The Collaborative International Dictionary
Dactylomancy
Dactylomancy \Dac*tyl"o*man`cy\, n.
Dactyliomancy. [R.]
--Am. Cyc.
Wiktionary
dactylomancy
n. divination by various methods using rings. Such as using silver or gold rings placed on the fingernails in patterns in conjunction with the planets.
Wikipedia
Dactylomancy
Dactylomancy, from the Greek word for finger, is a term used by proponents to define a form of divination using rings.
Usage examples of "dactylomancy".
For, as they say in dactylomancy, the 'psychical' of women are not disposed in their sensitive early days to dwell upon the fortunes of their sex: a thought or two turns them facing away, with the repugnant shiver.