“By Jove,” Tom admitted, flushing guiltily, “I quite forgot to keep the lenses turned on the hills to the west.”

He now made good for his omission, while Fulsbee led his young men away, stationing them in hiding places along the westward edge of the camp. Each man with a rifle was ordered not to rise from the ground, or to show himself in any way, and not to fire unless orders were given. Then Dave hurried back to the wagon. Something else was lifted out, all canvas covered, and rushed forward to a point just behind a dense clump of bushes.

“Reade, I want to apologize to you,” cried the man from Broadway, moving quickly over to where Tom stood surveying the hills beyond through his glass. “I thought, for a few minutes, that you had suspected some such rascally work afoot, and that you had failed to take proper precautions.”

“If I had failed, sir,” murmured Tom, without removing the glass from before his eyes, “you would have arrived just in time, sir, to turn out of the camp a man who wasn’t fit to be in charge. Yet it was only accident, sir, that led me to suspect what might be in the air.”

Thereupon Tom hastily recounted to the president of the company the story of how he had accidentally overheard fragments of talk between ’Gene Black and Bad Pete.

“That gave me a hint of how the wind was blowing,” Tom continued, “though I couldn’t make out enough of their talk, on either occasion, to learn just what was happening. I telegraphed to the nearest town that had a sheriff in it, and that put me in touch with Fulsbee. Then Dave, over the wire, offered to bring arms here and to help us to defend our camp.”

“Mr. Reade,” exclaimed President Newnham hoarsely, “you are a wonderful young man! While seeming to be idle yourself, you have rushed the work through in splendid shape. Even when our enemies plot in the dark, and plan incredible outrages against us, you fully inform yourself of their plans. When the cowards strike you are ready to meet them, force for force. You may be only a cub engineer, but you have an amazing genius for the work in which chance has placed you out here.”

“You may be guilty, Mr. Newnham, of giving me far more credit than I deserve,” laughed Tom gently. “In the matter of finding out the enemy’s designs, I didn’t, and I don’t know fully yet what the other side intends to do to us. What I did learn was by accident.”

“Very few other young men would have been equal to making the greatest and best use of what accident revealed,” insisted Mr. Newnham warmly.

Harry Hazelton came now, from the hole in the ground, to report that Dr. Gitney had done all he could for the comfort of poor young Reynolds.