Trapped by Malays

"Oh, bother!" The utterer of these two impatient words threw down a sheet of notepaper from which he had been reading, carefully smoothed out the folds to make it flat, and then, balancing it upon one finger as he sat back in a cane chair with his heels upon the table, gave the paper a flip with his nail and sent it skimming out of the window of his military quarters at Campong Dang, the station on the Ruah River, far up the west coast of the Malay Peninsula.