Suddenly one of the men stood up, dealt the revolutionist who held the box a blow that sent him overboard, and as he fell, the man dealing the blow caught the box in his own hands. Then he yelled out something in his own tongue.

“What is he saying?” asked Ned, eagerly.

“Quiet, just a moment,” cautioned Mr. Kennedy, who was listening intently.

The man screamed something at those in the pursuing boat, and shook one fist at them. Then, with a sudden motion, he tossed the box into the water. It sank instantly, and groans of disappointment came from Ned and Frank. The evidence that possibly would clear their uncle, and restore their fortunes, seemed lost forever.

“What did he say?” asked Frank.

“He said that all the documents referring to the revolution would rest on the bottom of the bay,” translated Mr. Kennedy. “He defied us, saying that though the revolution was checked it was not over, and that no punishment could be given Bernardo and his friends, because the necessary papers would never fall into our hands.”

“Did he say anything about Uncle Phil?” asked Ned.

“I don’t believe he knows him, though Bernardo does, and he may suspect you are his nephews,” answered the coffee merchant.

“Come on!” yelled Frank. “They may have destroyed the documentary evidence, but we’ll get them and make them testify in person! We’ll be up to them in another minute. Get your gun ready, Ned!”

But alas for their hopes! Their motor suddenly “went dead.” They lost headway, and the other boat drew swiftly away, while the revolutionist who had been knocked overboard was seen swimming toward the stalled craft.