FORT SUMTER, January 13,1 864.

SIR: I have the honor to report that nothing of importance has occurred since my last report, with the exception of the unmasking of one or more light Parrott guns than have heretofore been employed. They are situated at the foot of the scarp of the main work of Gregg. No observation can be made this morning.

Very respectfully, your obedient servant,

S. ELLIOTT, JR.,

Lieutenant-Colonel, Commanding.

Lieutenant S. C. BOYLSTON,

Acting Assistant Adjutant-General.

FORT SUMTER, January 14, 1864.

SIR: I have the honor to report that affairs continue quiet. The density of the fog affords good cause for an assault, but it would not find us unprepared.

Very respectfully, your obedient servant,

S. ELLIOTT, JR.,

Lieutenant-Colonel, Commanding.

Lieutenant S. C. BOYLSTON,

Acting Assistant Adjutant-General.

FORT SUMTER, January 15, 1864.

SIR: I have the honor to report that the weather will not permit an observation of the fleet this morning. Two 42-pounder guns were shipped last night.

Very respectfully, your obedient servant,

S. ELLIOTT, JR.,

Lieutenant-Colonel, Commanding.

Lieutenant S. C. BOYLSTON,

Acting Assistant Adjutant-General.

SUMTER, January 16, 1864.

SIR: I have the honor to report that there are this morning inside the Ironsides, 4 monitors, 5 wooden gun-boats, 1 armed schooner and 1 armed bark, and 10 sailing vessels. The Wabash has given place to a small sloop of war without steam. In addition there are 6 blockaders (2 without steam), 7 steamers, and 10 schooners in Light-Horse Inlet.

Private G. W. Dunican, Company E, Twenty-seventh South Carolina Volunteers, died suddenly yesterday of congestion of lungs and brain; also negro from the same cause.

Very respectfully, your obedient servant,

S. ELLIOTT, JR.,

Lieutenant-Colonel, Commanding.

Lieutenant S. C. BOYLSTON,

Acting Assistant Adjutant-General.