And now at Buffalo Butte 705 was side-tracked, awaiting the coming of passenger No. 4, east bound, and then—then there would be a clear run to and through Argenta. Then would come the familiar scenes about old Fort Reynolds; then the wild and picturesque beauty of Squaw Cañon and Hatch's Cove, and then George Graham would be able to judge by surface indications how far his disguise had really disguised him. Toomey had already told him where Nolan and Feeny could be found. Toomey was to send word or a letter to both of them, and then it would be time to decide on the next move.

For now the scheme was to reach the heart of what might be called the enemy's country, and to get there unsuspected, unobserved, and thus far all was working well.

It was the second morning after his reaching Denver. Mr. Anthony had put him through to the Springs, and then to Chimney Switch, where he was to wait for 705 and Toomey. And even now as they stood there, he and Toomey, exchanging at intervals some low-toned words at the switch, the eastward skies were slowly taking on their early morning garb of pink and violet, the eastward fronts of the snow-sifted peaks and domes far to the north and south were lighting up with wondrous hues of gold and crimson; the stars aloft were paling and the moon was sinking low, and still big 705 stood hissing and grumbling placidly on the long siding, and the green lights back at the caboose blinked sleepily against the dawn. Two glimmering threads of light in rigid right lines, converging far beyond the rear of the train, stretched eastward from their feet until lost in the shadows of Buffalo Butte, and not yet had Toomey's accustomed ear been able to detect the faint, whirring, song of the rails that tells of the coming of far-distant, thundering wheels. "She's late again," said Toomey, uneasily. "We should have heard her whistling for Spearman's Ranch five minutes ago, and I wanted to pull you out of Argenta before seven o'clock."

"You still think I'm not grimy enough," said Geordie, with a grin. "I can lay on a coat of coal-dust—"

"'Tisn't that," came the murmured answer, with a shake of the head. "It's the back and shoulders, sir. You couldn't turn yourself hindside-foremost, could you, and get your chest between your shoulder-blades?"

"I can cultivate a stoop," said Geordie, with a forward hunch of the shoulders. "But there you go with that 'sir' again. We're in uniform, but not that of the cavalry. You'll betray me yet, Toomey, if you're not careful. Now, about the stoop—"

"It might do, s—, if you could keep it, but from the time you came to Reynolds you were the straightest boy in the garrison, and now, with four years at West Point, you've got a back on you flat as a board. That's what's going to queer us in passing you off for a kid fireman. It was hard enough going through before it was fairly light. Now, unless No. 4 gets in in five minutes, the sun will be lighting the length of the shed at Argenta, and we've got cars to cut out there, too. Confound No. 4!"

And then a certain superfluous lantern, bleary with a night of service, came dawdling up the side of the train, and the conductor hove in sight, watch in hand. "Four left Argenta on time," said he to the engineer. "What the mischief keeps her? She ought to have gone by five minutes ago. Who's yonder with Toomey?"

"Friend of his; young feller from Chimney, learning firing. Old man's orders," he added, at sight of rebuke in the conductor's eyes. "Told me himself to take him along and give him a show."

The conductor set his lantern down near the fore truck of the tender. He did not half like it that a superior should give orders to his engineer that did not come through him. He had been a soldier in his day and accustomed to military ways of doing things. He was already chafing over a delay that would bring him behind time to Argenta. Now he was nettled at this apparent slight. "When did he tell you, and where?" was the demand. "He was at Denver the last I saw of him."