I turned once to look back as we clambered over the low stone wall built by the late owner, and saw his straight, soldierly figure standing in the sunlit field watching us with a curiously intent look on his face. There was something to me incongruous, yet distinctly pathetic, in the man’s efforts to meet all farfetched explanations of the mystery with contempt, and at the same time in his stolid, unswerving investigation of it all. He nodded at me and made a gesture of farewell with his hand. That picture of him, standing in the sunshine with his big dogs, steadily watching us, remains with me to this day.

Dr. Silence led the way in among the twisted trunks, planted closely together in serried ranks, and I followed sharp at his heels. The moment we were out of sight he turned and put down his gun against the roots of a big tree, and I did likewise.

“We shall hardly want these cumbersome weapons of murder,” he observed, with a passing smile.