" teams of phrenologists were sent to Indian country. Using the theory and practice of craniometry developed by Samuel George Morton (which determined “scientifically” that Caucasians had the largest brain capacity—1,426 cubic centimeters versus a paltry 1,344 for American Indians and 1,278 for blacks), the phrenologists set about measuring skulls, "

― David Treuer , The Heartbeat of Wounded Knee: Native America from 1890 to the Present