JACKSON, MO., October 5,1 864.

Colonel O. D. GREENE,

Assistant Adjutant-General:

I have just arrived here and forwarded dispatch to General Rosecrans from General Mower. I will go to Cape Girardeau to-night to await orders and instructions. General Mower directed me to say that his command consists of 4,500 infantry, two six-gun batteries, and 2,000 cavalry.

L. O'REILLY,

Lieutenant and Aide-de-Camp.

HEADQUARTERS DEPARTMENT OF THE MISSOURI,
Saint Louis, October 5,1 864.

COMMANDING OFFICER STEAM-BOAT FLEET:

CAPTAIN: The commanding general directs that you take your boats to Cape Girardeau as rapidly as possible, reporting to the commanding officer at that post. You will wait until General Mower's command arrives at Girardeau and then load him on your boats, working night and day, and bring the command here. Use every precaution against fires, particularly at Cape Girardeau. On your return anchor in the river and report your arrival in person.

Very respectfully, your obedient servant,

FRANK ENO,

Assistant Adjutant-General.

DE SOTO, October 5, 1864-2.15 p. m.

Major-General ROSECRANS:

I left my entire command safe at Rolla yesterday morning. Will go to Saint Louis on train this afternoon.

THOS. EWING, JR.,

Brigadier-General.

GENERAL ORDERS, HEADQUARTERS SAINT LOUIS DISTRICT, Numbers 46.
Saint Louis, Mo., October 5, 1864.

I. So much of General Orders, Numbers 35, current series, from these headquarters, dated June 21, 1864, as relates to the First Sub-District, are hereby modified to except the city of Saint Louis.

II. Co. Hugo Wangelin, Twelfth Missouri Infantry Volunteers, will relieve Colonel J. H. Baker, Tenth Minnesota Volunteers, in command of the First Sub-District of the Saint Louis District, headquarters in the field.

III. Jefferson County and the line of the Iron Mountain Railroad, in Saint Louis County, are hereby transferred from the First Sub-District in the Third. Brigadier General Madison Miller, First Brigade, Enrolled Missouri Militia, is hereby assigned to the command of the Third Sub-District, headquarters in the field.

By command of Major-General Pleasonton:

C. W. MARSH,

Assistant Adjutant-General.