"We must begin to think seriously of building some sort of a boat or raft, and getting away from the island," went on the millionaire. "It will be perilous to go to sea with anything we can construct, but it is risking our lives to stay here. I don't know what to do."
"Perhaps Captain Mentor has some plan," suggested Tom, hoping to change the subject.
"No," answered the commander, "I confess I am at a loss to know what to do. There is nothing with which to do anything, that is the trouble! But I did think of hoisting another signal, on this end of the island, where it might be seen if our first one wasn't. I believe I'll do that," and he moved away, to carry out his intention.
"Well, I think I'll get back, Tom, and tell the others that you are all right," spoke Mr. Hosbrook. "I left the camp, after the shock, because Mrs. Nestor was worried about you." The place to which the airship machinery had been removed "was some distance from the camp, and out of sight of the shacks.
"Oh, yes. I'm all right," said Tom. Then, with a sudden impulse, he asked:
"Do you know much about this Mr. Barcoe Jenks, Mr. Hosbrook?"
"Not a great deal," was the reply. "In fact,
