Classic Adams

Hook: #12 standard dry
Thread: olive 70 denier
Wing: grizzly hackle tips
Tail: mixed grizzly & brown hackle fibers
Body: Adams Gray Super Fine Waterproof Dry Fly Dubbing
Hackle: mixed grizzly #12 & brown #14

Red Quill

Red Quill
Hook: #12 dry
Thread: 70 denier blue dun
Tail: dark dun hackle fibers
Body: stripped quill from Rhode Island Red rooster hackle
Hackle: dark dun
Wing: wood duck

Bivisible

A classic Catskill dry fly shown above with a few Light Cahills in the background. 

Hook: #14-18 dry fly

Thread: black 70 denier

Hackle: brown for rear 2/3, cream or white for front 1/3

Optional tail (not shown): brown hackle fibers