[Inclosure.]

WASHINGTON ARSENAL,

Washington, D. C., October 18, 1864.

Colonel MAYNADIER,

In charge Ordnance Bureau, Washington, D. C.:

SIR: The following is a list of captured ordnance stores, received yesterday from Lieutenant McKee, at Harper's Ferry, Va., viz:

No. Articles Marks

1 3-inch rifled gun No. 32; Phoenixville, Pa.

2 ..... do ........ No. 339; Phoenixville, Pa.

3 12-pounders, smooth bore No. 66; Revere, Copper & Co.

4 3-inch rifled gun No. 221; Phoenixville, Pa.

5 ..... do ....... No. 449; Phoenixville, Pa.

6 ..... do ....... No. 141; Phoenixville, Pa.

7 ..... do ....... No. 109; Phoenixville, Pa.

8 ..... do ....... No. 185; Phoenixville, Pa.

9 ..... do ....... No. 596; Phoenixville, Pa.

10 ..... do ....... No. 194; Phoenixville, Pa.

11 12-pounders, smooth No. 13; Cincinnati, Ohio

12 3-inch rifled gun No. 68; Phoenixville, Pa.

13 ..... do ....... Rebel, Rome, Ga.

In addition to the above, there are 11 carriages and 9 caissons. Nos. 1, 2, 6, and 10 have each a card attached to them with the following inscription:

Captured by the Third Division Cavalry, Brigadier-General Custer commanding, October 9, 1864, near Columbia Furnace, Shenandoah Valley.

No list or invoice accompanied these stores, and the foregoing is all the information I can give concerning them.

Your obedient servant,

J. G. BENTON,

Major of Ordnance, Commanding.

RECTORTOWN, VA., October 19, 1864-7.30 a. m.

(Received 8 a. m.)

Major-General HALLECK,

Chief of Staff:

Heavy cannonading has been going on about Front Royal or Strasburg since 5.30 this morning; it still continues.

C. C. AUGUR,

Major-General.

RECTORTOWN, VA., October 19, 1864-9.15 a. m.

(Received 11.15 a. m.)

Major-General HALLECK,

Chief of Staff:

The heavy artillery firing toward Strasburg has almost ceased; only an occasional gun is now heard. From the direction of the sound there has been no falling of our forces.

C. C. AUGUR,

Major-General.