“Where are you? Answer me—answer at once!”

But there was no answer.

“Search, Brad!” urged Dick. “He may have been alarmed by the uproar and concealed himself. Look on the bed behind those curtains! Look under the bed! Look everywhere!”

Even as he was urging his friend to do this Dick flung open the door of a wardrobe and looked within. Then he caught up the candle and hastened into the adjoining room, looking in every nook and corner, meanwhile continuing to call to Gunn.

A few moments later the two boys met in the first room and stood face to face, staring into each other’s eyes.

“Where is he, partner?”

“Gone!” said Dick. “Brad, that was the game!”

“I don’t just rightly see how——”

“First Bunol was to be given a chance at me. If he failed, the professor was to be captured and carried off. He was in that closed carriage!”

“Sure as shooting!”