"Not now," he said. "Wait until all other plans have been tried."
"We have other work to do at this time, anyway," Fenton said, with a scowl, "so we'll just lock the door on these young gutter-snipes and leave them to think the matter over!"
The men passed out of the small cavern, but before they left the outer one, they rolled a great stone into the opening they had just passed through and blocked it firmly on the outer side.
Chapter XVII
THE MORSE CODE
"And this," said Sandy, as the great stone began to render the atmosphere of the place close and unpleasant, "is what I call a fine little Boy Scout excursion! Did they leave one of the searchlights?"
"Not intentionally," replied George, "but I swiped one!"
"Well, we mustn't show a light until they get some distance away!" advised Sandy. "We don't want them to know that we have it."
"And we'll need it badly," George suggested, "if we're to give Bert any attention! I wonder if the poor boy has had any care since he's been here! It doesn't seem to me that they would be heartless enough to leave him here in an unconscious condition very long!"