Chapter 12

They had closed the double doors leading to the hall, on the arrival of Doctor Leonard, and now the knob of one of them was slowly and noiselessly turning round. A glance of recognition passed between them, but neither spoke or moved. A moment later, the knob having turned completely round, the door began to open very slowly. Owing to the position of the two men, it was necessary for the door to be opened far enough to admit the intruder’s head before they could be seen, and the doctors waited breathlessly to see w…