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ere not in positions proper for the immediate defense of the city, they were of no particular value after the removal of the forces to other positions. As soon as the army could recover from the strain of the ordeal through which it had passed, Lee turned his attention to the fortifications immediately surrounding the capital. On July 13th, he directed the Engineer Corps to prepare a system of defenses from Drewry's Bluff encircling the approaches to Manchester from the south, and, on the 31st, he directed that the construction of the outside lines north of the James be resumed. At the same time, more guns were ordered to be placed on the Drewry's Bluff defenses, as well as on the other works along the south side of the James. The works of Petersburg were strengthened also. When Lee started for the Rapidan to enter on the campaign against Pope, all the troops of the Army of Northern Virginia were withdrawn from the fortifications of Richmond, and relieved from garrison duty an