Savannah. General Curtis is still asking for re-enforcements in Arkansas.

H. W. HALLECK,

Major-General.

NASHVILLE, TENN., March 20, 1862.

Major-General HALLECK:

Your dispatch of to-day is received. The streams retard us, but I shall lose no time that can be avoided in reaching General Smith. Communications are to go to him to-morrow from Columbia.

I some time ago recommended the constructions of gunboats of greater breadth of beam, so as to draw no more than 3 feet, for the Tennessee and Cumberland Rivers. They may soon become of vital importance.

D. C. BUELL.

HEADQUARTERS DISTRICT OF WEST TENNESSEE,
Savannah, March 20, 1862.

General JOHN A. McCLERNAND,

Commanding First Division:

Make immediate preparations for shipping two brigades of your command to Pittsburg, Tenn. The other brigade will follow as soon as sufficient new arrivals of troops for a proper garrison here will admit of their leaving, probably quite as soon as they could be landed were everything ready now.

U. S. GRANT,

Major-General, Commanding.

HEADQUARTERS DISTRICT OF WEST TENNESSEE,
Savannah, March 20, 1862.

Major General C. F. SMITH,

Commanding, Pittsburg, Tenn.:

Hold all the command at Pittsburg subject to marching orders at any time. Troops will march with three days' rations in haversacks and seven in wagons. Each wagon will take five days' forage of grain for the teams that draw it, and a forage train will accompany with the same number of days' allowance for all other animals. Baggage will be cut down, to make the transportation on hand carry the supplies indicated.

U. S. GRANT,

Major-General, Commanding.

HEADQUARTERS DISTRICT OF WEST TENNESSEE,
Savannah, March 20, 1862.

Brigadier General LEW. WALLACE:

You will hold the troops under your command in readiness to march at a moment's notice (not probably, however, before day after to-morrow). They will provide themselves with three days' rations in haversacks and seven in wagons. All tents and personal baggage,