“You’ll do nothing of the sort,” countermanded Dawson, as a dozen or so of the boys started off to get their skates. “It’s up to you boys to find Tony, while the rest of us are holding our consultation.”

“But what’s old Tony got to do with it?” chorused several of the group.

“Everything, seeing that it is he who told Princy the Pi Etas were in the laboratory,” returned Longback, dryly.

“But there isn’t one of us Tony wouldn’t recognize—except, of course, Watson.”

“That’s it, exactly,” asserted Dawson.

“Can Watson prove an alibi?” demanded a voice from the outside of the crowd which had been constantly increasing, as the word had passed around that the delegates had concluded their interview with the principal of the Rivertown High School.

“Who said that?” demanded Jerry, indignantly.

No one, however, made any response.

“I’ll wager the fellow who said that thing is the one who broke the apparatus,” declared Paul.

“Of course, I——” began Harry.