NOVEMBER 27-DECEMBER 6, 1862.-Expedition from Helena, Ark., to the vicinity of Grenada, Miss.

SUMMARY OF THE PRINCIPAL EVENTS.

Nov. 28, 1862.-Skirmish at the junction of the Coldwater and the Tallahatchie, Miss.

30, 1862.-Skirmish on the Tallahatchie, Miss.

Destruction of the steamer New Moon, Tallahatchie River, Miss.

December 1, 1862.-Skirmish on the Yocknapatalfa, near Mitchell's Cross-Roads, Miss.

3, 1862.-Skirmish at Oakland, Miss.

REPORTS.

Numbers 1.-Major General Samuel R. Curtis, U. S. Army, commanding Department of the Missouri.

Numbers 2.-Brigadier General Frederick Steele, U. S. Army, commanding District of Eastern Arkansas.

Numbers 3.-Brigadier General Alvin P. Hovey, U. S. Army, commanding Expedition.

Numbers 4.-Brigadier General Cadwalader C. Washburn, U. S. Army, commanding Cavalry Division.

Numbers 5.-Lieutenant Colonel John S. Griffith, Sixth Texas Cavalry, of skirmish at Oakland.

Numbers 1.

Reports of Major General Samuel R. Curtis, U. S. Army, commanding Department of the Missouri.

SAINT LOUIS, MO., December 8, 1862.

General Steele telegraphs the expedition into Mississippi successful. General Hovery bridged Tallahatchie and Yocknapatalfa Rivers and captured some armed pickets. Washburn advanced to within 5 miles of Grenada, where he found the enemy strong. Destroyed the bridges on both railroads and took up the track. Beat the enemy out of Panola, 3,000 strong, and one field piece. He retreated toward Coffeeville. Washburn has gone to destroy the road at that place.

SAML. R. CURTIS,

Major-General.

Major General H. W. HALLECK, Washington, D. C.

HEADQUARTERS DEPARTMENT OF THE MISSOURI, Saint Louis, Mo., December 16, 1862.

I had the honor, pursuant to your suggestions, to prepare an expedition to co-operate against Grenada, in conjunction with movements of General Grant, commanding in the Department of the Tennessee. Brigadier-General Washburn was ordered to Helena to convey my instructions to Brigadier General A. P. Hovey, then commanding at that place where the preparations were immediately made and reported to you on November 8 by telegraph, with the inquiry as to whether your arrangements were natured and I should start the column.