Once more out in the lighted and frequented main streets, my thoughts were free to turn over this extraordinary experience. But I did not allow them to divert me from a very careful look-out. All my scepticism was gone now. I realized that Thorndyke had not been making mere vague guesses, but that he had clearly foreseen that something of this kind would probably happen. That was, to me, the most perplexing feature of this incomprehensible affair. I turned it over in my mind again and again, and could make nothing of it. I could see no adequate reason why this man should want to make away with me. True, I was Marion’s protector; but that—even if he were aware of it—did not seem an adequate reason. Indeed, I could not see why he was seeking to make away with her—nor, even, was it clear to

