"That's why you clean your own gun, I suppose?"
"That's why, when there's any danger, I take as few chances as possible," he said, with the same enigmatical smile I had noticed before; and then he added with emphasis, "And that is also why I ask you to keep me company now."
Of course, the shaft went straight home, and I gave my promise without further ado.
Our preparations for the night—a couple of rugs and a flask of black coffee—were not elaborate, and we found no difficulty, about ten o'clock, in absenting ourselves from the billiard-room without attracting curiosity. Shorthouse met me by arrangement under the cedar on the back lawn, and I at once realised with vividness what a difference there is between making plans in the daytime and carrying them out in the dark. One's commonsense—at least in matters of this sort—is reduced to a minimum, and imagination with all her attendant sprites usurps the place of judgment. Two and two no longer make four—they make a mystery, and the mystery loses no time in growing into a menace. In this particular case, however, my imagination did not find wings very readily, for I knew that my companion was the most unmovable of men—an unemotional, solid block of a man who
