MARTINSBURG, July 3, 1864.

(Received 9.30 a. m.)

Brigadier-General KELLEY:

A cavalry force of the enemy, about 3,000 strong, is justa attacking our lines and has sent a portion of it to Cherry Run, and in the direction of Bath. Send re-enforcements from Cumberland or another near point to Great Cacapon, and send an officer along the railroad to have all guards in readiness to resist attacks.

F. SIGEL,

Major-General.

CUMBERLAND, July 3, 1864-11 a. m.

Governor BOREMAN,

Wheeling:

The rebels in large force are between Winchester and Martinsburg and are now driving in our pickets. I expect a force will be detached to assail me here and at New Creek. Unfortunately, I have not an adequate force to resist an attack. I am removing my stores west.

B. F. KELLEY,

Brigadier-General.

CUMBERLAND, July 3, 1864-4 p. m.

Governor BOREMAN,

Wheeling:

I have nothing from below since my telegram to you at 11 a. m. The wires are cut and no communication can be had with Martinsburg. The force menacing Martinsburg is believed to be Early's, Imboden's, Jackson, and company.

B. F. KELLEY,

Brigadier-General.

CUMBERLAND, July 3, 1864.

COMMANDER AT SIR JOHN'S RUN:

Have you any information of the enemy? Keep you scouts out; do not suffer yourself to be surprised. Keep me fully advised of all you can learn.

B. F. KELLEY,

Brigadier-General.

SIR JOHN'S RUN, July 3, 1864.

Brigadier-General KELLEY:

Rebels in large force at North Mountain reported at daylight. Our forces there reported captured. Rebel force reported to consist of infantry, cavalry, and artillery.

J. W. DEEM,

Captain, Commanding Post.