"And mine is Fulmer Robson," added the third.
The boys, in turn, quickly introduced themselves.
Presently the speaker continued, "We came out on a hunting trip, and stumbled across the cabin. Do you intend to stay here long?"
"Two or three weeks, at least," replied Bob.
"Good! Well, as I was saying, it might not be a bad plan to arrange a code of signals."
"A fine idea," commented Bob Somers. "It might come in very handy, indeed."
"We could use smoke signals," went on Piper. "You know how to make them?"
"How?" asked little Tom Clifton.
"A couple of fellows hold a blanket over the fire—then withdraw it quickly, and repeat. The smoke, of course, rises in detached clouds."
"Sure—we know all about that," interrupted John Hackett, loftily; "and firing off guns, too—two shots close together, then a single one."