well, i don't know if its really a snake, but a large peice of diseased human anatomy that shoots seamen and gets hard when its in danger of being "abused" might do the trick
black snake
Hm...wad kind of snake it was? Did u find any further details?
Cottonmouth (white mouth). The answer's in the question.
mud snake
The red-bellied black snake, which is native to eastern Australia, is black with a distinctive pink-red belly.
Garter snake
I believe you are refering to a black rat snake.
Northern Black Racer
I believe you are referring to the Grey Rat Snake.
Eastern smooth green snake
None ! All snake eggs (or baby snakes for live-bearers) are expelled from the female snake's cloaca (vent).
That is the endangered Georgia Tube snake.