For, proud and self-possessed, the cat had again risen to his feet, and having advanced to the door, was now ushering someone slowly into the room. Nothing could have been more evident. He paced from side to side, bowing his little head with great empressement and holding his stiffened tail aloft like a flagstaff. He turned this way and that, mincing to and fro, and showing signs of supreme satisfaction. He was in his element. He welcomed the intrusion, and apparently reckoned that his companions, the doctor and the dog, would welcome it likewise.

The Intruder had returned for a second attack.

Dr. Silence moved slowly backwards and took up his position on the hearthrug, keying himself up to a condition of concentrated attention.