At noon on the 18th, Bonham at Mitchell's ford and Longstreet at Blackburn's ford, were attacked with infantry and artillery, and both attacks were repulsed. General McDowell was engaged on the 19th and 20th in reconnoitering the Confederate position, and made no decided indication of his ultimate purpose. The delay was golden for the Confederates. Important reinforcements arrived on the 20th and on the morning of the 21st, which were chiefly to fight and win the battle, while the main body of Beauregard's army held the line of Bull run. General Holmes, from the lower Potomac, came with over 1,200 infantry, six guns and a fine company of cavalry; Colonel Hampton, with the infantry of his legion, 600 strong, and the Thirteenth Mississippi; Gen. Joseph E. Johnston, from the Shenandoah, with Jackson's, Bee's and Bartow's brigades, 300 of Stuart's cavalry and two batteries, Imboden's and Pendleton's.
The reinforcements were put in line in rear of the troops already in position, Bee and Bartow behind Longstreet, covering McLean's and Blackburn's fords, with Barksdale's Thirteenth Mississippi; Jackson in rear of Bonham, covering Mitchell's ford; and Cocke's brigade, covering the fords further to the left, was strengthened and supported by a regiment of infantry and six guns, and Hampton was stationed at the Lewis house. Walton's and Pendleton's batteries were placed in reserve in rear of Bonham and Bee. Thus strengthened, the army of General Beauregard numbered about 30,000 effectives, with fifty-five guns.
General Beauregard had planned an attack on Mc-Dowell's left, which was to be executed on the 21st; but