What could it all mean? Had there been foul play? And if so, had Thorold had a hand in it? I could not think this possible. And yet what other construction could I possibly place upon what I had just witnessed?

I did not know what to think, much less had I any idea of what I ought now to do. And then, all at once, an inspiration came to me.

I took several long breaths. Then, setting my voice at a low, unnatural pitch, I gave vent to a deep, long-drawn-out wail, gradually raising my voice until it ended in a weird shriek.

The stillness below became intense. I paused for perhaps half-a-minute. Then I slowly repeated the wail, ending this time in a kind of unearthly yell.

I knew I had achieved my purpose—knew that the men below were terrified, panic-stricken. I could picture them kneeling beside the shrivelled corpse, literally petrified by horror, their eyes starting from their sockets, their faces bloodless.

Then I walked with measured tread about the floor, the dull “plunk plunk” of my rubber soles sounding, in the depth of the night, and in the stillness of that unoccupied house—ghostly even to me. Next I began to push the furniture about, and a moment later I slammed the door.

There was a wild, a frantic stampede. Both men had sprung to their feet and were dashing headlong down the stairs. I pursued them in the darkness! They heard the quick patter of my rubber shoes upon the stairs behind them, and it seemed to give them wings. Furniture was knocked spinning in the darkness. A terrific crash echoed through the house as, in their blind rush, they hurled on to the stone floor of the hall a big china vase the height of a man which had stood upon a pedestal. A door slammed. Then another, more faintly, a long way down some corridor.

Then once more all was still.

Chuckling at the grim humour of the situation, I went slowly up the stairs again. There was still a light in the first-floor room. I pushed the door open and walked boldly in.

I halted, surprise had petrified me.