Second Brigade, Colonel JOHN ADAIR McDOWELL.—­Sixth Iowa, Lieutenant-Colonel John M. Corse; Fortieth Illinois, Colonel J. W.
Booth; Forty-sixth Ohio, Colonel O. C. Walcutt; Thirteenth United
States Infantry, First Battalion, Major D. Chase.

Third Brigade, Brigadier-General J. W. DENVER.—­Forty-eighth Ohio,
Colonel P. J. Sullivan; Fifty-third Ohio, Colonel W. S. Jones;
Seventieth Ohio, Colonel J. R. Cockerill.

Fourth Brigade, Colonel DAVID STUART.—­Fifty-fifth Illinois,
Colonel O. Malmburg; Fifty-seventh Ohio, Colonel W. Mungen;
Eighty-third Indiana, Colonel B. Spooner; One Hundred and Sixteenth Illinois, Colonel Tupper; One Hundred and Twenty-seventh Illinois, Lieutenant-Colonel Eldridge.

Fifth Brigade, Colonel R. P. BUCKLAND.—­Seventy-second Ohio, Lieutenant-Colonel D. W. C. Loudon; Thirty-second Wisconsin, Colonel J. W. Howe; Ninety-third Indiana, Colonel Thomas; Ninety-third Illinois, Major J. M. Fisher.

Subsequently, Brigadier-General J. G. Lauman arrived at Memphis, and I made up a sixth brigade, and organized these six brigades into three divisions, under Brigadier-Generals M. L. Smith, J. W. Denver, and J. G. Lauman.

About the 17th of November I received an order from General Grant, dated: 

LAGRANGE, November 16, 1862.

Meet me at Columbus, Kentucky, on Thursday next.  If you have a good map of the country south of you, take it up with you.

U. S. GRANT, Major-General.

I started forthwith by boat, and met General Grant, who had reached Columbus by the railroad from Jackson, Tennessee.  He explained to me that he proposed to move against Pemberton, then intrenched on a line behind the Tallahatchie River below Holly Springs; that he would move on Holly Springs and Abberville, from Grand Junction; that McPherson, with the troops at Corinth, would aim to make junction with him at Holly Springs; and that he wanted me to leave in Memphis a proper garrison, and to aim for the Tallahatchie, so as to come up on his right by a certain date.  He further said that his ultimate object was to capture Vicksburg, to open the navigation of the Mississippi River, and that General Halleck had authorized him to call on the troops in the Department of Arkansas, then commanded by General S. R. Curtis, for cooperation.  I suggested to him that if he would request General Curtis to send an expedition from some point on the Mississippi, near Helena, then held in force, toward Grenada, to the rear of Pemberton, it would alarm him for the safety of his communications, and would assist us materially in the proposed attack on his front.  He authorized me to send to the commanding officer at Helena a request to that effect, and, as soon as I reached Memphis, I dispatched my aide, Major McCoy, to Helena, who returned, bringing me a letter from General Frederick Steele, who had just reached Helena with Osterhaus’s division, and who was