Onychomancy or onymancy is an ancient form of divination using fingernails as a "crystal ball" or "scrying mirror" and is considered a subdivision of palmistry. As with palmistry, the contradictions b
Metoposcopy is a form of divination in which the diviner predicts personality, character, and destiny, based on the pattern of lines on the subject's forehead. It was in use in the classical era, and
Diagram from Metoposcopia, Samuel Fuchs, 1615
Portrait of Cardano on display at the School of Mathematics and Statistics, University of St Andrews.