And now it was a struggle of sheer force and agility. She managed to whip out the knife from her belt and to strike time and time again through sinewy flesh, to the bone. The only noise was the dragging of their feet on the sand, the cracking of the willows and the swishing of the blade. It was savage against savage, two vicious, fearless beasts. The Apache in Felipa was full awake now, awake in the bliss of killing, the frenzy of fight, and awake too, in the instinct which told her how, with a deep-drawn breath, a contraction, a sudden drop and writhing, she would be free of the arms of steel. And she was free, but not to turn and run--to lunge forward, once and again, her breath hissing between her clenched, bared teeth. The buck fell back before her fury, but she followed him thrusting and slashing. Yet it might not, even then, have ended well for her, had there not come from somewhere overhead the sound most dreaded as an omen of harm by all Apaches--the hoot of an owl. The Indian gave a low cry of dismay and turned and darted in among the bushes. She stood alone, with the sticky, wet knife in her hand, catching her breath, coming out of the madness. Then she stooped, and pushing the branches aside felt about for her pistol. It lay at the root of a tree, and when she had picked it up and put it back in the holster, there occurred to her for the first time the thought that the shot in the dead stillness must have roused the camp. And now she was sincerely frightened. If she were found here, it would be more than disagreeable for Landor. They must not find her. She started at a swift, long-limbed run, making a wide detour, to avoid the sentries, bending low, and flying silently among the bushes and across the shadowy sands. She could hear voices confusedly, men hurriedly calling and hallooing as she neared the back of the officers' line and crept into her tent. The door was barely closed when there came a knock, and the voice of the striker asking if she had heard the shot across the river. "Yes," she said, "I heard it. But I was not frightened. What was it?" He did not know, he said, and she sent him back to the barracks. Then she lit a lamp and took off her blood-stained gown. There was blood, too, on the knife and its case. She cleaned them as best she could and looked into the chamber of her revolver with a contemplative smile on the lips that less than half an hour before had been curled back from her sharp teeth like those of a fighting wolf. She wondered how badly the buck had been hurt. And the next day she knew. When she came out in front of her quarters in the morning, rather later than usual, there was a new tent beside the hospital, and when she asked the reason for it, they told her that a wounded Apache had been found down by the river soon after the shot had been fired the night before. He was badly hurt, with a ball in his shoulder, and he was half drunk with tizwin, as well as being cut in a dozen places.