scattering musketry fire increased into crashing volleys; as more and more troops became engaged, the volleys developed into one continuous roar, like the roll of distant thunder.
Within a few minutes we became aware by sight, as well as by sound, that a bloody battle was in progress; a constant stream of wounded men was coming back to the field hospital in the rear. Many were but slightly wounded and still clung to their muskets as they hurried back to have their wounds dressed. They would stop on their way, for a moment, hastily to tell how they were "driving the Johnnies" in the front. Others, more seriously hurt, were being helped along by comrades; while others, still more unfortunate, lay silent on stretchers as they were borne back by ambulance men and musicians. Soon, a number of ammunition wagons which had ventured too close to the front, came dashing by us to seek shelter behind a neighboring hill. They were followed shortly after by a dismounted cannon being dragged back for repairs. Now came a temporary lull in the musketry. The thunder of the artillery increased as if in compensation; but rising above all came