At 3 p. m., August 2, the entire line again was advanced about 600 yards, and the regiment placed in reserve in the rear of the brigade; casualties, from stray bullets, 1 man killed and 1 wounded. August 3, in compliance with orders, the regiment charged the enemy's rifle-pits, taking them, and capturing 31 prisoners. After holding them about one hour, the enemy advanced in line of battle, and retook them. At 5 p. m. the regiment, in conjunction with details from the division, took them again, capturing 25 prisoners, and held them until after dark, when it was relieved, and took its position in rear of the brigade; loss during the day, 1 man killed, 1 lieutenant