...Longstreet, who were together on a hill in rear of our lines. I was told that we were to attack the enemy's left flank, and was directed to take command of my own batallion-Cabell's batallion (with McLaws ' division), 18 guns; Henry's batallion (with Hood's), 18 guns-leaving the Washington Artillery in reserve, and to reconnoitre the ground and co-operate with the infantry in the attack. I was especi...