A movement half-way up on a mesa close by caught his eye, and he backed over his trail, wriggled around the little clearing and began to stalk that particular mesa ledge. Yard after yard was put behind him, nearer and nearer he approached the ledge and a nest of bowlders three hundred yards from it. The bowlders were his objective, for, once among them, he would have the view he wished. Leading to them was a brush-covered ridge and toward this he cautiously advanced, rifle at the ready and every sense alert. But he never reached it.
Behind him and two hundred yards to his right a man slowly arose from behind a rock and, resting a rifle on the bulwark, took slow and careful aim at the gray shirt crawling close to the ridge. There was a flash, a puff of smoke, a sharp report. Pete, a look of great surprise on his face, tried to rise and turn to pay his debt, crumpled suddenly and lay inert, sprawled grotesquely on the ground.
The man behind the rock mechanically reloaded and walked slowly toward his victim, waving his sombrero in a short arc. On his face was an expression of triumphant joy. Up on the ledge of the mesa wall another man arose, acknowledged the signal and began to climb down the wall as hurriedly as safety would permit. When he reached the prostrate figure he found the successful marksman standing like a man in a trance, a look of blank wonderment on his face, his lower jaw sagging loosely.
"Good for you!" said the man from above; and then he paused. "What's th' matter?" A ghastly suspicion flashed into his mind and he leaped forward to see who the victim was. He arose relieved, but as surprised as his companion. "Lord! I was scared you'd got one of th' boys, from th' way you looked! Who th' devil is this feller? An' what's he doin' up here? I've seen him before; who th' devil is he?"
The other drew a long breath. "It's Long Pete, of th' Circle S; but what he's doin' up here is past me. Look at his shirt, his hat, an' say he don't look like Nelson from th' back! He only wears one gun, but I couldn't see that; th' grass an' brush hid it. But, just th' same, he was stalkin' you! If you'd 'a' shoved up yore head, he'd 'a' drilled it, shore!"
"But why should he stalk me?" demanded Harrison. "He didn't have no business up here; he didn't have no reason to sneak along, an' he didn't have no call to stalk me! Say! Mebby he's throwed in with Nelson! If he has, mebby his outfit has throwed in, too! Mebby they're up here strong, an' closin' in from all directions, for a show-down! We better warn th' boys, an' get back to Quigley; an' d—d quick!"
"Go ahead," said Gates. "I'll get his cayuse an' foller close. Where's Art an' Frank?"
"They went on north—I'm off after 'em," snapped Harrison. "Let his cayuse be. You hot-foot it to Quigley!"
"Come on!" growled Gates, wheeling. "They may be on both sides of th' ranch!"
Jim Ackerman, riding slowly along the bank of the main creek, saw everything that could be seen by a man with keen eyes; and he felt nervous. There was cover all about him, good cover; and any of it might be sheltering the man he was hunting. There was no sense for him to ride along the bank, an inviting target that a boy hardly could miss; there was no sense in riding at all; so he picketed his horse and went ahead on foot.