short, for just then a piercing cry rang in their ears:
"Help! help! For the sake of heaven, help!"
Chet and Paul were thrilled to the heart to hear that wild, agonizing cry for assistance which rang out so clearly on the afternoon air. Plainly a human being was in distress, and needed immediate assistance.
They looked around, but for several seconds saw nothing. Then the cry rang out again, more sharply, more pitiably than ever.
"Help! help! Save me from death!"
"Do you see him?" demanded Paul, breathlessly.
"No, I do not," rejoined Chet. "But he must be near. Did not the cry come from over there?" pointing with his finger to the right.
"I believe it did. Come on!"
Paul set off on a run around the edge of the sink hole, which was all of several hundred feet in diameter. Close behind him came Chet, wondering who the man could be and how they might assist him should he be beyond their reach.
Two dozen steps brought them in sight of the sufferer. He was a young man and his general dress and appearance betokened that he was a
