12th Regiment, Colonel Norman S. Andrews.--Organized at Camp Nelson, Ky., July, 1864. Battles: Big Springs, Fort Jones. Mustered out, April, 1866.

13th Regiment, Colonel Jacob T. Foster.--Organized at Camp Nelson, Ky., June, 1865. Mustered out November, 1865.

14th Regiment, Lieutenant-Colonel Walter S. Poor.--Organized at New Berne and Marblehead, N. C., March, 1864, as the 1st North Carolina. Its designation was changed to the 14th, March, 1865. Mustered out December, 1865.

LIGHT ARTILLERY.

2nd Regiment.--Organized at Nashville, Tenn., April, 1864. Mustered out January, 1866.

Battery A, Captain F. P. Meigs.

Battery B, Captain Francis C. Choate.--Organized at Fort Monroe. Va.

January, 1864. Battles: Wilson's Wharf, City Point. Mustered out March, 1866.

Battery C, Captain Robert Ranney.--Organized at Hebron's Plantation, Miss., November, 1863, as the 1st Louisiana Battery. Its designation was changed to Battery A, 2d Regiment, March, 1864, and to Battery C April, 1864. Mustered out December, 1865.

Battery D, Captain W. H. Pratt.--Organized at Black River Bridge, Miss., December, 1863, as the 2d Louisiana Battery. Its designation was changed to Battery B, 2d Regiment United States, March, 1864, and to Battery D April, 1864.

Battery E, Captain Edwin Bancroft.--Organized at Helena, Ark., December, 1863, as the 3d Louisiana Battery. Its designation was changed to Battery C, 2d Regiment United States, March, 1864, and to Battery E April. 1864. Battles: Island No. 76, Big Creek.

Battery F, Captain Carl A. Lamberg.--Organized at Memphis, Tenn., as the Memphis Light Battery, November, 1863. Its designation was changed to Battery D, 2d United States Regiment, March, 1864, and to Battery F, April, 1864. Consolidated with the 3d United States Heavy Artillery, December, 1865. Battles: Fort Pillow, Brice's Cross Roads. Mustered out April, 1866.

Battery G, Captain Jeremiah S. Clark.--Organized at Hilton Head, S. C., May, 1864. Mustered out August, 1865.

Battery H, Captain John Driscoll.--Organized at Pine Bluff, Ark., June, 1864, as the 1st Arkansas Colored Battery. Changed to Battery H, 2d United States, December, 1864. Mustered out September, 1865.

Battery I, Captain Louis B. Smith.--Organized at Memphis, Tenn., April, 1864. Mustered out January, 1866.

Independent Battery, Captain H. Ford Dougla.s.s. Organized at Leavenworth, Kan., December, 1864. Mustered out July, 1865.

INFANTRY.

1st Regiment,[34] Colonel John H. Holman.--Organized at District of Columbia, May, 1863. Battles: Wilson's Wharf, Petersburg, Chapin's Farm, Fair Oaks, Fillmore, Town Creek, Wilmington, Warsaw. Mustered out, September 1865.

2d Regiment, Colonel B. F. Townsend.---Organized at Arlington, Va., June, 1863. Battles: Fort Taylor, Cedar Keys, Natural Bridge. Mustered out January, 1866.

3d Regiment, Colonel F. W. Bardwell.--Organized at Philadelphia, Penn., August, 1863. Battles: Fort Wagner, Bryant's Plantation, Marion County, Jacksonville. Mustered out October, 1865.

4th Regiment, Colonel S. A. Duncan.--Organized at Baltimore, Md., July, 1863. Battles: Bermuda Hundreds, Petersburg, Dutch Gap, Chapin's Farm, Sugar-Loaf Hill. Mustered out May, 1866.

5th Regiment, Lieutenant-Colonel John B. Cook. Organized at Camp Delaware, Ohio, August, 1863. Battles: Sandy Swamp, New Kent Court House, City Point, Petersburg, Chapin's Farm, Fair Oaks, Raleigh.

Mustered out, September 1865.

6th Regiment, Colonel John W. Ames, (regular army).--Organized at Camp William Penn, Pa., 1863. Battles: Williamsburg, Chapin's. Farm, Sugar-Loaf Hill, January 19th, February 11th, 1865. Mustered out September, 1865.

6th Regiment, Louisiana, Colonel Robert Des Anges.--Organized at New Orleans, La., July, 1863--sixty days. Mustered out August, 1863.

7th Regiment, Colonel James Shaw, Jr.--Organized at Baltimore, Md., September, 1863. Battles: Deep Bottom, Johns Island, James Island, Darbytown Road, Jacksonville, May 1st, 28th, 1864, Bermuda Hundreds, Chapin's Farm, Fort Burnham, Petersburg, Richmond. Mustered out October, 1866.

7th Regiment, Louisiana, Colonel M. Wilson Phanley.--Organized at New Orleans, La.--sixty days. Mustered out August, 1863.

8th Regiment, Colonel Charles W. Fribley.--Organized at Camp William Penn., Pa., September, 1863. Battles: Ol.u.s.tee, Chapin's Farm, Darbytown Road. Mustered out November, 1865.

9th Regiment, Colonel Thomas Bayley.--Organized at Camp Staunton, Md., November, 1863. Battles: Deep Bottom, Chapin's Farm, Darbytown Road, Fair Oaks. Mustered out November, 1866.

10th Regiment, Lieutenant-Colonel E. H. Powell.--Organized in Virginia, November, 1863. Battles: Wilson's Wharf, Plymouth, November 26th, 1863, April 18th, 1864, Petersburg. Mustered out May, 1866.

11th Regiment, Lieutenant-Colonel James M. Steele.--Organized (five companies) at Fort Smith, Ark., December, 1863. Battles: Fort Smith, Boggs Mills. Mustered out May, 1866.

11th Regiment consolidated with the 112th and 113th, old regiments, April, 1865, and designated the 113th. Mustered out May, 1866.

11th Regiment, Colonel William D. Turner.--Organized at La Grange, Lafayette, Memphis, Tenn., Corinth, Miss, June, 1863, as the 1st Regiment Alabama Siege Artillery, changed to 6th Regiment United States Heavy Artillery March, 1864, to 7th Regiment April, 1864, and to 11th Regiment January, 1865. Battles: Fort Pillow, Holly Springs. Mustered out January, 1866.

12th Regiment, Colonel Charles R. Thompson.--Organized in the State of Tennessee July, 1863. Battles: Nashville, Section 37, N. & N. W. R. R., Murfreesboro. Mustered out January, 1866.

13th Regiment, Colonel John A. Hollenstein.--Organized at Nashville, Tenn., November, 1863. Battles: Johnsonville, Nashville. Mustered out January, 1866.

14th Regiment, Colonel Henry C. Corbin.--Organized at Gallatin, Tenn., November, 1863. Battles: Dalton, Decatur, Nashville. Mustered out March, 1866.

15th Regiment, Colonel William Inness.--Organized at Nashville, Tenn., December, 1863. Battles: Nashville, Magnolia. Mustered out April, 1866.

16th Regiment, Colonel William B. Gaw. Organized at Nashville, Tenn., December, 1863. Battles: Chattanooga. Mustered out April, 1866.

17th Regiment, Colonel William R. Shafter.--Organized at Nashville, Tenn., December, 1863. Battles: Nashville, Decatur, Brawley Fork.

Mustered out April, 1866.

18th Regiment, Lieutenant-Colonel J. J. Sears.--Organized in the State of Missouri February, 1864. Battles: Nashville, December 7th, 15th, and 16th, 1864, Sand Mountain. Mustered out February, 1866.

19th Regiment, Colonel Joseph G. Perkins.--Organized at Camp Staunton, Md., December, 1863. Battles: Petersburg, Bermuda Hundreds, November 30th, December 4th, 1864. Mustered out January, 1867.

20th Regiment, Colonel Nelson B. Bertram.--Organized at Piker's Island, N. Y., February, 1864. Mustered out October, 1865.

21st Regiment, Colonel Augustus G. Bennett. Organized at Hilton Head, S.

C., Fernandina, Fla., June, 1863, as the 3d and 4th South Carolina.

Consolidated March, 1864, and designated as the 21st U. S. Regiment.

Mustered out April, 1866.

22d Regiment, Colonel Joseph B. Kiddoo. Organized at Philadelphia, Pa., January, 1864. Battles: Petersburg, New Market Heights, Dutch Gap, Chapin's Farm, September 29th, November 4th, 1864, Fair Oaks. Mustered out 1865.

23d Regiment, Lieutenant-Colonel Marshall L. Dempey. Organized at Camp Casey, Va., November, 1863. Battles: Petersburg, Bermuda Hundreds.

Mustered out November, 1865.

24th Regiment, Colonel Orlando Brown.--Organized at Camp William Penn, Pa., January, 1865--one year. Company F mustered out September, 1865; remaining companies October, 1865.

25th Regiment, Colonel F. L. Hitchc.o.c.k.--Organized at Philadelphia, Pa., January, 1864. Mustered out December, 1865.