Jenks. Mr. Damon and Mr. Parker both agreed to say nothing about the matter, and then the scientist became much interested in the Red Cloud, which he closely examined. He even complimented Tom on the skill shown in making it, and, contrary to our hero's expectation, did not predict that it would blow up the next time it was used.
"How did you happen to arrive just at this time, Mr. Damon?" asked Tom.
"It was partly due to Mr. Parker," was the answer. "I had not seen him since we were rescued from the island, until a few days ago he called on me at my home. I happened to mention that you lived near here, and suggested that he might like to see some of your inventions. He agreed, and we came over in my auto. And now, bless my liver-pin! I find you about to start off on another trip."
"And have you fully decided to go with me?" asked Tom. "There may be danger, and I don't like the way that mysterious man behaved."
"Oh, bless my revolver!" cried Mr. Damon. "I'm used to danger by this time. Of course I'm going, and so is Mr. Parker. Do you know," and the man, who was always blessing something, came closer to the lad, and whis-
