Dick's pony rose again on a swell higher than the others, and was poised there for the fraction of a second, a dark silhouette against the darker sky. Several of the Sioux fired. Dick felt once more that momentary jar of his horse's mechanism, but it disappeared quickly and his hopes rose, because he saw that the darkness lay thickly between this swell and the next, and he believed that he now could lose his pursuers.
He urged his horse vigorously. He had made no mistake when he chose this pony as strong and true. The response was instant and emphatic. He flew down the slope, but instead of ascending the next swell he turned at an angle and went down the depression that lay between them. There the darkness was thickest, and the burst of speed by the pony was so great that the shapes of his pursuers became vague and then were lost. Nevertheless, he heard the thudding of their hoofs and knew that they could also hear the beat of his. That would guide them for a while yet. He thought he might turn again and cross the next swell, thus throwing them entirely off his track, but he was afraid that he would be cast into relief again when he reached the crest, and so continued down the depression.
He heard shouts behind him, and it seemed to him that they were not now the shouts of triumph, but the shouts of chagrin. Clearly, he was gaining because after the cries ceased, the sound of hoof beats came but faintly. He urged his horse to the last ounce of his speed and soon the sound of the pursuing hoofs ceased entirely.
The depression ended and he was on the flat plain. It was still cloudy, with no moon, but his eyes were used enough to the dark to tell him that the appearance of the country had changed. It now lay before him almost as smooth as the surface of a table, and never relaxing the swift gallop, he turned at another angle.
He was confident now that the Sioux could not overtake or find him. A lone object in the vast darkness, there was not a chance in a hundred for them to blunder upon him. But the farther away the better, and he went on for an hour. He would not have stopped then, but the good pony suddenly began to quiver, and then halted so abruptly that Dick, rifle and all, shot over his shoulder. He felt a stunning blow, a beautiful set of stars flashed before his eyes, and he was gone, for the time, to another land.
When Dick awoke he felt very cold and his head ached. He was lying flat upon his back, and, with involuntary motion, he put his hand to his head. He felt a bump there and the hand came back damp and stained. He could see that the fingers were red—there was light enough for that ominous sight, although the night had no yet passed.
Then the flight, the danger, and his fall all came back in a rush to Dick. He leaped to his feet, and the act gave him pain, but not enough to show that any bone was broken. His rifle, the plainsman's staff and defense, lay at his feet. He quickly picked it up and found that it, too, was unbroken. In fact, it was not bent in the slightest, and here his luck had stood him well. But ten feet away lay a horse, the pony that had been a good friend to him in need.
Dick walked over to the pony. It was dead and cold. It must have been dead two to three hours at least, and he had lain that long unconscious. There was a bullet hole in its side and Dick understood now the cause of those two shivers, like the momentary stopping of a clock's mechanism. The gallant horse had galloped on until he was stopped only by death. Dick felt sadness and pity.
"I hope you've gone to the horse heaven," he murmured.
Then he turned to thoughts of his own position. Alone and afoot upon the prairie, with hostile and mounted Sioux somewhere about, he was still in bad case. He longed now for his mountains, the lost valley, the warm cabin, and his brother.