us—that shootin’. If it’s Apaches, why, I reckon there’s a long dry spell ahead of us; but if it’s only Greasers——”
He grinned with grim eloquence, patted the black again, and climbed into the saddle. Again, as before, he sat silent upon his mount, scanning the sun-scorched waste; and then he rode forward.
An hour later, during which he loped the black horse slowly, he again drew the animal to a halt and gazed around him, frowning, his eyes gleaming with a savage intolerance.
The shooting he had heard some time previous to his appearance at the base of the big sand dune had not been done by Indians. He was almost convinced of that now. Or, if Indians had done the shooting, they had not yet observed him. The fact that he had seen no smoke signals proved that.
Still, there was the deep silence on every hand to bring doubt into his mind; and he knew that Indians—especially Apaches—were tricky, sometimes foregoing the smoke signals to lie in ambush. And very likely—if they had seen him coming—they were doing that very thing: waiting for him to ride into the trap they had prepared. He had not been able to locate the point from which the reports had come. It had seemed to him that they had come from a point directly westward; but he could not be sure, for he had seen no smoke.
He talked no more to the horse, sitting rigidly in the saddle, erect, his head bent a little forward, his chin thrusting, his lips curving with a bitterly savage snarl. He felt the presence of living things with him in the desert; a presentiment had gripped him—a conviction that living men were close and hostile.
Reaching downward, he drew the rifle from the saddle holster and examined its mechanism. Placing it across his knee, he drew out his heavy pistols, one after another, slowly twirling the cylinders. He replaced the pistols, making sure that the holster flaps were out of the way so that they would not catch or drag at the weapons when he wanted to use them—and with the rifle resting across his legs near the saddle horn, he rode slowly forward.
He swung wide of even the small sand dunes as he passed them, and he kept a vigilant eye upon the dead rocks that dotted the level at infrequent intervals. Even the cactus clumps received flattering attention; and the little stretches of greasewood that came within range of his vision were examined closely.
At the end of half an hour he had seen nothing unusual. Here and there he had noticed a rattler lurking in the shade of a rock or partly concealed under the thorny blade of a sprawling cactus; and he had seen a sage hen nestling in the hot sand. But these were fixtures—as was also the Mexican eagle that winged its slow way in mile-wide circles in the glaring, heat-pulsing sky.
The rider again halted the black horse. The presentiment of evil had grown upon him, and he twisted around in the saddle, sweeping the desolate vast level with cold, alert, puzzled eyes.
There was no object near him behind which an enemy might lie concealed; the gray floor of the desert within many hundred miles of him was smooth and flat and obstructionless. Far away, half a mile, perhaps, he saw a thrusting knob of rock, with some cactus fringing it. From where he sat in the saddle it seemed that the rock might be the peak of a mountain reaching upward out of the sea of sand and desert waste—but it was barren on sides and top, and would afford no concealment for an enemy, except at its base. And even the base was not large enough to conceal more than a few men.
The rider gazed long at the rock, but could detect no sign of movement near it. He had turned from it, to look again into the western distance, when Purgatory whinnied lowly.
Flashing around in the saddle, the rider again faced the rock. And he saw movement there now. The distance was great, but the clarity of the atmosphere brought a moving object distinctly into his vision. The object was a man, and, like a huge fly, he was crawling rapidly up the sloping side of the rock, toward its peak, which flattened abruptly at the summit.
The man bore a rifle. The rider could see it dragging from the man’s hand; and in a flash the rider was out of the saddle, throwing himself flat behind a low ridge of sand, his own rifle coming to a rest on a small boulder as he trained its muzzle upon the man, who by this time had reached the summit of the rocks in the distance. The rider waited, nursing the stock of the rifle, his eyes blazing, while Purgatory, seemingly aware of an impending tragedy, moved slowly away as though understanding that he must not expose himself.
The rider waited, anticipating the bullet that would presently whine toward him. And then he heard the report of the man’s rifle, saw that the smoke streak had been directed downward, as though the man on the summit of the rock were shooting at something below him.
The rider had been pressing the trigger of his own weapon when he saw the smoke streak. He withheld his fire when he divined that the man was not shooting at him; and when he saw the man on the rock shoot again—downward once more—the rider frowned with embarrassment.
“Don’t even know I’m here!” he mused. “An’ me gettin’ ready to salivate him!”
He got to his knees and watched, curiosity gleaming in his eyes. He saw the man on the rock fire again—downward—and he noted a smoke spurt answer the shot, coming upward from the base of the rock. The rider got to his feet and peered intently at the rock. And now he saw another man crouching near its base. This man, however, was not the one the man on the summit of the rock was shooting at, for smoke streaks were issuing from a weapon in that man’s hand also, but they were horizontal streaks.
Therefore the rider divined that the two men must be shooting at another who was on the far side of the rock; and he ran to Purgatory, speaking no word until he had vaulted into the saddle. Then he spoke shortly.
“They’re white men, Purgatory, an’ they’re havin’ a private rukus, looks like. But we’re doin’ some investigatin’ just to see if the game’s on the level.”
CHAPTER II
A MAN’S REPUTATION
Purgatory moved fast, but warily. The black horse seemed to have caught something of his rider’s caution. For part of the distance toward the rock the animal traveled straight, loping rapidly, but as he neared the little stretch of broken country that surrounded the rock he began to sheer off, advancing with mincing steps, his ears erect, his eyes wide and alert, snorting suspiciously.
Knowing his horse, the rider made no attempt to guide him; he knew Purgatory was alert to any hostile movement on the part of the men who were shooting, and that at the first sign of danger to himself or to his rider he would do what was required of him.
The man on the summit of the rock was still shooting, though intermittently. It seemed to the rider that the man’s target must be elusive or concealed, for the shooter’s actions showed that he was irritated. The other man, too, was still shooting. The rider noted that he, too, seemed to be meeting with failure, for as the rider drew nearer he heard the man curse.
Neither of the two men who were visible to the rider had seen him—neither of them had heard the big black horse gliding over the deep sand of the desert. The rider grinned with grim mirthlessness, edging Purgatory around so that the two men, their backs toward him, were not more than twenty or thirty feet away and entirely exposed to his view.
So
