Casey has since told me that she was the creepiest thing he ever saw in his life. Yet he could not explain why it was so. The woman's face was not so old, though it was lined and without color. There was a terrible quiet in her features, but he felt, somehow, that her thoughts were not quiet. It was as if her thoughts were reaching out to him, telling him things too awful for her thin, hushed lips to let pass.

But after all, Casey's main object was to locate the man with the rifle, and to do it before he himself was seen on the butte. He watched a little longer the woman who rocked and rocked. Never once did her eyes move from that fixed point on the rug. Never once did her fingers move on the arm of the chair. Her mouth remained immobile as the lips of a dead woman. He had to force himself to leave the window; and when he did, he felt guilty, as if he had somehow deserted some one helpless and needing him. He sneaked back, lifted himself and took another long look. The old woman was rocking back and forth, her face quiet with that terrible, pent placidity which Casey could not understand.

Away from the cabin a pebble's throw, he shook his shoulders and pulled his mind away from her, back to the man with the rifle—and to Barney. Rocking in a chair never hurt anybody that he ever heard of. And shooting from rim-rocks did. And Barney was down there, holed up and helpless, though he had grub and water. Casey was up here in a mighty dangerous place without much grub or water but—he hoped—not quite helpless. His immediate, pressing job was not to peek through a high-up window at an old woman rocking back and forth in a chair, but to round up the man who was interfering with Casey's peaceful quest for—well, he called it wealth; but I think that adventure meant more to him.

He picked his way carefully along the edge of the rim-rock, keeping under cover when he could and watching always the country ahead. And without any artful description of his progress, I will simply say that Casey Ryan combed the edge of that rampart for two miles before dark, and found himself at last on the side farthest from Barney without having discovered the faintest trace of any living soul save the woman who rocked back and forth in the little, secret cabin.

Casey sat down on a rock, took a restrained drink from his canteen, and said everything he knew or could invent that was profane and condemnatory of his luck, of the unseen assassin, of the country and his present predicament. He got up, looked all around him, sniffed unavailingly for some tang of smoke in the thin, crisp air, reseated himself and said everything all over again.

Presently he rose and made his way straight across the butte, going slowly to lessen his chance of making a noise for unfriendly ears to hear, and with the stars for guidance.

CHAPTER FOUR

The night was growing cold, and Casey had no coat. At least he could go down and tell Barney what he had discovered and had failed to discover, and get something to eat. Barney would probably be worrying about him, though there was a chance that a bullet had found Barney before dark. Casey was uneasy, and once he was down the fissure again, he hurried as much as possible.

He managed to reach the camp by the little spring without being shot at and without breaking a leg. But Barney was not there. Just at first Casey believed he was dead; but a brief search told Casey that two of the largest canteens were gone, together with a side of bacon, some flour and all of the tobacco. White assassins would have made a more thorough job of robbing the camp. Barney, it was evident, had fled the fate of the burros.