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THE SIGN OF FOUR.

was selected to take charge during certain hours of the night of a small isolated door upon the south-west side of the building. Two Sikh troopers were placed under my command, and I was instructed if anything went wrong to fire my musket, when I might rely upon help coming at once from the central guard. As the guard was a good two hundred paces away, however, and as the space between was cut up into a labyrinth of passages and corridors, I had great doubts as to whether they could arrive in time to be of any use in case of an actual attack.

'Well, I was pretty proud at having this small command given me, since I was a raw recruit, and a game-legged one at that. For two nights I kept the watch with my Punjaubees. They were tall, fierce-looking chaps, Mahomet Singh and Abdullah Khan by name, both old fighting men, who had