the world’s largest collection of human skulls. Morton wanted to give scholars an objective tool for distinguishing the races: mathematical comparative anatomy. He had made painstaking measurements of the “mean internal capacity” of nearly one hundred skulls in cubic inches. Finding that the skulls from the “Caucasian Race” measured out the largest in that tiny sample, Morton concluded that Whites had “the highest intellectual endowments” of all the races. He relied on an incorrect assumption, however: the bigger the skull, the bigger the intellect of the person.