The next morning was one of the most glorious that I remember in that whole summer. I rose early, throwing the windows wide open while I dressed to let in the full blaze of sunshine, and set myself, while the morning common-sense mood was still upon me, to go over carefully in my mind every detail of Lessing's story. Somewhere there must be a natural explanation; it was only the question of finding it. Among other things it occurred to me that someone, for reasons unknown, might be playing a series of practical jokes upon him, but it was difficult to credit a hoax of such malignant and serious intent, and even assuming for a moment that Lessing was the victim of any such plot, it did not explain those mysterious deaths which, I felt more and more convinced, were in some way connected with his own experiences. It was at least certain that I was in for a fairly interesting vacation. I remembered with grim humour Lennox's assurance that I would find the practice a quiet one; opinions might well differ on that point. Even if Lennox came back at the time agreed upon, I had still another six weeks before me, and in six weeks a good deal might happen. It would be my own fault if I did not get some part of the mystery cleared up before then. Everyone has his own private specific for clearing the mind. Mine was fishing. After breakfast I hunted out my tackle, asked Mrs. Searle to pack me a lunch, and set out resolutely, with the determination to remain in the open air until nightfall. Part of the creek that lay behind the house I had already explored, and this morning I decided to work upstream, in the direction of the dam. The air was clear and fresh and the woods were alive with birds. Here and there the sumach and poison ivy were already beginning to turn colour, showing patches of tawny scarlet against the green of the undergrowth. Great painted butterflies flitted across my path, and once, as I sat quietly on a boulder in midstream, a kingfisher flashed near me in the broken sunlight. The creek ran with a pleasant sound in its bed, now swirling between great boulders, now trickling over shallows of waving bronze-tinted weed, here and there forming deep pools, outside the stress of the current, where one might catch a glimpse of shadowy forms moving through the gold-brown sun-shot water. I made desultory casts, taking more interest in the morning and in my surroundings than in the actual pursuit upon which I was engaged. Out here under the trees, with the music of the stream in one's ear, it was impossible to feel anything but sane and healthy.