Every cadet in the room was astonished, and all leaped to their feet.

"What's up?" cried Rockley.

"They have been spying on us!" came from Jackson.

"Talk about meanness! This is the limit!" added Pender.

"I want you to leave Joe Davis and Harry Moss alone," went on Dick, as calmly as he could. "It's an outrage to get them to drink and smoke against their will."

"Are you two alone?" asked Lew Flapp, glancing nervously over the newcomers' shoulders.

"We are."

"What right had you to come here?"

"Well, we took the right."

"Then you enjoy playing the spy?"