“Be careful,” warned the man in uniform. “Whatever you say may be used against you.”

“Why—why?” stammered Joe. “What’s it all about?”

“An infernal machine!” exclaimed the hotel clerk. “How dare you poke one out of the window, right toward one of our largest banks, and go out, leaving the mechanism clicking? How dare you?”

Joe and Blake staggered back, half amused and half alarmed at the strange charge.


CHAPTER XII

ON A LONG VOYAGE

“This is a serious charge,” went on the man in uniform, who was evidently from the police department. “We have had some dynamiting outrages here, and we don’t want any more.”

“Dynamite!” exclaimed the hotel clerk; “do you think it could be that, officer?”