Of the various theories advanced on the origin of the North American Indians, none has been so entirely satisfactory as to command a general assent; and on this point many and different opinions are yet held. The late De Witt Clinton, Governor of the State of New York, a man who had given no slight consideration to subjects of this nature, maintained that they were of Tatar origin; others have thought them the descendants of the Ten Tribes, or the offspring of the Canaanites expelled by Joshua. The opinion, however, most commonly entertained is, that the vast continent of.