"But one thing I do know," Greg went on.
"What?" asked Darry.
"Even if our strange fellow was here, he is here no longer, and moreover, he has succeeded in getting away without leaving any trace," young Holmes continued. "So I'm going to join the delegation that returns to camp."
Only Dick and Dave were left standing there by the cleft rock.
The sun had sunk below the horizon, but the light was still strong.
"If you fellows had taken it easily, as I asked," complained Dave, "we might have gotten hold of that elusive chap. To me he looked hungry. I thought he was eyeing our camp longingly, as though he'd like to stroll down and ask us for food. But that startling charge of the light brigade must have bewildered or frightened him—-and so he went up in smoke, as he has always done when we've sighted him.
"It wouldn't surprise me if we could find which way he has gone," whispered Prescott.
"What do you mean?"
"Look where I'm pointing with the toe of my boot," Dick went on.
"I'm looking."