He took up the glass and peered into it.

"Hum!" he mused. "I thought I put them in there—in fact, I was sure of it!" he murmured.

He set the glass down and commenced to look around, on the bureau, on his bookcase, on the shelf, and even on the chairs. But, of course, nothing in the shape of the set of teeth came to light.

"This is queer, mighty queer," said the teacher to himself. "Now, let me think what I did with them. Yes, I put them in the glass, I am positive of it!"

He examined the glass once more, turning it around and around. Then he commenced a systematic search of the room. At the conclusion something like a groan escaped his lips.

"They are gone! gone!" he murmured hollowly. "And I left the old set at the dentist's to be made over! Oh, what shall I do? I cannot go to the classroom without my teeth, the cadets would roar at me! It must be a trick, a wicked trick! Oh, if only I could find out who did this awful thing!"

He made another hunt, and then, not knowing what else to do, opened his door and hailed a passing cadet.

"Kindly ask Captain Putnam to step here as soon as he can," he mumbled.

"Yes, sir," answered the cadet, and looked curiously at the teacher. "Got a toothache, Mr. Crabtree?"

"No, I have no toothache," mumbled the teacher. "Send Captain Putnam as soon as you can," and then he dove back into his bedroom.