This eBook has been formatted to the highest digital standards and adjusted for readability on all devices. The term Siouan is the adjective denoting the «Sioux» Indians and cognate tribes. The word «Sioux» has been variously and vaguely used. Originally it was a corruption of a term expressing enmity or contempt, applied to a part of the plains tribes by the forest-dwelling Algonquian Indians. The Indians of the Siouan stock occupied the central portion of the continent. They were preeminently...