“There is a reason. They are trying to buy me out.”

“Now you’re talkin’!” said the foreman sagely. “Maybe you’ve got coal here under your feet, ’r maybe you hain’t. You don’t know, yet, an’ maybe they don’t know. But they’d just as soon you wouldn’t find out for sure whilst the dickerin’ ’s goin’ on. They’d like as not call it ‘good business’ to hold you up for a spell, wouldn’t they?”

“Quite likely,” Tregarvon was glancing at his watch. The call upon Hartridge had now become a necessity, if only for apologetic and explanatory reasons. True, it was still possible that the professor had been in collusion with the planter of steel cubes on the night of surprises, but these later developments seemed to exonerate him handsomely. “I must go,” he told the foreman. “Rucker will relieve you here in time for you to go to your supper. If Sawyer should happen to turn up, just keep your own counsel about what we have discovered. We’ll deal with him—and his bosses—when the time comes.”

A few minutes beyond this, Tregarvon was at Highmount, inquiring for Professor Hartridge. The young woman who answered his ring told him that the professor had gone over to the McNabb neighborhood to see a sick child. Not wishing to let his opportunity escape, Tregarvon set out to walk through the forest, taking a path leading in the general direction of the sunken mountain-top valley known locally as the “Pocket”; this on the chance of meeting Hartridge and walking back to the school with him.

Now it so chanced that Tregarvon had never visited the “Pocket,” and though he knew, from Carfax’s description of the locality, that it could not be more than a mile or two beyond Highmount, he was not aware that the path he had chosen was not the right one. Having plenty of other things to think about, he paid little attention to his surroundings until, at the end of a half-hour, he found that the path, which had been growing indistinct, had disappeared entirely, leaving him in a region of deep ravines with their slopes heavily wooded; hollows boulder-strewn, in which the old-growth timber stood thickly, with only a fallen and rotting trunk here and there to show where the tan-bark gatherers had slain some monarch of the forest for the paltry stripping of its outer skin—mute testimony to the waste of a nation.

It was not until after he had covered distance enough, as he thought, to have taken him all the way across from Highmount to the western brow of the mountain, that he saw a man—whom he took to be Hartridge—sitting upon a flat stone in the shadow of a great boulder on the opposite side of a small mountain brook. Just as he was about to call out and make his presence known, the man sprang to his feet suddenly, as if in alarm, and whipped a weapon from his pocket.

Obeying the instinct of self-preservation in pure automatism, Tregarvon dropped silently behind the nearest boulder on his own side of the stream. When he looked again he saw that the man was not Hartridge; he was a much younger man; a handsome young fellow, well-built and athletic-looking, with nothing in his appearance to connect him with the mountain and its natives. The attitude of strained anxiety into which the quick leap afoot had thrown him lasted only for a moment. While Tregarvon looked, a warbling bird whistle rose shrill and clear on the windless air. The watcher saw the young man hastily pocket the pistol and heard him whistle a reply. Almost at the same instant the figure of a woman appeared at the buried up-hill heel of the great boulder. She stood for a moment in the yellow light of the westering sun, long enough for Tregarvon to recognize her beyond any question of doubt. Then she ran, slipping and sliding, down the leaf-carpeted hazard slope, to be caught in the arms of the waiting man.

For a little time Tregarvon sat with his back to the sheltering boulder, trying to surround this latest and newest development in the maze of mysteries. Slowly it came to him that this was the explanation of Richardia’s attitude; the reason why she had slipped aside, masking the true state of affairs and rebuffing him by seeming to accept the attentions of Carfax. One by one the corroborative inferences fell into place, each fitting with exact nicety: Richardia’s piquant reticences; her half-confidences which had always stopped short of revealment; her little flights to the shelter of detachment whenever the talk threatened to lean toward sentiment; all these were signs which might have been read—which were plainly readable now in the light of the small tableau staging itself in the shadow of the great rock on the opposite hillside.

Tregarvon peeped again. It was most obviously a lovers’ meeting. The young man had drawn the judge’s daughter to a seat beside him on the flat stone, and he still had his arm about her. They were talking eagerly in low tones; Tregarvon could hear only a murmur of voices, but Richardia’s face was toward him, and in it he re-read his complete effacement. In a series of revealing flashes more of the corroborative fragments whisked into place; he had been blind not to see the pointing of certain playful allusions made now and then at the Caswells’ dinner-table and aimed at the music teacher. Doubtless, to the small world of the mountain top, these Sunday-afternoon trysts in the forest were an old story. But why were they clandestine? The answer fitted itself promptly. By all accounts Judge Birrell was a person of shrewd prejudices; quite possibly he disapproved of this young man who had stolen his daughter’s heart; and perhaps the disapproval was not entirely without reason. Tregarvon recalled the signs of perturbation and the sudden pistol drawing which had preceded Richardia’s appearance.

In deference to a prompting which took its color more from complete and hopeless chagrin than from any charitable scruples, Tregarvon squared his back against the concealing boulder and refused to look any more. While the pair across the streamlet kept their places, it was impossible for him to retreat undiscovered. The waiting interval was not unduly long. When he could no longer distinguish the murmur of voices he ventured to peep again. The flat-stone seat was empty and they were gone.