yacht Resolute was a Mr. Barcoe Jenks, who now, most unexpectedly, had confronted Tom through the glass window of the jewelry store. Mr. Jenks was a peculiar man. Tom discovered this on Earthquake Island. Mr. Jenks carried with him some stones which he said were diamonds. He asserted that he had made them, but Tom did not know whether or not to believe this.
When it seemed that the castaways would not be saved Mr. Jenks offered Tom a large sum in these same diamonds for some plan whereby he might escape the earthquakes. Mr. Jenks said there was a certain secret in connection with the manufactured diamonds that he had to solve—that he had been defrauded of his rights—and that a certain Phantom Mountain figured in it. But Tom, at that time, paid little attention to Mr. Jenks' talk. The time was to come, however, when he would attach much importance to it.
When this story opens, Tom was more interested in Mr. Barcoe Jenks than in any one else, and was wondering what he wanted to see him about. The young inventor could not quite understand how Mr. Track, the jeweler, could come back with a lad he suspected of being a thief, when the person who had acted so sus-
