"Jones, go to Tassh's room and tell him to come instantly," ordered the baronet, as a young under-footman entered. "Stay: perhaps, Mr Polglaze, you would like to accompany Jones?"

Two minutes later the detective returned.

"He's in his room, sir, but he's locked himself in," announced Polglaze. "I demanded admittance three times, but before I burst open the door I thought I would tell you, Sir Silas."

"Do you think Tassh has done himself an injury?" asked the baronet, anxiously.

"Judging by the man's appearance I should say not. He may have slipped off. Station two of your Scouts outside his window, Mr Buckley, if you don't mind."

The under-footman pointed out the window to Baker and Mayne, and returned with the intelligence that it was closed. Since the window was fifteen feet from the ground, and had a very narrow sill, it was most unlikely that Tassh could have made good his escape and at the same time closed the window after him.

Outside, in the corridor, Sir Silas, the detective, the Scoutmaster and the remaining Scouts halted. Polglaze knelt down and attempted to peep through the keyhole. The key was in the lock and effectually thwarted the detective's action.

"Does Tassh carry firearms, sir?" he asked.

"Not to my knowledge."

"Then it is possible that he is armed. If he is desperate we may have a lively reception. Suppose, Sir Silas, we tell these lads to go downstairs out of danger? We will then wait till Coombes and Gregory arrive, force the door and rush our man."