MEXICO, July 29, 1864.

General FISK,

Saint Joseph:

I am here without troops and hold the post. Shall I leave, or will your order troops here?

J. B. DOUGLASS,

Brigadier-General.

SAINT JOSEPH, July 29, 1864.

General J. B. DOUGLASS,

Mexico, Mo.:

I am now withdrawing the First Iowa Cavalry from the field in this portion of the district to send to you. They will reach you within two or three days. You must order out additional militia until I can get regular force. Colonel is now on a chase after guerrillas in Chariton County.

CLINTON B. FISK,

Brigadier-General.

STURGEON, July 29, 1864.

Major-General ROSECRANS:

I have just returned from the southern part of this county and eastern part of Howard. Found seven small squads of guerrillas; have killed 5. Anderson's force could not be heard of where I have been.

A BARTLETT, Major, Commanding.

SAINT JOSEPH, July 29, 1864.

Major J. TUNISON,

Weston, Mo.:

I am moving a force into Platte County that will effectually clean out the bushwhackers.

CLINTON B. FISK,

Brigadier-General.

WESTON, July 29, 1864.

General FISK,

Saint Joseph:

There are not more than 250 armed rebels in Platte County. They are divided into squads, and are keeping up an excitement for the purpose of reorganizing; something similar to the original Paw Paw militia.

J. TUNISON,

Major, Commanding at Weston.

OMAHA, July 29, 1864.

Major General S. R. CURTIS:

General Mitchell, who is at Fort Laramie, calls on me for militia troops. Colonel Livingston, with over 300 veterans of the Nebraska