Norfolk and Petersburg R. R.,

.

North Anna, Va.,

,

.

North Atlantic squadron,

.

North Carolina secedes,

,

;

    1st inf., Tranter's Creek,

;

    proposes to secede from Confederacy,

;

    peace movement in,

;

    regimental losses, 26th, 11th, 4th inf.,

;

    27th, 2d inf.,

.

North Carolina, C ram,

.

Northrop, Lucius B., C com.-gen., brutality,

,

.

Nugent, Robert, N b'v't brig.-gen., port.,

;

    Fredericksburg,

,

.

Nullification Act of S. C.,

.

O'Brien, FitzJames, N capt.,

;

    fatally wounded, Blooming Gap,

.

——, Henry J., N col., killed, New York draft riots,

.

Oglesby, Richard J., N maj.-gen., port.,

.

Ohio

, 3d, Perryville,

, anecdote,

;

    4th and 5th, Blue's Gap,

;

    6th, Kelly's Ford,

;

    7th, Cross Lanes,

;

    8th, Blooming Gap,

;

    9th, Logan's Cross Roads,

;

    10th, Perryville,

, Murfreesboro',

;

    14th and 17th, Camp Wildcat,

;

    20th, Vicksburg,

,

;

    23d, Clark's Hollow,

, South Mountain,

;

    25th, Huntersville,

;

    34th, Fayetteville,

, Winchester,

;

    40th, Lookout Mountain,

;

    62d and 67th, Fort Wagner,

,

;

    78th, Atlanta,

;

    82d, McDowell,

;

    92d, Shiloh,

;

    93d, Lebanon,

;

    96th, Chickamauga,

;

    102d, Sultana disaster,

;

    107th, Gettysburg,

;

    108th, Hartsville,

;

    115th, Sultana disaster,

;

    122d, Cedar Creek,

.

——, 5th cavalry, Rocky Crossing,

.

——, losses, 7th inf.,

;

    23d inf.,

;

    25th inf.,

;

    Sands's batt'y,

.

Ohio, Army of the, commanded by Schofield,

.

"Old Folks at Home," Stephen Collins Foster, port.,

.

Old Fort Wayne, Ark., battle,

.

Olden, Charles S., gov. of N. J., port.,

.

Oliver, John M., N b'v't maj.-gen., Corinth,

.

Olmstead, Charles H., N col., Fort Pulaski,

,

.

Olmsted, Frederick Law, sanitary commission,

.

Olustee, Fla., colored troops,

;

    battle,

.

O'Meara, ——, N col., killed, Chattanooga,

.

"On to Richmond,"

,

.

Oneida, N gunboat, New Orleans,

,

;

    ill.,

;

    Mobile Bay,

.

Opdyke, Emerson, N b'v't maj.-gen., port.,

.

Opequan, Va.,

;

    battle,

,

.

Orange and Alexandria R. R.,

,

,

.

Orange Court House, Va., Lee's headquarters,

.

Orchard Knob, Tenn., ill.,

,

,

.

Ord, Edward O. C., N maj.-gen., Dranesville,

;

    Iuka,

;

    port.,

;

    Corinth,

;

    Vicksburg,

;

    Southside R. R., Va.,

,

.

O'Bierne, James R., N b'v't brig.-gen., port., 552.

O'Rorke, Patrick H., N lieut., Ft. Pulaski,

;

    killed, Gettysburg,

,

;

    port.,

.

Osage Island, Mo., battle,

.

Ossipee, N gunboat, Mobile Bay,

.

Osterhaus, Peter J., N maj.-gen., port.,

,

.

Ould, Robert, C col.,

.

Overend, W. H., artist,

.

Overland campaign, The,

.

Owasco, N steamer, Galveston,

.

Owen, Joshua T., N brig.-gen., port.,

.

——, Robert Dale,

.

Owl Creek, Shiloh,

,

.

Oxford, Va.,

.

Ozark, Mo.,

.

Pactolus, N. C.,

.

Paducah, Ky.,

,

.

Paine, Halbert E., N b'v't maj.-gen., attitude toward slavery,

.

Paine's Cross Roads, Va., fight,

.

Paintsville, Ky.,

.