Protruding eyes glared savagely sideways. Great, thick necks hulked forward in impatient jerks; and those dagger-pointed horns, sharper than a pruning hook, promised no boy's sport for our company. The buffalo sees best laterally on the level, and as long as we were quiet we remained undiscovered. At the prospect, some of the hunters grew excitedly profane. Others were timorous, fearing a stampede in our direction. Being above, we could come down on the rear of the buffaloes and they would be driven to the open.

Grant scouted the counseled caution. The hunters loaded guns, filled their mouths with balls to reload on the gallop and awaited the captain's order. Wheeling his horse to the fore, the warden gave one quick signal. With a storm-burst of galloping hoofs, we charged down the slope. At sound of our whirlwind advance, the bulls tossed up their heads and began pawing the ground angrily. From the hunters there was no shouting till close on the herd, then a wild halloo with unearthly screams from the Indians broke from our company. The buffaloes started up, turned panic-stricken, and with bellowings, that roared down the valley, tore for the open prairie. The ravine rocked with the plunging monsters, and reëchoed to the crash of six-hundred guns and a thunderous tread. Firing was at close range. In a moment there was a battle royal between dexterous savages, swift as tigers, and these leviathans of the prairie with their brute strength.

A quick fearless horse was now invaluable; for the swiftest riders darted towards the large buffaloes and rode within a few yards before taking aim. Instantly, the ravine was ablaze with shots. Showers of arrows from the Indian hunters sung through the air overhead. Men unhorsed, ponies thrown from their feet, buffaloes wounded—or dead—were scattered everywhere. One angry bull gored furiously at his assailant, ripping his horse from shoulder to flank, then, maddened by the creature's blood, and before a shot from a second hunter brought him down, caught the rider on its upturned horns and tossed him high. By keeping deftly to the fore, where the buffalo could not see, and swerving alternately from side to side as the enraged animals struck forward, trained horses avoided side thrusts. The saddle-girths of one hunter, heading a buffalo from the herd, gave way as he was leaning over to send a final ball into the brute's head. Down he went, shoulders foremost under its nose, while the horse, with a deft leap cleared the vicious drive of horns. Strange to say, the buffalo did not see where he fell and galloped onward. Carcasses were mowed down like felled trees; but still we plunged on and on, pursuing the racing herd; while the ground shook in an earthquake under stampeding hoofs.

I had forgotten time, place, danger—everything in the mad chase and was hard after a savage old warrior that outraced my horse. Gradually I rounded him closer to the embankment. My broncho was blowing, almost wind-spent, but still I dug the spurs into him, and was only a few lengths behind the buffalo, when the wily beast turned. With head down, eyes on fire and nostrils blood-red, he bore straight upon me. My broncho reared, then sprang aside. Leaning over to take sure aim, I fired, but a side jerk unbalanced me. I lost my stirrup and sprawled in the dust. When I got to my feet, the buffalo lay dead and my broncho was trotting back. Hunters were still tearing after the disappearing herd. Riderless horses, mad with the smell of blood and snorting at every flash of powder, kept up with the wild race. Little Fellow, La Robe Noire, Burnt Earth, and Ringing Thunder, had evidently been left in the rear; for look where I might I could not see one of my four Indians. Near me two half-breeds were righting their saddles. I also was tightening the girths, which was not an easy matter with my excited broncho prancing round in a circle. Suddenly there was the whistle of something through the air overhead, like a catapult stone, or recoiling whip-lash. The same instant one of the half-breeds gave an upward toss of both arms and, with a piercing shriek, fell to the ground. The fellow caught at his throat and from his bared chest protruded an arrow shaft.

I heard his terrified comrade shout, "The Sioux! the Sioux!" Then he fled in a panic of fear, not knowing where he was going and staggering as he ran; and I saw him pitch forward face downwards. I had barely realized what had happened and what it all meant, before an exultant shout broke from the high grass above the embankment. At that my horse gave a plunge and, wrenching the rein from my grasp, galloped off leaving me to face the hostiles. Half a score of Indians scrambled down the cliff and ran to secure the scalps of the dead. Evidently I had not been seen; but if I ran I should certainly be discovered and a Sioux's arrow can overtake the swiftest runner. I was looking hopelessly about for some place of concealment, when like a demon from the earth a horseman, scarlet in war-paint appeared not a hundred yards away. Brandishing his battle-axe, he came towards me at furious speed. With weapons in hand I crouched as his horse approached; and the fool mistook my action for fear. White teeth glistened and he shrieked with derisive laughter. I knew that sound. Back came memory of Le Grand Diable standing among the shadows of a forest camp-fire, laughing as I struck him.

The Indian swung his club aloft. I dodged abreast of his horse to avoid the blow. With a jerk he pulled the animal back on its haunches. Quick, when it rose, I sent a bullet to its heart. It lurched sideways, reared straight up and fell backwards with Le Grand Diable under. The fall knocked battle-axe and club from his grasp; and when his horse rolled over in a final spasm, two men were instantly locked in a death clutch. The evil eyes of the Indian glared with a fixed look of uncowed hatred and the hands of the other tightened on the redman's throat. Diable was snatching at a knife in his belt, when the cries of my Indians rang out close at hand. Their coming seemed to renew his strength; for with the full weight of an antagonist hanging from his neck, the willowy form squirmed first on his knees, then to his feet. But my men dashed up, knocked his feet from under him and pinioned him to the ground. La Robe Noire, with the blood-lust of his race, had a knife unsheathed and would have finished Diable's career for good and all; but Little Fellow struck the blade from his hand. That murderous attempt cost poor La Robe Noire dearly enough in the end.

Hare-skin thongs of triple ply were wound about Diable's crossed arms from wrists to elbows. Burnt Earth gagged the knave with his own moccasin, while Ringing Thunder and Little Fellow quickly roped him neck and ankles to the fore and hind shanks of the dead buffalo. This time my wily foe should remain in my power till I had rescued Miriam.

"Monsieur! Monsieur!" gasped Little Fellow as he rose from putting a last knot to our prisoner's cords. "The Sioux!" and he pointed in alarm to the cliff.

True, in my sudden conflict, I had forgotten about the marauding Sioux; but the fellows had disappeared from the field of the buffalo hunt and it was to the embankment that my Indians were anxiously looking. Three thin smoke lines were rising from the prairie. I knew enough of Indian lore to recognize this tribal signal as a warning to the Sioux band of some misfortune. Was Miriam within range of those smoke signals? Now was my opportunity. I could offer Diable in exchange for the Sioux captives. Meanwhile, we had him secure. He would not be found till the hunt was over and the carts came for the skins.

Mounting the broncho, which Little Fellow had caught and brought back, I ordered the Indians to get their horses and follow; and I rode up to the level prairie. Against the southern horizon shone the yellow birch of a wigwam. Vague movements were apparent through the long grass, from which we conjectured the raiders were hastening back with news of Diable's capture. We must reach the Sioux camp before these messengers caused another mysterious disappearing of this fugitive tribe.