if she had come to familiar ground, broke into a gallop, a matchless, swinging stride. Swerving to right and to left among the great boulders, like a football player running a broken field, she increased the gallop to a racing pace.
That twisting course would have shaken an ordinary horseman to the toes, but Pierre, swaying easily in the saddle, dropped the reins into the crook of his left arm and rolled a cigarette in spite of the motion and the wind. It was a little feat, but it would have drawn applause from a circus crowd.
He spoke to the mare while he lighted a match and she dropped to an easy canter, the pace which she could maintain from dawn to dark, eating up the gray miles of the mountain and the desert, and it was then that Red Pierre heard a gay voice singing in the distance.
His attitude changed at once. He caught a shorter grip on the reins and swung forward a little in the saddle, while his right hand touched the butt of the revolver in its holster and made sure that it was loose; for to those who hunt and are hunted every human voice in the mountain-desert is an ominous token.
The mare, sensing the change of her master through that weird telegraphy which passed down the taut bridle reins, held her head high and flattened her short ears against her neck.
The song and the singer drew closer, and the vigilence of Pierre ceased as he heard a mellow barytone ring out:
