“No, I can’t, exactly,” spoke Tom, slowly, “but if it’s anything mean or low-down, you’ll do it. I know you of old. I’ve had dealing with you before.”

“Yes, and you’re going to have more!” the professor fairly shouted. “I’m going to get even with you for what you did for me. You caused me to lose my place at Elmwood Hall——”

“You deserved to lose it!” said Tom, cuttingly.

“And you mistreated me when we were out in that open boat——”

“Mistreated you!” fairly gasped Tom, amazed at the man’s hardness of mind. “Mistreated you, when you tried to steal the little water and food we had left!”

He could say no more. His mind went back vividly to the days of the wreck of the Silver Star, when he and others had been in great peril at sea. He had indeed prevented the professor from carrying out his evil designs, though Tom was not more harsh than needful. But now he was to suffer for that.

“I’ve got you where I want you,” went on Skeel, when Tom had become silent. “I’ve laid my plans well, and you fell into the trap. I won’t deny that the storm helped a lot, but I’ve got you now, and you’re going to do as I say, or it will be the worse for you. You’ll do as I say——”

“Don’t be too sure!” interrupted Tom.

“That’s enough!” snapped the angry man. “You may not realize that you are in my power, and that you’re up here in a lonely part of the woods, away from your friends. They don’t know where you are, and you don’t know where they are. They can’t help you. Those two men of mine will do as I say, and——”