"Confusion!"

"Yes; but he cannot get far."

"Why not?"

"That window opens on to a roof."

"Yes."

"The roof was once an extension, but now it is blocked in on all sides by the high walls of abandoned sail lofts."

"Then if he did get up there, he is a prisoner?"

"Without doubt."

"Good." The midshipman's face was flushed with malicious triumph. "He can't escape us this time. Saki, somebody, help me up, quick. This time he'll not get away. One Dreadnought Boy is at the bottom of the Sound. In a few minutes the other will be our prisoner."