These are small streamer patterns tied in a Thunder Creek style.
Hook: Size 6, 3XL
Thread: Red (for gill effect)
Body: Silver tinsel wrapped along shank
Tail: Grizzly hackle tips
Wing: Natural elk
Throat/belly: Calf tail
Eyes: Stick on or painted (here, painted)
The head is coated with a thin layer of laquer.
Edit: these are called Swamp Darts, not Swap Darts. My bad.