib: Fine flat silver tinsel.
Head Hackle(optional): Black cock or hen.
Blue Zulu
As above except for a blue hackle at shoulder.
Silver Zulu
As for Black Zulu except for a silver tinsel body.
Gold Zulu
Tail: Red wool or ibis.
Body: Bronze peacock herl or flat gold tinsel,
with a palmered coch-y-bonddhu hackle.
Rib: Fine flat gold tinsel.