HEADQUARTERS ARMY OF THE POTOMAC, June 20, 1864 - 8.05 p. m.

Major-General BIRNEY,
Commanding Second Corps:

The major-general commanding directs me to say that any point in rear of General Warren will answer to mass in, provided you can move from it readily to his left.

A. A. HUMPHREYS,

Major-General and Chief of Staff.

HEADQUARTERS SECOND ARMY CORPS, June 20, 1864 - 8.30 a. m.

Colonel TIDBALL:

COLONEL: The major-general commanding directs that you open with a slow and deliberate fire from your batteries along the line, continuing it until further orders. He does not care about having a regular cannonade but wants them all to fire from time to time.

I am, colonel, very respectfully, your obedient servant,
WM. R. DRIVER,

Assistant Adjutant-General.

SPECIAL ORDERS,
HEADQUARTERS SECOND ARMY CORPS,

No. 159. June 20, 1864.

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VI. At the request of Brigadier-General Barlow, commanding First Division, Colonel John Fraser, One hundred and fortieth Pennsylvania Volunteers, is relieved from further duty with the Second Division of the corps, and will reports to his own division commander for assignment to the command of a brigade.

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By command of Major-General Birney:

FRANCIS A. WALKER,

Assistant Adjutant-General.

CIRCULAR.] HEADQUARTERS SECOND CORPS,

June 20, 1864 - 9.3 a. m.

Major-General MEADE:

In regard to my position as a defensive one, I think half my force could hold it against any direct attack. If we remained quiet it might be well to have a little more to look out for any flanking effort. If