aleuromancy, Divination by means of flour.
chiromancy, Palmistry
Alphitomancy, Divination using a leaf of barley.
Tasseomancy, The art of reading tea leaves.
Lecanomancy, Divination by throwing stones into water
Critomancy, divination using cakes
Dactylomancy, divination with rings
Molybdomancy, divination by dropping metal into water
Omphalomancy, divination by the navel

The only word I know for what a water witch does is dowsing, but rabdomancy is: Divination by means of rods or wands. I learn something new every day...thanks!

here is a website with a bunch of detailed information about all the different -mancies:

http://www.paralumun.com/tasseomancy.htm