blanket. Just as he came out with the things, Sam and Phil came hurrying back, each with a look of deep concern on his face.
"The jig is up!" groaned Sam. "Plum and Poole are on to our racket, and they won't let us in!"
"Plum and Poole!" exclaimed Dave. "Are they at that back door?"
"Yes, and when we came up, they jeered us," said Phil. "Oh, but wasn't I mad! They said if we tried to force our way in, they'd ring up the doctor, or Mr. Dale."
"Does our crowd know about this?"
"I don't think they do."
"Plum and Poole intend to keep us out all night, eh?"
"It looks that way. They said we could ask Haskers to let us in when he came."
"I am not going to Haskers," said Dave, firmly. "Sam, you look after this ram for a few minutes. I'll make them let us in, and not give us away, either. Phil, you come along."
"But I don't see how you are going to do it," expostulated the big boy.
"Never mind; just come on, that's all. Plum isn't going to have a walk-over to-night."
Somewhat mystified, Phil accompanied Dave across the campus and to the rear door of the Hall. Here the barrier was open only a few inches, with
