have visited our tent last night after we went to sleep."

"When did you go to sleep, Richard?"

"Well, I don't think we were real sound asleep until about midnight.
There was some sort of a noise in the camp that kept us awake."

"Somebody said Tubbs was up playing negro minstrel," added Tom,
soberly.

"Yes, he was up. So you went to sleep about midnight? And when did you
get up?"

"At the first call," answered Sam.

"And your coats were as you had left them?"

"Mine was," came from Sam and Dick.

"I don't remember exactly how I did leave mine," said Tom. "But I
didn't notice anything unusual."

"Then, if the real thief visited our camp he must have come in between
midnight and six o'clock," went on the master of the school. "I must
question those who were on guard duty about this."

"That's the idea!" cried Dick. "If the thief sneaked in somebody must
have seen him."

"Unless a guard was asleep on his post," came from Tom. "As it was the