of the enemy were no doubt very great, and he must be proportionately crippled. My headquarters will be here to-night, and to-morrow I expect to be at Frederick. My cavalry have been attacking the enemy on both flanks, inflicting as much injury as possible.

GEO. G. MEADE,

Major-General.

HEADQUARTERS ARMY OF THE POTOMAC,
July 6, 1863-8 p. m.

(Received July 7, 1. 30 a. m.)

General HALLECK:

I shall be very glad to have the four regiments from North Carolina, now at Baltimore, which you propose to add to General French's command. They should be put in marching order, with shelter tents.

GEO. G. MEADE,

Major-General, Commanding.

WASHINGTON, D. C., July 6, 1863.

Major-General MEADE and

Major-General FRENCH,

Frederick, Md.:

Fifteen hundred cavalry left here this forenoon on Rockville and Frederick turnpike. They are detachments from the Army of the Potomac, remounted. You can send orders to them on the road to move as you deem best. Elliott's command, with two new batteries. left by railroad this morning.

H. W. HALLECK,

General-in-Chief.

WASHINGTON, D. C., July 6, 1863-12. 30 p. m.

Major-General MEADE and

Major-General French:

It is just reported here that the bridge at Harper's Ferry was left intact when General French's command abandoned that place. If so, it gives Lee a good crossing, unless it be occupied by us in strong force. No time should be lost in throwing troops on to Maryland Heights.

H. W. HALLECK,

General-in-Chief.

HEADQUARTERS ARMY OF THE POTOMAC,
Frederick, July 7, 1863-3. 10 p. m.

(Received 4. 45 p. m.)

Major General H. W. HALLECK:

General Buford reports that he attacked Williamsport yesterday, but found it guarded by a large force of infantry and artillery. Heavy forces were coming into Williamsport all night. French having destroyed their bridges, and the river being unfordable, they are crossing in country flat-boats-a slow operation. My army will be assembling to-day and to-morrow at Middletown. I will imme-

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