words of more than three syllables. Having made up his mind to commit suicide, Kipson naturally intended to do it before he reached Brewster, because tickets are again examined at that point. When the train began to stop at the signal near Pegram, he came to the false conclusion that it was stopping at Brewster. The fact that the shot was not heard is accounted for by the screech of the air-brake, added to the noise of the train. Probably the whistle was also sounding at the same moment. The train being a fast express would stop as near the signal as possible. The air-brake will stop a train in twice its own length. Call it three times in this case. Very well. At three times the length of this train from the signal-post towards London, deducting half the length of the train, as this carriage is in the middle, you will find the pistol.'
'Wonderful!' I exclaimed.
'Commonplace,' he murmured.
At this moment the whistle sounded shrilly, and we felt the grind of the air-brakes.