"Why, Tom, what's the matter?" asked Mr. Swift in some surprise.
"How soon before we can finish our submarine?" went on Tom, not answering the question.
"About a month. Why?"
"Why? Dad, why can't we have a try for that treasure? It ought to be comparatively easy to find that sunken ship off the coast of Uruguay. In our submarine we can get close up to it, and in the new diving suits you invented we can get at that gold bullion. Three hundred thousand dollars! Think of it, dad! Three hundred thousand dollars! We could easily claim all of it, since the owners have abandoned it, but we would be satisfied with half. Let's hurry up, finish the submarine, and have a try for it."
"But, Tom, you forget that I am to enter my new ship in the trials for the prize offered by the United States Government."
"How much is the prize if you win it?" asked Tom.
"Fifty thousand dollars."
"Well, here's a chance to make three times that much at least, and maybe more. Dad, let the Government prize go, and try for the treasure. Will you?"
Tom looked eagerly at his father, his eyes shin-
