MEXICO, October 13, 1864 - 7.40 p. m.

Major-General ROSECRANS:

I have every reason to believe that this post is in great danger of an attack. In fact, I think the rebels will aim to destroy the North Missouri Railroad. Can't you send me one or two regiments of troops upon the road at once. Nearly all of the rolling-stock is now at Saint Charles, and the troops can be transported rapidly.

J. B. DOUGLASS,

Brigadier-General.

HERMANN, MO., October 13, 1864 - 9 p. m.

Brigadier General J. B. DOUGLASS,

Mexico, Mo.:

General Fisk is either at Providence or Jefferson. You must act energetically; concentrate your troops, and if you cannot resist Shelby harass him constantly. Perruque bridge is the most important on the North Missouri road; guard it well.

JOHN V. DU BOIS,

Colonel and Chief of Staff.

SAINT LOUIS, October 13, 1864 - 9.15 p. m.

Brigadier-General DOUGLASS,

Mexico:

Put your men at work at once towing up intrenchments.

By order of Major-General Rosecrans:

FRANK ENO,

Assistant Adjutant-General.

CHILLICOTHE, October 13, 1864.

General CRAIG:

Messenger just in from Carrollton. All still quiet there. Fifteen rebels in the county yesterday, supposed to be a thieving party only.

J. H. SHANKLIN,

Colonel, Commanding.

CHILLICOTHE, October 13, 1864.

Brigadier-General CRAIG:

Scouts from the direction of Chariton report a small guerrilla force northwest of Brunswick stealing horses. No other rebel force reported in Chariton. They also report U. S. Troops now occupy Brunswick.

J. H. SHANKLIN,

Colonel, Commanding.

CHILLICOTHE, October 13, 1864.

Brigadier-General CRAIG:

A messenger has just arrived having left Carrollton at 3 this p. m. Major Deagle reports that he has reliable information that 200 of Shelby's command have crossed the Missouri River to-day at waverly and that they were still crossing. Major reports Waverly is swarming with