"The name's been painted out!"
The agent looked round despairingly and caught Colin's look of sympathy.
"The slippery Oriental again!" the boy said.
"Not quite slippery enough this time, though," said Hank in a voice which betrayed a discovery.
"What do you mean?" asked the agent.
"Uncle Sam's gettin' into the game," he answered, pointing out to sea.
"The revenue cutter?"
"Hm, hm," grunted the whaler in assent, "I reckon I can see her lights."
No one else could see anything in the fog and
darkness, but a minute or two later there came a flash, followed by a dull "boom."