GRAND GULF, April 4, 1863.

Lieutenant-General PEMBERTON:

I have sent over two regiments and a section of artillery to re-enforce Major Harrison. No further news from him. The steamers Hine and charm have arrived. The force sent over is about 1,000 men.

JNO. S. BOWEN.

JACKSON, April 4, 1863.

Major-General GARDNER, Port Hudson:

Ascertain, if possible, at once whether enemy has considerably reduced his force at Baton Rouge, and let me know. I require [A.] Rust's brigade for operations in this direction.

J. C. PEMBERTON.

TULLAHOMA, April 5, 1863.

Lieutenant-General PEMBERTON, Jackson:

Your dispatch of the 3rd received. If you discover that the enemy re-enforces Rosecrans, let Stevenson's troops, or an equal number, come here immediately. A gentleman who left Louisville on the 28th [ultimo] reports they are sending all boats to Grand.

J. E. Johnston.

GRAND GULF, April 5, 1863.

Lieutenant-General PEMBERTON:

Enemy attacked Major Harrison's pickets at 12 m. yesterday near Carthage; they could not cross the bayou; they were collecting all the boats. Re-enforcements will be in good time.

JNO. S. BOWEN.

JACKSON, April 5, 1863.

Major-General STEVENSON:

Unless you feel confident an attack is imminent, I wish the field battery to go up.

J. S. PEMBERTON.