Porter, C. H. Opening of the campaign of 1864.--White, H. A. Lee's wrestle with Grant in the Wilderness, 1864.--Lyman, T. Uselessness of the maps furnished to the staff of the Army of the Potomac previous to the campaign of May, 1864.--Swan, W. W. Battle of the Wilderness.--Lyman, T. Addenda to the paper by Brevet Lieutenant-Colonel Swan on the battle of the Wilderness.--Stevens, H. The Sixth corps in the Wilderness.--Peirson, C. L. The operations of the Army of the Potomac, May 7-11, 1864.--Barlow, F. C. The capture of the salient, May 12, 1864.--Grant, L. A. Review of Major-General Barlow's paper on the capture of the salient.--Driver, W. R. The capture of the salient of the Army of the Potomac, May 13-June 2, 1864.--Porter, C. H. The battle of Cold Harbor.--Ropes, J. C. Grant's campaign in Virginia in 1864.--Livermore, T. L. Grant's campaign against Lee