Read it through once

Thus day followed day; and as sure as morning came he found that his unseen enemies had kept their register, and had marked up in some conspicuous position how many days were still left to him out of the month of grace. Sometimes the fatal numbers appeared upon the walls, sometimes upon the floors, occasionally they were on small placards stuck upon the garden gate or the railings. With all his vigilance John Ferrier could not discover whence these daily warnings proceeded. A horror which was almost superstitious came upon him at the sight of them. He became haggard and restless, and his eyes had the troubled look of some hunted creature. He had but one hope in life now, and that was for the arrival of the young hunter from Nevada.