Page:The Poison Belt - Conan Doyle, 1913.djvu/72

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The Tide of Death
49

our experience to show signs of any emotion. As I sat alone at my breakfast—Mrs. Challenger is in the habit of keeping her room of a morning—it suddenly entered my head that it would be entertaining and instructive to see whether I could find any limits to this woman's imperturbability. I devised a simple but effective experiment. Having upset a small vase of flowers which stood in the centre of the cloth, I rang the bell and slipped under the table. She entered, and, seeing the room empty, imagined that I had withdrawn to the study. As I had expected, she approached and leaned over the table to replace the vase. I had a vision of a cotton stocking and an elastic-sided boot. Protruding my head, I sank my teeth into the calf of her leg. The experiment was successful beyond belief. For some moments she stood paralysed, staring down at my head. Then with a shriek she tore herself free and rushed from the room. I pursued