Here's some photographic step by step instructions for tying a Goddard Caddis. It's my favourite Caddis/Sedge pattern, I've had many fish on the Goddard pattern this year.

Hook - B170 Size 12 - 18
Thread - Brown
Body - Natural Deer Hair Spun and Trimmed
Hackle - Red Game Hackle
Antennae - 2 x Pheasant Tail Fibres

Goddard Caddis ~ Step by Step