General Pleasonton will promptly inform you of any movements of the enemy discovered by him. Very respectfully, your obedient servant,

F. C. NEWHALL,

Captain, and Acting Aide-de-Camp.

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HEADQUARTERS ARMY OF THE POTOMAC,
June 12, 1863.

Brigadier-General PLEASONTON,

Commanding Cavalry Corps:

General Reynolds will be at Morrisville to-morrow as early as practicable; Howard at Catlett's Station to-morrow p. m.

DANL. BUTTERFIELD,

Major-General, Chief of Staff.

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HEADQUARTERS CAVALRY CORPS,
June 12, 1863.

General R. INGALLS,

Chief Quartermaster:

Your dispatch received. Ask the general how much of a bribe he can stand to get Mosby's services. There is a chance for him, and just now he could do valuable service in the way of information as well as humbugging the enemy. There is no news. The rebels are like that boy the President tells about, who stumped his toe, and was too big to cry. Birney is up.

A. PLEASONTON,

Brigadier-General.

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HEADQUARTERS ARMY OF THE POTOMAC,
June 12, 1863.

General PLEASONTON:

If you think your scheme can succeed in regard Mosby, do not hesitate as to the matter of money. Use your own judgment, and do precisely what you think best for the public interest.

RUFUS INGALLS,

Brigadier-General.

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CONFIDENTIAL.]

HEADQUARTERS ARMY OF THE POTOMAC, Camp near Falmouth, Va.,
June 12, 1863.

Commanding Officer First Corps:

In view of the position of affairs on the right, the absence of any specific information as to the objects, movements, and purposes of the enemy, the necessity for the presence of the commanding general here, he directs me to say to you that you will assume command of the right wing of the army until such time as he may arrive there. You will move with your corps up to the vicinity of Bealeton to- morrow. General Howard, with the Eleventh Corps, is at Catlett's, or should be to- morrow afternoon. He left here at 12 to-day. The positions of Meade and Birney you are advised of by previous letters. General Pleasonton, with all the cavalry, is on the right, and will, or course, be subject to your orders. The enemy must not be permitted to cross the river to make his intended raid. Circum-