"How much of that oil of anise did you use to attract those bears?" he demanded sharply.

Chunky flushed to the roots of his hair.

"Why—I—I—"

"Where is the bottle?"

"I—I threw it away."

"You used all the oil?"

Stacy nodded, with eyes averted.

The boys were beginning to understand. All were grinning.

"So that was one of your tricks, eh?" asked Tad. "Well, it certainly succeeded."

"What were you trying to do?" insisted the guide. He too was now smiling.