First began an artillery duel. The sound of guns on his side of Bull Run told Johnston that the Federals had crossed the stream and had attacked his left. He hurried General Bee with four regiments and two companies to the support of Evans, already sorely pressed. Next Heintzelman, having now safely crossed the stream, came at the double-quick with a regiment to the assistance of Hunter, and joining forces, bore down upon the Southern lines. The front of battle at once changed from Bull Run stream to what had been the Confederates’ left. And now began the battle proper. The men who, a few hours before had refused discipline and disregarded orders from whatever quarter given, at last, within shot of the enemy, faced the situation seriously and fought well. With now the advantage of position and numbers, the men from the North drove the Southerners steadily down the hill, the Confederates fighting every inch of the way with that fiery courage that distinguished them all through the war. Every fence, house, and wood, every hillock, every stone on the way, every hollow and every ditch, was made a standing-place by the South, and tenaciously held to as long as mortal could endure the hail of bullets and crash of cannon-ball. But the Federals fought splendidly, and carried position after position with the courage and dash of veterans. McDowell, coming upon the scene of action at this point, hurried word to Tyler to press his attack upon the stone bridge. This Tyler did not do, but instead, fording Bull Run a short distance above the bridge, came upon the rear of the defenders and swept them away from their stronghold. Then, marching towards the sound of the fighting, he safely joined his commander-in-chief. At noon McDowell had the satisfaction of knowing that not a hitch had taken place in his plans. The bridge had been cleared, the Confederates’ left turned, and his men had driven the enemy down the hillside, over a creek, across the valley, and up into a wood. The morning’s work was all the North could desire. Everything pointed to a Northern victory, full and complete.