"Compass tells us that, Jack," laughed Bob. "Don't worry yourself. By to-morrow we may sight it. Time's up, fellows!"
"Whoop!" cried Tim, suddenly springing to his feet. "Great Scott!" He stopped short, and bent forward, a hand to his ear, listening intently. "Did you hear that, fellows?"
The report of a gun had echoed faintly.
There was a murmur of surprise and interest.
Tim thrust his hands deep in his trousers pockets, drew a long breath and stared blankly at the others.
"Can you believe it?" he said, softly.
Crack!
For a second time, the silence of the wilderness was broken.
All the boys were now on their feet, eagerly trying to locate the direction from which the sound had come. But opinions hopelessly disagreed.
"Jehoshaphat!" howled Dick, after a moment's tense silence. "That shows how much Jacky knows—and he thinking that we had this corner of the earth all to our little selves. Whoop!"