"Of the movements of our troops occasioned by this second impudent foray it is unnecessary to say any thing. The Central train reached this city at eight o'clock, three hours behind its usual time." It is evident that we are greatly embarrassing the Rebel travelling public by our raids, destroying public property, capturing prisoners and horses, and gaining some valuable information. We have learned from contrabands and other sources that Rebel forces in considerable numbers are being transported westward over this route. Some grand movements are undoubtedly on foot. We have received word that on the fourteenth General John P. Hatch, with all his cavalry, was ordered by General Banks to proceed at once upon Gordonsville, capture the place and destroy all the railroads that centre there, but especially to make havoc of the Central road, as far east as possible, and west to Charlottesville. For some reason General Hatch was too slow in his movements, and General Ewell, with a division of Lee's army, reached the place on the sixteenth, one day ahead of Hatch. Thereupon Hatch was ordered to take from fifteen hundred to two thousand picked men, well mounted, and to hasten from Madison Court House, over the Blue Ridge, and destroy the railroad westward to Staunton. He commenced the movement; but after passing through the narrow defiles of the mountains at Swift Run Gap, he felt that there was no hope of accomplishing any thing, and returned. General Pope immediately relieved him from command, and appointed General John Buford, General Banks' chief of artillery, in his place. After some months had elapsed, the following correspondence between General Hatch and his former command will partly vindicate, if it does not fully justify, his course: SECOND CAVALRY BRIGADE, THIRD ARMY CORPS, Near Fort Scott, Va., ---- 1862. _To Brigadier-General John P. Hatch_: GENERAL: The accompanying sabre is presented to you by the officers of the First Vermont and Fifth New York Cavalry. We have served under you while you commanded the cavalry in Virginia--a period of active operations and military enterprise--during which your courage and judgment inspired us with confidence, while your zeal and integrity have left us an example easier to be admired than imitated. We, who have passed with you beyond the Rapidan and through Swift Run Gap, are best able to recognize your qualities as a commander. Accept, therefore, General, this testimonial of esteem offered long after we were removed from your command,--when the external glitter of an ordinary man ceases to affect the mind, but when real worth begins to be appreciated. On behalf of the officers of the Fifth New York, ROBERT JOHNSTONE, _Lieutenant-Colonel, Fifth New York Cavalry_. _To the Officers of the Fifth New York and First Vermont Regiments of Cavalry_: