“Not likely but certain; therefore the message must be of a nature that will not rouse suspicion on their part.”
Harvey could not forbear asking an explanation at this point.
“You said that if your visit to the cabin had been made by daylight, you would have gone farther. Why not do so in the morning?”
“I should if time permitted. You understand that without your aid I should have to make a hunt through the woods. This would not only consume time but would surely be discovered by some of the gang on the lookout. That is why I have refrained and waited for an opportunity to present itself. When you locate the exact spot—and I am sure you will do so—I can go straight to it.”
“Will you not be watched?”
“Quite likely, but I can push on in spite of that. Let us get back to the important point of how you are to let me know of your success. The simplest thing is—I’m blessed if I know,” said the detective, after slight hesitation, with a laugh; “help me out.”
That which at first seemed an insignificant matter threatened to become insurmountable. Pendar’s first suggestion was that when Harvey made his discovery he should swing his cap over his head, but such a signal would be instantly noticed by the kidnappers, who would accept it as a menace.
“Suppose I tell Bunk to swoop downward as if about to make a landing.”
“That would be fully as bad, for the scoundrels would think it was meant to gain a clearer view of them.”
“If we sail upward?”