On it was Written —

Can this avail thee? Look to it!

Prometheus Bound.

The district attorney was right; Sweetwater was not happy. His night’s rest had not benefited him. He had seemed natural enough when he first appeared at the coroner’s office in the early morning, and equally natural all through the lengthy conference which followed; but a half hour later, any one who knew him well,— any of his fellow detectives in New York; especially Mr. Gryce, who had almost fathered him since he came among them, a raw and inexperienced recruit — would have seen at first glance that his spirits were no longer at par, and that the cheer he displayed in manner and look was entirely assumed, and likely to disappear as soon as he found himself alone.

And it did so disappear. When, at two o’clock, he entered the club-house grounds, it was without buoyancy or any of the natural animation with which he usually went about his work. Each step seemed weighted with thought, or, at least, heavy with inner dissatisfaction. But his eye was as keen as ever, and he began to use that eye from the moment he passed the gates. What was in his mind? Was he hunting for new clews, or was he merely seeking to establish the old?

The officers on guard knew him, by this time, and let him pass hither, thither, and where he would, unmolested. He walked up and down the driveways, peering continuously at the well-trodden snow. He studied the spaces between. He sauntered to the rear, and looked out over the golf-links. Then he began to study the ground in this direction, as he had already studied it in front. The few mutterings which left his lips continued to speak of discontent. “If I had only had Clarke’s chance, or even Hexford’s,” was among his complaints. “But what can I hope now? The snow has been trampled till it is one solid cake of ice, to the very edge of the golf-links. Beyond that, the distance is too great for minute inspection. Yet it will have to be gone over, inch by inch, before I shall feel satisfied. I must know how much of his story is to be believed, and how much of it we can safely set aside.”

He ended by wandering down on the golf-links. Taking out his watch, he satisfied himself that he had time for an experiment, and immediately started for Cuthbert Road. An hour later, he came wandering back, on a different line. He looked soured, disappointed. When near the building again, he cast his eye over its rear, and gazed long and earnestly at the window which had been pointed out to him as the one from which a possible light had shone forth that night. There were no trees on this side of the house — only vines. But the vines were bare of leaves and offered no obstruction to his view. “If............