over Smith, and had to pass his door to reach my own.
"It so happened that about this time I was frequently called out at all hours of the night for the maternity cases which a fourth-year student takes at a certain period of his studies, and on returning from one of these visits at about two o'clock in the morning I was surprised to hear the sound of voices as I passed his door. A peculiar sweet odour, too, not unlike the smell of incense, penetrated into the passage.
"I went upstairs very quietly, wondering what was going on there at this hour of the morning. To my knowledge Smith never had visitors. For a moment I hesitated outside the door with one foot on the stairs. All my interest in this strange man revived, and my curiosity rose to a point not far from action. At last I might learn something of the habits of this lover of the night and the darkness.
"The sound of voices was plainly audible, Smith's predominating so much that I never could catch more than points of sound from the other, penetrating now and then the steady stream of his voice. Not a single word reached me, at least, not a word that I could understand, though the voice was
