one of absolute command. He looked steadily round the room and then his voice began to vibrate. At first in a low tone, it gradually rose till it assumed the same volume and intensity I had heard that night when he called up the stairs into my room.
"It was a curiously increasing sound, more like the swelling of an instrument than a human voice; and as it grew in power and filled the room, I became aware that a great change was being effected slowly and surely. The confusion of noise and rushings of air fell into the roll of long, steady vibrations not unlike those caused by the deeper pedals of an organ. The movements in the air became less violent, then grew decidedly weaker, and finally ceased altogether. The whisperings and sighings became fainter and fainter, till at last I could not hear them at all; and, strangest of all, the light emitted by the circle, as well as by the designs round it, increased to a steady glow, casting their radiance upwards with the weirdest possible effect upon his features. Slowly, by the power of his voice, behind which lay undoubtedly a genuine knowledge of the occult manipulation of sound, this man dominated the forces that had escaped from their proper sphere,
