The Collaborative International Dictionary
Craniognomy
Craniognomy \Cra`ni*og"no*my\ (-?g"n?-m?), n. [Cranium + Gr. ????, ?????. to know.] The science of the form and characteristics of the skull.
Wiktionary
craniognomy
n. (context dated English) The science of the form and characteristics of the skull.