stained, mud-discoloured linen in that hedge for an hour or so. Why? Had it anything to do with the crime? Had he picked it up on the beach when he went for his dip? Why was he so secretive about it? And why, if it was something of moment, had he not carried it straight to his own room in the house, instead of hiding it in the hedge while he evidently went back to the house and made his toilet? The circumstance was extraordinary, to say the least of it.
But on reflection I determined to hold my tongue and abide my time. For anything I knew, Mr. Cazalette might have cut one of his feet on the sharp stones on the beach, used his handkerchief to staunch the wound, thrown it away into the hedge, and then, with a touch of native parsimony, have returned to recover the discarded article. Again, he might be in possession of some clue, to which his tobacco-box investigations were ancillary—altogether, it was best to leave him alone. He was clearly deeply interested in the murder of Salter Quick, and I had gathered from his behaviour and remarks that this sort of thing—investigation of crime—had a curious fascination for him. Let him, then, go his way; something, perhaps, might come of it. One thing was very sure, and the old man had grasped it readily—this crime was no ordinary one.
As the twilight approached, making my work in the library impossible, and having no wish to go on with it by artificial light, I went out for a walk. The fascination which is invariably exercised on any of us by such affairs led me, half-unconsciously, to the scene of the murder. The tide, which had been up in the morning, was now out, though just begin-
