...trict">done. Colonel Keyes soon vanished with his four regiments, and the Second brigade was left isolated at the edge of the battle-ground. Its best protection then was furnished by the 32-pound Parrott rifled cannon, which some rods to the right, among the brushwood, was raking the road far ahead, and plunging shell among the strongholds which the enemy still maintained. At half-past 12 o'clock...