...nemy's taking him in flank and rear. Finding that the fog was becoming so dense that the troops on the northern point of the mountain could not see the enemy moving upon Walthall, I gave orders for Pettus , with my only disposable force, to move down and report to Brigadier-General Jackson. He started at 12 1/2 o'clock, and reached the scene of action a little past one (1) o'clock, relieving Walthall...