The Collaborative International Dictionary
Craniology
Craniology \Cra`ni*ol"o*gy\ (-j?), n. [Cranium + -logy.] The department of science (as of ethnology or arch[ae]ology) which deals with the shape, size, proportions, indications, etc., of skulls; the study of skulls.
Wiktionary
craniology
n. The study of the physical characteristics of the human skull.
Usage examples of "craniology".
I am certainly developing the wisdom of the serpent, for when Mortimer pressed his questions to an inconvenient extent I asked him casually to what type Frankland's skull belonged, and so heard nothing but craniology for the rest of our drive.