He suddenly looked up, his problem was still unsolved, and there was in the air that sense of the hour before the dawn, which is so dread to doubtful life. The noise of the rats had ceased. Indeed it seemed to him that it must have ceased but lately and that it was the sudden cessation which had disturbed him. The fire had fallen low, but still it threw out a deep red glow. As he looked he started in spite of his sang froid. There on the great high-backed carved oak chair by the right side of the fireplace sat an enormous rat, steadily glaring at him with baleful eyes. He made a motion to it as though to hunt it away, but it did not stir. Then he made the motion of throwing something. Still it did not stir, but showed its great white teeth angrily, and its cruel eyes shone in the lampligh