Frank paused in disappointment.

“Phwat, sor?” asked Barney, pointedly.

“How can we do that?”

“An’ phwy not, sor?”

“Somebody must stay with the air-ship.”

Barney’s face fell.

He had not thought of this.

“Shure, sor, the wan av us can go.”

“That is true!” agreed Frank, “but it is an unfortunate splitting up of our numbers. Let me see. I think you had better stay with the Kite, Barney. Keep a good outlook for foes.”

Barney nodded his head.