Changed are the seas, changed are the continents, changed the mortal envelope that houses the germ of humanity that alone remains unchanged and unchangeable. It abode in the breast of Go-yat-thlay, the Apache and, identical, in the breast of Andy MacDuff, the infant white. Had Andy’s forebears remained in Scotland Andy would doubtless have developed into a perfectly respectable caddie before he became a God-fearing, law-abiding farmer. Back of him were all the generations of civilization that are supposed to have exerted a refining influence upon humanity to the end that we are now inherently more godlike than our savage ancestors, or the less-favored peoples who have yet to emerge from savagery. Back of Go-yat-thlay there was no civilization. Down through all the unthinkable ages from the beginning the savage germ that animated him had come untouched by any suggestion of refinement—Go-yat-thlay, born a Ned-ni Apache in No-doyohn Canyon, Arizona, in 1829, was stark savage. Already, at thirty-four, he was war chief of the Be-don-ko-he, the tribe of his first wife, Alope, which he had joined after his marriage to her. The great Mangas Colorado, hereditary chief of the Be-don-ko-he, thought well of him, consulted him, deferred to him upon occasion; often sent him out upon the war trail in command of parties of raiders. Today Go-yat-thlay was thus engaged. With four warriors he rode down the slopes of Stein’s Peak range, dropped into a hollow and clambered again almost to the top of an eminence beyond. Here they halted and Go-yat-thlay, dismounting, handed his reins to one of his fellows. Alone he clambered noiselessly to the summit, disturbing no smallest pebble, and lying there upon his belly looked down upon a winding, dusty road below. No emotion that he may have felt was reflected in those cruel, granitic features. For an hour he had been moving directly toward this point expecting that when he arrived he would find about what he was looking down upon now—a single wagon drawn by two mules, a dilapidated wagon, with a soiled and much-patched cover. Go-yat-thlay had never before seen this wagon, but he had seen its dust from a great distance; he noted its volume and its rate of progress, and he had known that it was a wagon drawn by two mules, for there was less dust than an ox-drawn vehicle would have raised, since oxen do not lift their feet as high as horses or mules, and, too, its rate of progress eliminated oxen as a possible means of locomotion. That the wagon was drawn by mules rather than horses was but a shrewd guess based upon observation. The Apache knew that few horses survived thus far the long trek from the white man’s country.