"The bugs?" questioned the professor.

Chunky nodded. Tad eyed the fat boy suspiciously.

"Look here, what have you got up your sleeve, Stacy?" he demanded.

"Nothing, I hope. But some of the fellows did."

"Did what?" cut in Rector.

"Did have."

"Did have what?" urged Walter. "A fellow has to have a map to follow you."

"Did have something up their sleeves."

"What was it you think they had up their sleeves?" asked Tad, eyeing the fat boy with growing suspicion.

"Oh, I don't know. Maybe it was insects."