Kiowas (Principal people). A Tribe at one time residing about the upper Yellowstone and Missouri Rivers, constituting a distinct linguistic stock. They afterwards removed from the mountains and formed an alliance with the Crows. Among all of the prairie Tribes they were noted as the most bloodthirsty. In person they are dark and heavily built, forming a marked con- trast to the more slender. They were brave and warlike, and with the Commanchees carried on a constant warfare on the Mexican border.