A little later there sounded down in the engine room of the Georgetown the signal from the bridge of, “full speed ahead!”

“Are we going to chase her?” asked Ned.

“It looks that way,” said his brother.

From the funnels of the battleship belched clouds of black smoke.

CHAPTER XVIII—BIG GUNS BOOM

“What’s the idea of taking after that craft, I wonder?” remarked Ned, when it became certain that the chase was on.

“Give it up,” answered Frank, “unless the old man wants to throw a scare into those revolutionists.”

“I guess that’s it,” chuckled Tom Dawson. “We’ll take their navy away from ’em, and then they can’t do anything.”

“They couldn’t do anything anyhow, with that dinky little craft against the Georgetown,” boasted Hank Dell.

“Don’t you fool yourself, son, and let that idea get away with you,” came from an older blue-jacket. “A little craft like that may have a torpedo tube or two concealed about her, and if she lets a Whitehead go at us, and it hits——good-night! as the boys say.”