We had a heavy thunder-storm at Natchez, another at Vicksburg, and still another about fifty miles below Memphis. They had an old-fashioned energy which had long been unfamiliar to me. This third storm was accompanied by a raging wind. We tied up to the bank when we saw the tempest coming, and everybody left the pilot-house but me. The wind bent the young trees down, exposing the pale underside of the leaves; and gust after gust followed, in quick succession, thrashing the branches violently up and down, and to this side and that, and creating swift waves of alternating green and white according to the side of the leaf that was exposed, and these waves raced after each other as do their kind over a wind-tossed field of oats.