After ascertaining the position of the enemy, Gen. McDowell ordered forward three divisions, commanded by Heintzelman, Hunter and Tyler, Miles being left in reserve at Centerville. Sunday morning before dawn, those three divisions moved forward, presenting a magnificent spectacle, as column after column wound its way over the green hills and through the hazy valleys, with the soft moonlight falling on the long lines of shining steel. Not a drum or bugle was heard during the march, and the deep silence was only broken by the rumbling of artillery, the muffled tread of infantry, or the low hum of thousands of subdued voices. The divisions separated where three roads branch off toward Bull Run, each taking the road leading to its respective position. Soon the morning broke bright and clear, bringing the two contending armies in plain sight of each other. The enemy was posted on heights that rose in regular slopes from the shore crowned here and there by earthworks. The woods that interfered with his cannon ranges had all been cut away, and his guns had a clean sweep of every approach. On our side the descent was more gradual, and covered with a dense forest. The roar of artillery soon announced that the battle had actually commenced. Mrs. B. and myself took our position on the field, according to orders, in connection with Gen. Heintzelman's division, having delivered our horses to Jack for safe keeping, with strict orders to remain where he was, for we might require them at any moment. I imagine now, I see Mrs. B., as she stood there, looking as brave as possible, with her narrow brimmed leghorn hat, black cloth riding habit, shortened to walking length by the use of a page, a silver-mounted seven-shooter in her belt, a canteen of water swung over one shoulder and a flask of brandy over the other, and a haversack with provision, lint, bandages, adhesive plaster, etc. hanging by her side. She was tall and slender, with dark brown hair, pale face, and blue eyes. Chaplain B. sat upon his horse looking as solemn as if standing face to face with the angel of death. The first man I saw killed was a gunner belonging to Col. R.'s command. A shell had burst in the midst of the battery, killing one and wounding three men and two horses. Mr. B. jumped from his horse, hitched it to a tree, and ran forward to the battery; Mrs. B. and I following his example as fast as we could. I stooped over one of the wounded, who lay upon his face weltering in his blood; I raised his head, and who should it be but Willie L. He was mortally wounded in the breast, and the tide of life was fast ebbing away; the stretchers were soon brought, and he was carried from the field.