The fierce bands of Comanche Indians, on the testimony of their contemporaries, both red and white, numbered some of the most splendid horsemen the world has ever produced. Often the terror of other tribes, who, on finding a Comanche footprint in the Western plains country, would turn and go in the other direction, they were indeed the Lords of the South Plains.

For more than a century and a half, since they had first moved into the Southwest from the north, the Comanches raided and pillaged and repelled all efforts to encroach on their hunting grounds. They decimated the pueblo of...