- divining by means or way of...

• abacomancy - patterns in dust or cremation ashes
• aeromancy - state of the air or weather
• alectryomancy - a cock placed by corn covered letters that are read in order of kernels eaten
• anthropomancy - entrails of dead or dying humans, usually young virgin girls
• arimancy - numbers
• astragalomancy - ankle bones (I'm not sure why this one seems extra weird to me)
• augury - flight patterns of birds
• axinomancy - ax or hatchet
• belomancy - arrows
• bibliomancy - books, especially the bible
• cartomancy - playing cards
• catoptromancy - gazing into mirrors or crystal balls
• cheiromancy - palm reading
• chirography - handwriting analysis
• cleromancy - casting lots
• clidomancy - keys
• conchomancy - seashells
• cromnyomancy - onion sprouts
• gastromancy - stomach growling as sounds from the dead (origin of ventriloquism)
• gyromancy - walking a circle until dizzy and fate determined by where they fall (who thinks this shit up?)
• halomancy - salt
• haruspicies - animal livers
• ichnomancy - footprints
• ichthyomancy - fish guts
• kau cim - shaken bamboo sticks
• kephalonomancy - boiled donkey head on burning coals or lighted carbon poured into a baked goat head (Seriously?!)
• keraunomancy - thunder and lightning
• knissomancy - incense burning
• lampadomancy - flame of a torch
• lecanomancy - looking into a water basin
• libanomancy - frankincense
• mazomancy - paying attention to a nursing baby
• metopomancy - lines in the forehead
• oneiromancy - dream interpretation
• onomatomancy - names
• ornithomancy - actions of birds
• palmistry - duh, palms
• phyllorhodomancy - rose petals
• psychognomy - based on phrenology
• retromancy - looking over one's shoulder
• rhabdomancy - rod, magical wand, water dining, or dowsing
• rumpology - butts, invented by Sylvester Stallone's mom Jackie ha ha!
• scapulimancy - charred or cracked shoulder bones, usually sheep
• sciomancy - reference to spirits of the dead or shapes of shadows
• selenomancy - the moon
• sideromancy - the stars
• spatilomancy - observing animal droppings
• spodomancy - ashes
• stichomancy - random lines in books
• taromancy - tarot cards
• tasseography - reading tea leaves
• xenomancy - studying the first stranger that appears
• ydromancy - water
• zygomancy - weights