Read it through once

The two bodies of troops exchanged blows in the manner of a pair of boxers. The fast angry firings went back and forth. The men in blue were intent with the despair of their circumstances and they seized upon the revenge to be had at close range. Their thunder swelled loud and valiant. Their curving front bristled with flashes and the place resounded with the clangor of their ramrods. The youth ducked and dodged for a time and achieved a few unsatisfactory views of the enemy. There appeared to be many of them and they were replying swiftly. They seemed moving toward the blue regiment, step by step. He seated himself gloomily on the ground with his flag between his knees.