At length he was on the centre of the centre arch, an eminent position, which allowed him for a moment to keep them at bay, and gave him breathing time. Suddenly he made a desperate charge, clove the head of the leader of the band in two, and beat them back several yards; then swiftly returning to his former position, be summoned all his supernatural strength, and stamping on the mighty, but mouldering keystone, he forced it from its form, and broke the masonry of a thousand years. Amid a loud and awful shriek, horses and horsemen, and the dissolving fragments of the scene for a moment mingled as it were in airy chaos, and then plunged with a horrible plash into the fatal depths below.