as the janitor looked toward him. Somehow the principal was beginning to doubt Bert's guilt now.
From the office window Bert watched the janitor hail the aged man, who paused for a minute, and then, tying his team, came on toward the school. Bert's heart was lighter now. He was sure the old gentleman would bear out what he had said, and Bert felt he would be glad to do him a good turn in part payment for what Bert and his chums had done in catching the runaways.
"Mr, Carford," began Mr. Tetlow, who knew the aged man slightly, "there has been trouble here, and Bert Bobbsey thinks perhaps you can help clear it up. So I have asked you to step in for a moment." Then he told about the big snowball, and mentioned how he had come to suspect Bert.
"But Bert tells me," went on Mr. Tetlow, "that you saw him lending his knife to Jimmie Belton last night. May I ask you, is that so?"
"Why, yes, it is," said the aged man slowly. "I'll tell you how it was." He
