Vicksburg, May 1, 1863.

General GARDNER, Port Hudson:

Send General Gregg's brigade at once to Jackson. On reaching Osyka, if transportation is not furnished, he must go up the road until he meets it. Direct him to move rapidly.

J. C. PEMBERTON.

Vicksburg, May 1, 1863.

Major-General GARDNER, Port Hudson:

Bowen is hard pressed. Should he fall back, the communication with Port Hudson will be cut off.

J. C. PEMBERTON.

Vicksburg, May 1, 1863.

Major General W. W. LORING, Jackson, MISS.:

You will proceed at once with all of [A.] Buford's brigade in Jackson and en route to that place, and all of [L.] Tilghman's, except Fourteenth Mississippi Regiment, and one regiment at Big Black Bridge, taking Point Coupee battery, now in Jackson, and leaving one at Big Black. Two regiments of Tilghman's brigade will go from Edwards Depot. The rest will go via Vicksburg. Call on [L.] Mims for transportation. When can you move?

J. C. PEMBERTON.

Vicksburg, May 1, 1863.

General LORING, Jackson:

I want you to proceed in advance, with General Tilghman's troops.

J. C. PEMBERTON.

Vicksburg, May 1, 1863.

Major-General LORING, Clinton and Edwards Depot:

Hurry on troops with all possible haste, without baggage. Bowen is hard pressed.

J. C. PEMBERTON.

JACKSON, May 1, 1863.

General PEMBERTON:

I have just received the following from General Ruggles:

The following telegram is just received from Okolona:

"Enemy was yesterday evening crossing Tallahatchee at New Albany, in force of 3,000.

"C. R. BARTEAU,

"Lieutenant-Colonel. "

If it is true, I must have heavy re-enforcements. Please answer immediately.

W. W. LORING.