On the 26th of January, 1863, the command of the Army of the Potomac was transferred from General Burnside to General Hooker. On the same day, Generals Sumner and Franklin were removed from the command of the right and left divisions of the army. At this period the extreme cold rendered it impossible for any movement to be made either by the Army of the Potomac or by its opponent, at Fredericksburg. Occasional rebel raids, and cavalry movements were the only operations taking place on either side. The cavalry of the enemy made a raid, marked with considerable success, as far inside the Union lines as Fairfax Court-House, in Virginia. This occurred about March 12th, and the rebels carried off Brigadier-General Stoughton, whom they surprised in bed, besides capturing a detachment from his brigade, with horses and other property. Five days later, a sharp fight took place between a body of cavalry, under General Averill, and a force of the enemy’s cavalry, near Kelly’s ford. Nothing more of special interest transpired until April 13th, when an expedition of cavalry, artillery and infantry, from the Federal army proceeded in detachments to Bealton, Warrenton, Rappahannock, and Liberty, with Major-General Stoneman in command. Thence, General Stoneman moved to the Rapidan fords, and took possession of them; these operations being in advance of a grand movement to cross the Rappahannock, and attack General Lee on the opposite side. GENERAL STONEMAN’S CAVALRY RAID. MAY 1, 1863. The storms which ensued prevented active movements by General Stoneman until the 29th of April. On that day he crossed at Kelly’s Ford. The division of General Averill moved to the Orange and Alexandria railroad, and encountered two regiments of the enemy, who retired towards Gordonsville. Thence he proceeded to Culpeper, and dispersed a force of the rebels there, capturing their rear guard, and seizing a large amount of flour, salt, and bacon. The enemy were pursued by way of Cedar Mountain toward the Rapidan. Here he received a dispatch from General Stoneman, desiring him to push the enemy as vigorously as possible, and keep him occupied. On the 1st, scouting parties were sent up and down on both sides of the Rapidan. On the 2d, orders were received by him to join General Hooker at United States Ford, at once.