Buck¹ took to Jim Tenny at once. There was something about this long, lean, brown-faced foreman of the Rocking-R, with his clear gray eyes and that half-humorous twist to his thin lips, which inspired not only confidence but liking² as well. He listened without comment to Buck's story, which included practically everything save the revelation of his own identity; but once or twice, especially at the brief mention of the fight in the bunk-house, his eyes gleamed with momentary³ approval. When Buck told about the blackleg incident his face darkened and he spoke⁴ for the first time.

 

"Seems like yuh had him there," he said briefly⁵. "That job alone ought to land him in the pen."

 

Buck nodded. "I know; but I'm afraid he couldn't be convicted on my evidence alone. Kreeger and Siegrist fixed⁶ up a pretty decent alibi⁷, you see, and it would only be my word against theirs. Even the carcass of the beast wouldn't help much. They'd say it wandered through the pass by itself, and I suppose there's one chance in a thousand it could have."

 

"Damned unlikely, though," shrugged⁸ Tenny.

 

"Sure; but the law's that way. You've got to be dead certain. Besides, if he was pulled in for that we might never find out just what's at the bottom of it all. That's the important thing, and if I can only get a line on what he's up to, we'll land him swift enough, believe me!"

 

Warned by Bud's unexpected question the evening before that he must have a more plausible⁹ motive¹⁰ for following up the case, Buck had coolly appointed himself one of Jim Hardenberg's deputies. He hinted that rumors¹¹ of the cattle-stealing had reached the sheriff, who, debarred from taking up the matter openly by the absence of any complaint from the owner of the Shoe-Bar, had dispatched Stratton on a secret investigation¹². The process of that investigation having disclosed evidences of rascality¹³ of which the rustling¹⁴ was but a minor¹⁵ feature, Stratton's desire to probe the mystery to the bottom seemed perfectly¹⁶ natural, and the need for secrecy¹⁷ was also accounted for. The only risk Buck ran was of Tenny's mentioning the matter to Hardenberg himself, and that seemed slight enough. At the worst it would merely mean anticipating a little; for if he did succeed in solving the problem of Tex Lynch's motives¹⁸, the next and final step would naturally be up to the sheriff.

 

"I get yuh," said Tenny, nodding. "That's true enough. Well, what do you want me to do?"

 

Buck told him briefly, and the foreman's eyes twinkled.

 

"That's some order," he commented.

 

"I'd pay you for the stock and grub, of course," Stratton assured him; "and at least put up a deposit for the cayuses."

 

"Oh, that part ain't frettin' me none. I reckon I can trust yuh. I was thinkin' about how I could stall off Lynch in case he comes around askin' questions. Yuh want he should get the idea I hired yuh?"

 

"I thought it would ease his mind and give him the notion I was safe for a while," smiled Stratton. "Of course you could say I tried for a job but you were full up."

 

"That would be easier," agreed Tenny. "I could keep my mouth shut, but I couldn't guarantee about the boys. They wouldn't say nothin' a-purpose, but like as not if they should meet up with one of that slick crowd at the Shoe-Bar they'd let somethin' slip without thinkin'. On the other hand, it sure would make him a mite¹⁹ careless if he thought yuh was tied down here on a reg'lar job."

 

He paused reflectively; then suddenly his eyes brightened.

 

"I got it," he chuckled²⁰. "I'll send you down to help Gabby Smith at Red Butte camp. That's 'way to hell and gone down at the south end of the outfit²¹, where nobody goes from here more'n about once in six months. Gabby's one of these here solitary²² guys that's sorta soured on the world in gen'al, an' don't hardly open his face except to take in grub, but yuh can trust him. Jest tell him what yuh want and he'll do it, providin' yuh don't hang around the camp too long. Gabby does hate company worse'n a dose of poison."

 

Tenny lost no time in carrying out his plans. He hunted out a few simple cooking-utensils and enough canned goods and other stores to last two weeks, picked a pack-animal and a riding horse, and by dinner-time had everything ready for Buck to start immediately afterward²⁴.

 

The six or seven cow-punchers who responded to the gong presented a marked and pleasant contrast to the Shoe-Bar outfit. They greeted Stratton with some brevity, but after the first pangs²⁵ of hunger had been assuaged²⁶ and they learned where he was bound for, they expanded, and Buck was the object of much joking commiseration²⁷ on the prospect²⁸ before him.

 

"You'll sure have one wild time," grinned a dark-haired, blue-eyed youngster called Broncho. "Gabby's about as sociable²⁹ as a rattler. I wouldn't change places with yuh for no money."

 

No one seemed to suspect any ulterior motive beneath the plan, and when Buck rode off about one o'clock, leading his pack-horse, his spirits rose insensibly at the ease with which things seemed to be working out.

 

He reached Red Butte camp in a little more than three hours and found the adobe³⁰ shack³¹ deserted³². It was similar in size and construction to Las Vegas, but there all likeness³³ ceased, for the interior was surprisingly comfortable and as spick-and-span as the Shoe-Bar line camp was cluttered³⁴ and dirty. Everything was so immaculate, in fact, that Buck had a moment of hesitation³⁵ about flicking³⁶ his cigarette ashes on the floor, and banished³⁷ his scruples³⁸ mainly because he had never heard of a cow-man dropping them anywhere else.

 

Gabby appeared about an hour later, a tall, stooping man of uncertain middle age, with a cold eye and a perpetual, sour droop³⁹ to his lids. At the sight of Buck the sourness became accentuated⁴⁰ and increased still more when he observed the ashes on the floor. His only reply to Stratton's introduction of himself was a grunt⁴¹ and Buck lost no time in easing the fellow's mind of any fear of a prolonged spell of company.

 

Even then Gabby's gloom scarcely lightened. He listened, however, to Stratton's brief explanation and in a few gruff words agreed that in the unlikely event of any inquiry⁴² he would say that the new hand was off riding fence or something of the sort. Then he swept out the offending ashes and proceeded methodically to get supper, declining any assistance from his visitor.

 

His manner was so dispiriting that Buck was thankful when the silent meal was over, and even more so an hour later to spread his blankets in one of the spare bunks⁴³ and turn in. His relief at getting away early the next morning was almost as great as Gabby's could be to see him go.

 

It was late in the afternoon, after a careful circuit of the southern end of the Shoe-Bar, that Buck reached the foothills. Bud had told him of a spring to the northwest of Las Vegas camp, but the rough traveling decided⁴⁴ him to camp that night on the further side of the creek⁴⁵. In the morning he went on through a wilderness⁴⁶ of arroyos⁴⁷, cañons, and gullies that twisted endlessly between the barren hills, and made him realize how simple it would be for any number of men and cattle to evade⁴⁸ pursuit in this wild country.

 

Fortunately Jessup's directions had been explicit⁴⁹, and toward noon Buck found the spring at the bottom of a small cañon and proceeded to unpack⁵⁰ and settle down. Bud himself had discovered the place by accident, and as far as Stratton could judge it was not a likely spot to be visited either by the Shoe-Bar hands or their Mexican confederates. A wide, overhanging ledge⁵¹ provided shelter for himself, and there was plenty of forage⁵² in sight for the two horses. Taken all in all, it was as snug⁵³ a retreat as any one could wish, and Buck congratulated himself on having such safe and secluded⁵⁴ headquarters from which to carry on his investigations⁵⁵.

 

These first took him southward, and for five days he rode through the hills, traversing gullies and cañons, and spying out the whole country generally, in a systematic⁵⁶ effort to find the route taken by the rustlers in driving off their booty.

 

Once he found the spot where they had taken to the hills, the rest was comparatively simple. There were a number of signs to guide him, including the bodies of two animals bearing the familiar brand, and he succeeded in tracing the thieves to a point on the edge of a stretch of desert twenty miles or more below the Shoe-Bar land. About twelve miles beyond lay another range of hills, which would give them cover until they were within a short distance of the border.

 

"A dozen good fellows stationed here," thought Stratton, critically surveying the gully behind him, "would catch them without any trouble. There's no other way I've seen of getting out with a bunch of cattle."

 

Having settled this point to his satisfaction, Buck's mind veered⁵⁷ swiftly--with an odd sense of relief that now at last he could investigate the matter seriously--to the other problem which had stirred his curiosity so long.

 

When his attention was first attracted to the north pasture by Bud's account of Andrew Thorne's tragic⁵⁸ death, its connection with the mystery of the ranch⁵⁹ seemed trivial. But for some reason the thing stuck in his mind, returning again and again with a teasing persistence⁶⁰ and gaining each time in significance. From much thinking about it, Buck could almost reconstruct the scene, with its familiar, humdrum⁶¹ background of bawling⁶² calves⁶³, lowing mothers, dust, hot irons, swearing, sweating men, and all the other accompaniments of the spring branding. That was the picture into which Thorne had suddenly ridden, his face stamped with an excitement in marked contrast to his usual phlegmatic⁶⁴ calm. In his mind's eye Stratton could see him clutch Tex Lynch and draw him hastily to one side, could imagine vividly⁶⁵ the low-voiced conversation that followed, the hurried saddling of a fresh horse, and the swift departure of the two northward--to what?

 

Buck had asked himself that question a hundred times. Three hours had passed before the return of Lynch alone, with the shocking news--time enough to ride twice the distance to north pasture and back again. Where had the interval⁶⁶ been passed, and how?

 

Stratton realized that they might easily have changed their direction, once they were out of sight of the men. They might have gone eastward⁶⁷ toward the ranch-house--which they had not--or westward⁶⁸ into the mountains. Once or twice Buck considered the possibility of the old man's having stumbled on a rich lode⁶⁹ of precious metal. But as far as he knew no trace of gold had ever been found in these mountains. Moreover, though Lynch was perfectly capable of murdering his employer for that knowledge, his next logical move would have been an immediate²³ taking up of the claims, instead of which he remained quietly on the ranch to carry on his slow and secret plotting.

 

Stratton long ago dismissed that possibility. There remained only the north pasture, and the longer he considered it the more he became convinced that Thorne had met his death there, and that the chances were strong that somewhere in those wastes of worthless desert land lay the key to the whole enthralling⁷⁰ mystery.

 

Buck was so eager to start his investigations that it irked him to have to spend the few remaining hours of the afternoon in idleness. But as he knew that the undertaking⁷¹ would take a full day or even longer, he possessed⁷² his soul with patience and made arrangements for an early start next morning.

 

The dawn was just breaking when he left camp mounted on Pete, the Rocking-R horse that he had found so reliable in the rough country. The simplest and most direct way would have been to descend⁷³ to level ground and ride along the edge of the Shoe-Bar land. But he dared not take any chances of being observed by Lynch or his gang, and was forced to make a long detour⁷⁴ through the hills.

 

The way was difficult and roundabout. Frequently he was turned back by blind cañons or gullies which had no outlet⁷⁵, and there were few places where the horse could go faster than a walk. To Buck's impatient spirit it was all tiresome⁷⁶ and exasperating⁷⁷, and he had moments of wondering whether he was ever going to get anywhere.

 

Finally, about the middle of the afternoon, he was cheered for the first time by an unexpected glimpse of his goal. For several miles he had been following a rough trail which wound around the side of a steep, irregular hill. Coming out abruptly⁷⁸ on a little plateau, with the tumbled rocks rising at his back, there spread out suddenly before him to the east a wide, extended sweep of level country.

 

At first he could scarcely believe that the sandy stretch below him was the north pasture he was seeking. But swiftly he realized that the threadlike line a little to the south must be the fence dividing the desert from the fertile portions of the Shoe-Bar, and he even thought he recognized the corner where the infected steer⁷⁹ had been driven through. With an exclamation⁸⁰ of satisfaction he was reaching for his field-glasses when of a sudden a strange, slowly-moving shape out in the desert caught his attention and riveted⁸¹ it instantly.

 

For a few seconds Buck thought his eyes were playing tricks. Amazed, incredulous, forgetting for an instant the field-glasses in his hand, he stared blankly from under squinting⁸² lids at the incredible object that crawled lurchingly through the shimmering⁸⁴, glittering desert atmosphere.

 

"I'm dotty!" he muttered at length. "It can't be!"

 

Then, remembering the glasses, he raised them hastily to his eyes and focused them with a twist or two of practised fingers.

 

He was neither crazy nor mistaken. Drawn⁸⁵ suddenly out of its blurred⁸⁶ obscurity by the powerful lenses, there sprang up before Buck's eyes, sharp and clear in every detail, a big gray motor-car that moved slowly but steadily⁸⁷, with many a bump and sidewise lurch⁸³, diagonally across the cactus-sprinkled desert below him.

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