was learned later, greatly chagrined at finding the wreck valueless. They tried to make trouble for Tom and his father, but were not successful.
A few days after arriving at the seacoast cottage, Tom, his father and Mr. Damon went to Shopton in the airship. Captain Weston, Garret Jackson and Mr. Sharp remained behind in charge of the submarine. It was decided that the Swifts would keep the craft and not sell it to the Governmen, as Tom said they might want to go after more treasure some day.
"I must first deposit this gold," said Mr. Swift as the airship landed in front of the shed at his home. "It won't do to keep it in the house over night, even if the Happy Harry gang is in jail."
Tom helped him take it to the bank. As they were making perhaps the largest single deposit ever put in the institution, Ned Newton came out.
"Well, Tom," he cried to his chum, "it seems that you are never going to stop doing things. You've conquered the air, the earth and the water."
"What have you been doing while I've been under water, Ned?" asked the young inventor.
"Oh, the same old thing. Running errands and doing all sorts of work in the bank."
Tom had a sudden idea. He whispered to his father and Mr. Swift nodded. A little later he