The bank grew lower till at last he could not keep hidden behind it if he ran farther down the track. Then he flung himself flat on the bank and crawled up till he could peer over.
The two men were walking toward the distant boarding house. Hicks was talking excitedly, while Cooler still smoked. Hicks looked back suspiciously, but the man in gray did not turn his head.
They passed the house where the overseer had lived when he was on the island with the crew of men who worked in the quarry—they were again hidden from view.
Over the bank scrambled Frank. Keeping the house between him and the men, he ran swiftly forward.
In a short time he reached the house. He paused to listen, his heart thumping loudly.
He could hear nothing.
Then he slipped round the house. He carefully peered round each corner before advancing. At the second corner he halted, for again he could see the men he was shadowing.
They were near the old building in which Frank had been struck down. The man in gray seemed to be asking questions. He was surveying the surroundings as if he had never inspected them before.
For fifteen minutes they stood there talking, and then they went into the building.
Frank decided to return to his friends. He quickly