I am told that my estimate of troops needed for this line, viz., two hundred thousand, has been construed to my prejudice, and therefore leave it for the future.  This is the great centre on which our enemies can concentrate whatever force is not employed elsewhere.  Detailed statement of present force inclosed with this.

With great respect, your obedient servant,

W. T. SHERMAN, Brigadier-General commanding.

BRIGADIER-GENERAL McCOOK’S CAMP, AT NOLIN, FIFTY-TWO MILES FROM LOUISVILLE, KENTUCKY, NOVEMBER 4, 1861.

First Brigade (General ROUSSEAU).-Third Kentucky, Colonel Bulkley; Fourth Kentucky, Colonel Whittaker; First Cavalry, Colonel Board; Stone’s battery; two companies Nineteenth United States Infantry, and two companies Fifteenth United States Infantry, Captain Gilman.

Second Brigade (General T. J. WOOD).-Thirty-eighth Indiana, Colonel Scribner; Thirty-ninth Indiana, Colonel Harrison; Thirtieth Indiana, Colonel Bass; Twenty-ninth Indiana, Colonel Miller.

Third Brigade (General JOHNSON).-Forty-ninth Ohio, Colonel Gibson; Fifteenth Ohio, Colonel Dickey; Thirty-fourth Illinois, Colonel King; Thirty-second Indiana, Colonel Willach.

Fourth Brigade (General NEGLEY).-Seventy-seventh Pennsylvania,
Colonel Hambright; Seventy-eighth Pennsylvania, Colonel Sinnell;
Seventy-ninth Pennsylvania, Colonel Stambaugh; Battery, Captain
Mueller.

Camp Dick Robinson (General G. H. THOMAS).—–­Kentucky, Colonel
Bramlette;—­Kentucky, Colonel Fry;—­Kentucky Cavalry, Colonel
Woolford; Fourteenth Ohio, Colonel Steadman; First Artillery,
Colonel Barnett; Third Ohio, Colonel Carter;—­East Tennessee,
Colonel Byrd.

Bardstown, Kentucky.-Tenth Indiana, Colonel Manson.

Crab Orchard.-Thirty-third Indiana, Colonel Coburn.

Jeffersonville, Indiana.-Thirty-fourth Indiana, Colonel Steele;
Thirty-sixth Indiana, Colonel Gross; First Wisconsin, Colonel
Starkweather.

Mouth of Salt River.-Ninth Michigan, Colonel Duffield;
Thirty-seventh Indiana, Colonel Hazzard.

Lebanon Junction..-Second Minnesota, Colonel Van Cleve.

Olympian Springs.-Second Ohio, Colonel Harris.

Cynthiana, Kentucky.-Thirty-fifth Ohio, Colonel Vandever.

Nicholasville, Kentucky.-Twenty-first Ohio, Colonel Norton;
Thirty-eighth Ohio, Colonel Bradley.

Big Hill.-Seventeenth Ohio, Colonel Connell.

Colesburg.-Twenty-fourth Illinois, Colonel Hecker.

Elizabethtown, Kentucky.-Nineteenth Illinois, Colonel Turchin.

Owensboro’ or Henderson.-Thirty-first Indiana, Colonel Cruft;
Colonel Edwards, forming Rock Castle; Colonel Boyle, Harrodsburg;
Colonel Barney, Irvine; Colonel Hazzard, Burksville; Colonel
Haskins, Somerset.

And, in order to conclude this subject, I also add copies of two telegraphic dispatches, sent for General McClellan’s use about the same time, which are all the official letters received at his headquarters, as certified by the Adjutant-General, L. Thomas, in a letter of February 1, 1862; in answer to an application of my brother, Senator John Sherman, and on which I was adjudged insane: