Page:Harry Castlemon - The Steel Horse.djvu/278

 such as I had never heard before. The high bank on the left sank out of sight; the gurgling of the stream far below became a roar; solid walls of blackness surrounded us on all sides, relieved only by that little streak of light in front; and to my inexpressible horror I discovered that we no longer had the firm road-bed beneath us. We had left it, and were rushing with almost breathless speed over a trestle-work whose height could only be guessed at. An eight-inch plank nailed to the timbers between the tracks was our pathway. It was plenty wide enough for Joe, now that he had "mended his style of riding," if the plank had only been on the ground, and he had had daylight to show him where he was going; but there was plenty of room for accident. Suppose the plank should not extend entirely across the trestle, which was so long that I began to wonder if there was any other end to it! Or what if a tire should come off? Such accidents sometimes happen to the most careful bicyclists, and when I pictured to myself Joe Wayring lying stunned and bleeding among those timbers, and in danger of