One man only could have assumed with such rare skill another costume and bearing. That man was Diogo.

As soon as this thought had occurred to Malco Diaz, it gave certainty to his mind. Foaming with rage at having been so far duped, and burning to revenge himself, he abruptly turned the bridle of his horse.

But while Malco was making these reflections, and had, by a course of deduction, at last arrived at the truth, a considerable time had passed—a time that the Indian had profited by planning and preparing for a ruse which should aid him to escape.

Persons who do not know that noble and intelligent race, the horses of the American desert, will, with difficulty, conceive even a distant idea of the wonderful speed with which a pursuit in the desert is executed.

When the horse has been incessantly excited, he feels the magnetic influence of his horseman, and appears to identify himself with him, and to understand his wishes.

Grand in his fury and energy, his eyes full of fire, his nostrils spirting with blood, his mouth foaming, feeling neither bit nor bridle, he seems to annihilate space, leaping ravines, scaling hills, crossing rivers, overcoming all obstacles with a dexterity, skill, and velocity, which pass all belief, animating himself on his journey, and by degrees reaching a kind of mad and proud excitement, so much the more beautiful, as he appears to understand that he may die in the desperate battle in which he is struggling; but what matters if he attains the end, and if his master is saved?

It was such a journey as that we have just described that at this moment was maintained, shall we say, by the two horses, for their horsemen, impelled by their implacable hatred, saw nothing and thought of nothing.

Malco Diaz redoubled his efforts to regain the ground he had lost, but in vain. He was alone, and his horse had attained the extreme limit of his speed.

Woods succeeded to woods; hills to hills. Diogo was still invisible; he appeared to have been suddenly engulphed, so wonderful was his rapid disappearance.

If the half-caste was well mounted, the captain also had an excellent horse.