RELAY HOUSE, July 14, 1864.

Major General E. O. C. ORD,

Baltimore:

The construction train for the main stem Baltimore and Ohio Railroad left here some time since with an escort of dismounted cavalry armed with carbines.

E. B. TYLER,

Brigadier-General.

HDQRS. MIDDLE DEPARTMENT, EIGHTH ARMY CORPS,
Baltimore, July 14, 1864.

General KENLY,

Commanding West Front:

SIR: I move part of command this a. m., as soon as may be, to Washington. General Tyler is used up, I find this a. m, and you will take command of his brigade, and he is ordered to take your place. Tyler's brigade is partly at Relay House, and Gilpin's regiment, the One hundred and forty-ninth Ohio, and three companies One hundred and forty-fourth [Ohio] are in town, ordered to depot Camden at once. You will be at station to see the command off and then push on. Alexander's battery goes with you-are ordered in.

Yours, &c.,

E. O. C. ORD,

Major-General, Commanding.

HEADQUARTERS, July 14, 1864.

General JOHN R. KENLY:

GENERAL: Colonel Gilpin's men, the One hundred and forty-ninth and One hundred and forty-fourth Ohio, received notice to march two or three hours ago, and are probably now on their way. They have been in Fort Washington.

By order:

S. S. SEWARD,
Major and Aide-de-Camp.

PHILADELPHIA, July 14, 1864. (Received 3. 30 p. m.)

Honorable SECRETARY OF WAR:

I have been in Philadelphia for the past two days, but intend to return to Harrisburg this evening. Regiments raised under the call of 12,000 men will be forwarded to Washington as fast as equipped, unless contrary orders are received.

D. N. COUCH,

Major-General.

CITY POINT, VA., July 15, 1864.

Major-General HALLECK,

Washington, D. C.:

In view of the possible recurrence of the late raid into Maryland, I would suggest that the following precaution be taken: First.