I'll make the two holes, and you must put the screws in; you're the best carpenter of the lot." Standing in the cold, dark passage, the work seemed to take ages to perform; but at length it was finished. "Hist! what are you doing ?" Fletcher had produced a scrap of paper from his pocket, and was seemingly about to slip it under the door. "I want to make certain that it shall be put down to Oaks," he whispered; "so in case the screw-driver should be overlooked, I'm going to slip this under the door for Grice to find in the morning." Thurston glanced at the paper, and saw printed thereon in bold capitals the following inscription:-- "BE IN TIME BY THE SCHOOL CLOCK.".