it entered, and struck the wall upon the other side, killing any that came within their deadly path. During the day a new flagship, the Philadelphia, arrived from Hampton Roads, having been refitted for the use of Admiral Dahlgren, who transferred his flag to her, as she was a much more roomy vessel than the one he had been occupying. During the long day’s engagement, the cannonading from the National guns was terrific; and the shriek and scream of shells made the very air alive with turmoil, while the enemy’s fire was very feeble; Wagner, owing to the close watch kept upon her, being unable to get even an occasional shot at the Unionists, and Sumter being too thoroughly disarmed to attempt a full-voiced return to the countless thundering defiances sent to her. By way of proving that life was not entirely extinct within her, she did, however, at long intervals, hurl forth an occasional shell. * * * * * THE “SWAMP ANGEL.”—On the evening of the 18th, the enemy discovered that a battery was being constructed on the Union left, in a marsh which lay in that direction, and they immediately, from their guns on James Island, began firing upon the men who were at work there. The erection of that battery was of considerable importance, for it was nearer to Charleston than any of the others. The men stood boldly against the enemy’s fire, and bravely continued their work. One man was killed, and two wounded. From the time that the enemy first discovered this battery until the evening of the 20th, they devoted most particular attention to the work, and within that time one hundred and sixteen shells were hurled at it from the James Island batteries. Only one struck it, and there were no farther casualties than those named above. The men christened the battery in the marsh “The Swamp Angel,” from the great service it did in concentrating the enemy’s attention upon itself. * * * * *