began to tell me a series of the funniest stories that I have ever listened to. You cannot imagine how comical he was, and I laughed until I was quite weary, Mrs. Rucastle, however, who has evidently no sense of humor, never so much as smiled, but sat with her hands in her lap, and a sad, anxious look upon her face. After an hour or so, Mr. Rucastle suddenly remarked that it was time to commence the duties of the day, and that I might change my dress and go to little Edward in the nursery.
"Two days later this same performance was gone through under exactly similar circumstances. Again I changed my dress, again I sat in the window, and again I laughed very heartily at the funny stories of which my employer had an immense répertoire and which he told inimitably. Then he handed me a yellow-backed novel, and, moving my chair a little sideways, that my own shadow might not fall upon the page, he begged me to read aloud to him. I read for about ten minutes, beginning in the heart of a chapter, and then suddenly, in the middle of a sentence, he ordered me to cease and to change my dress.
"You can easily imagine, Mr. Holmes, how curious I became as to what the meaning of this extraordinary performance could possibly be. They were always very careful, I observed, to turn my face away from the window, so that I became consumed with the desire to see what was going on behind my back. At first it seemed to be impossible, but I soon devised a means. My hand-mirror had been broken, so a happy thought seized me, and I concealed a piece of the glass in my handkerchief. On the next occasion, in the midst of my laughter, I put my handkerchief up to my eyes, and was able with a little management to see all that there was behind me. I confess that I was disappointed. There was nothing. At least that was my first impression. At the second glance, however, I perceived that there was a man standing in the Southampton Road, a small bearded man in a gray suit, who seemed to be looking in my direction. The road is
