"Where did you get that?" demanded the youth.

"Never mind where I got it. Isn't it yours?"

"Yes."

"Ha! Do you hear that, Doctor Wallington?" cried Abner Sharp in triumph. "He admits the outfit is his!"

"So I see," said the president of Brill, and if anything his face grew a trifle more stern. "Then you admit your guilt, Rover?" he questioned.

"What! That I defaced the photograph?"

"Yes."

"No, sir! Didn't I say I had never seen the picture before?"

"This photograph was in Professor Sharp's room, on the mantel. The room was locked up, and the professor carried the key. This box was found on the table, beside some books. You had some difficulty with the professor a day or two ago in the classroom."

"I didn't touch the picture, and I haven't been near Professor Sharp's room," answered Tom stoutly. "If I was there, would I be fool enough to leave that box behind, with my name engraved on it? And if the door was locked how would I get in?"