26th Regiment, Colonel William B. Guernsey.--Organized at Piker's Island, N. Y., February, 1864. Battles: John's Island, July 5th and 7th, McKay's Point, Gregory's Farm.

27th Regiment, Lieutenant-Colonel John W. Dounellon.--Organized at Camp Delaware, Ohio, January, 1864. Battles: Petersburg, Hatcher's Run.

Mustered out November, 1865.

28th Regiment, Colonel Charles S Russell, (regular army).--Organized at Indianapolis, Ind., December, 1863. Battles: Jones Bridge, Petersburg.

Mustered out November, 1865.

29th Regiment, Colonel Clark E. Royce. Organized at Quincy, Ill., in the field, Virginia, April, October, 1864--one and three years. Battles: Petersburg, White Oak Road. Mustered out November, 1865.

29th Regiment, Connecticut, Lieutenant-Colonel David Torrence.--Organized at New Haven, Conn., March, 1864. Battles: Petersburg, Chapin's Farm, Darbytown Road, Fair Oaks, Mustered out October, 1865.

30th Regiment, Colonel Delevan Bates.--Organized at Camp Stanton, Md., February, 1864. Battles: Petersburg, Sugar Loaf Hill, c.o.x's Bridge.

Mustered out December, 1865.

31st Regiment, Colonel Henry C. Ward.--Organized at Hart's Island, N.

Y., in the field, Virginia, April, November, 1864. Battle: Petersburg.

The 30th Connecticut consolidated with this regiment May, 1864. Mustered out November, 1865.

32d Regiment, Colonel George W. Baird.--Organized at Camp William Penn, Pa., February, 1864. Battles: Honey Hill, Deveaux Neck. Mustered out August, 1865.

33d Regiment, Colonel William F. Bennett.--Organized at Beaufort, S. C., January, 1863, as the 1st Regiment South Carolina Volunteers; changed to 33d Regiment U. S. February, 1864. Battles: Township, Mill Town Bluff, Hall Island, Jacksonville, John's Island. Mustered out January, 1866.

34th Regiment, Colonel William W. Marple.--Organized at Beaufort, Hilton Head, S. C., May, 1863. Battles: Ashepoo River, John's Island, Deveaux Neck. Mustered out February, 1866. Organization commenced as 2d Regiment, South Carolina; changed before completion to the 34th Regiment U. S.

35th Regiment, Colonel James C. Beecher.--Organized at New Berne, N. C., June, 1863, as the 1st North Carolina Regiment, changed to 35th U. S.

Regiment February, 1864. Battles: Ol.u.s.tee, Black Creek, St. John's River, Honey Hill. Mustered out June, 1866.

36th Regiment, Lieutenant-Colonel William H. Hart.--Organized at Portsmouth, Va., as the 2d Regiment North Carolina, changed February, 1864. Battles: Indian Town, Point Lookout, Pierson's Farm. Petersburg, Chapin's Farm, Dutch Gap. Mustered out October, 1866.

37th Regiment, Colonel Nathan Goff.--Organized at Norfolk, Va., January, 1864, as the 3d North Carolina Regiment; changed to 37th U. S. Regiment, February, 1864. Battles: Plymouth, Chapin's Farm, Fair Oaks. Mustered out February, 1867.

38th Regiment, Colonel Robert W. Hall, (regular army).--Organized in Virginia January, 1864. Battles: Chapin's Farm, Deep Bottom. Mustered out January, 1867.

39th Regiment, Colonel Ozora P. Stevens.--Organized at Baltimore, Md., March, 1864. Battles: Petersburg, Federal Point, Bermuda Hundreds, Hatcher's Run. Mustered out December, 1865.

40th Regiment, Colonel F. W. Lester.--Organized at Nashville and Greenville, Tenn. Battle: South Tunnel. Mustered out April, 1866.

41st Regiment, (battalion), Lieutenant-Colonel Julius A.

Weiss.--Organized at Philadelphia, Pa., September, 1864, composed of men enlisted, drafted for one, two, and three years. Consolidated into a battalion of four companies September, 1865, of one year men. Battles: Hatcher's Run, Fort Burnham, Petersburg, Appomattox Court House.

Mustered out December, 1865.

42d Regiment, Lieutenant-Colonel J. R. Putnam.--Organized at Chattanooga and Nashville, Tenn., April, 1864, composed of enlisted and drafted men for one and three years. Mustered out January, 1866.

43d Regiment, Colonel S. B. Yoeman. Organized at Philadelphia, Pa., March, 1864. Battles: Petersburg, Hatcher's Run. Mustered out 1865.

44th Regiment, Colonel Lewis Johnson.--Organized at Chattanooga, Tenn., Rome, Dalton, Ga., April, 1864. Battles: Nashville, December 2d, 21st, 1864. Mustered out April, 1866.

45th Regiment, Lieutenant-Colonel E. Mayer.--Organized at Philadelphia, Pa., June, 1864. Battles: Hatcher's Run, Petersburg. Mustered out November, 1865.

46th Regiment, Colonel C. Whittlesey.--Organized in Arkansas May, 1863, as the 1st Regiment Arkansas Volunteers; changed to 46th Regiment U. S., May, 1864. Battle: Mound Plantation. Mustered out January, 1866.

47th Regiment. Colonel Hiram Schofield.--Organized at Lake Providence, La., May, 1863, as the 8th Regiment Louisiana Volunteers; changed to 47th Regiment U. S., March, 1864. Battles: Lake Providence, Liverpool Heights, Yazoo City, Fort Blakely. Mustered out January, 1866.

48th Regiment, Colonel F. M. Crandal.--Organized at Lake Providence and Goodrich's Landing, La., May, 1863, as the 10th Regiment Louisiana Volunteers; changed to 48th Regiment U. S., March, 1864. Battles: Bayou Tensa, Vicksburg, Fort Blakely. Mustered out January, 1866.

49th Regiment, Colonel Van E. Young.--Organized at Miliken's Bend, La., May, 1863, as the 11th Regiment Louisiana Volunteers; changed to 49th Regiment U. S., March, 1864. Battles: Miliken's Bend, Waterproof.

Mustered out March, 1866.

50th Regiment, Colonel Charles A. Gilchrist.--Organized at Vicksburg, Miss., July, 1863, as the 12th Regiment Louisiana Volunteers; changed to 50th Regiment U. S., March, 1864. Battle: Fort Blakely. Mustered out March, 1866.

51st Regiment, Colonel A. Watson Webber.--Organized at Miliken's Bend, La., and Vicksburg, Miss., May, 1863, as the 1st Regiment Mississippi Volunteers; changed to 51st Regiment U. S., March, 1864. Battles: Miliken's Bend, Ross Landing, Floyd, Fort Blakely. Mustered out June, 1866.

52d Regiment, Colonel George M. Ziegler.--Organized at Vicksburg, Miss., July 27th, 1863, as the 2d Regiment Mississippi Volunteers; changed to 52d Regiment U. S., March, 1864. Battles: Vicksburg, Coleman's Plantation, Bayou Bidell. Mustered out May, 1866.

53d Regiment, Colonel Orlando C. Risdon.--Organized at Warrentown, Miss., May, 1863, as the 3d Regiment Mississippi Volunteers; changed to 53d Regiment U. S., March, 1864. Battles: Haines' Bluff, Grand Gull, White River. Mustered out March, 1866.

54th Regiment, Lieutenant-Colonel Charles Fair.--Organized in Arkansas September, 1863, as the 2d Regiment Arkansas Volunteers; changed to 54th Regiment U. S., March, 1864. Battles: Cow Creek, Arkansas River, Sabine River, Fort Gibson, Cabin Creek. Mustered out August, 1866.

54th Regiment Ma.s.sachusetts Volunteers, Colonel E. N.

Hallowell.--Organized at Camp Meigs, Readville, Ma.s.s., March, 1863.

Battles: James Island, Fort Wagner, Ol.u.s.tee, Honey Hill, Boykin's Mill, before Charleston. Mustered out August, 1865.

55th Regiment, Colonel N. B. Bartman.--Organized at Corinth, Miss., May, 1863, as the 1st Regiment Alabama Volunteers; changed to 55th Regiment U. S., 1864. Battles: Ripley, Brice's Cross Roads, Moscow, Waterford.

Mustered out December, 1865.

55th Regiment Ma.s.sachusetts Volunteers, Colonel Alfred S.

Hartwell.--Organized at Camp Meigs, Readville, Ma.s.s., May, 1863.

Battles: James Island, May 21st, July 2d, 1864, February 10th, 1865, Honey Hill, Briggen Creek, St. Stephens, Deveaux Neck. Mustered out August, 1865.

56th Regiment, Colonel Charles Bentzoni, (regular army). Organized at St. Louis, Mo., August, 1863, as the 3d Regiment Arkansas Volunteers; changed to 56th Regiment U. S., March, 1854. Battles: Indian Bay, Meffleton Lodge, Wallace's Ferry. Mustered out September, 1866.

57th Regiment, Lieutenant-Colonel Silas Hunter.--Organized at Duvall's Bluff, Little Rock. Helena, Ark., December, 1863, as the 4th Regiment Arkansas Volunteers, changed to 57th Regiment U. S., March, 1864.

Battles: Little Rock, April 26th and May 28th, 1864, Camden. Mustered out October, 1866.

58th Regiment, Colonel Simon M. Preston.--Organized at Natchez, Miss., August, 1863, as the 6th Regiment Mississippi Volunteers; changed to 58th Regiment U. S., March, 1864. Battle: Natchez. Mustered out April, 1866.

59th Regiment, Colonel Edward Bonton.--Organized at La Grange, Tenn., June, 1863, as the 1st Regiment Tennessee Volunteers; changed to 59th Regiment U. S., March, 1864. Battles: Brice's Cross Roads, Tupelo.

Mustered out January, 1866.

60th Regiment, Colonel John G. Hudson.--Organized at Keokuk, Iowa, and Benton Barracks, Mo., October, 1863, as the 1st Regiment Iowa Volunteers; changed to 60th Regiment U. S., March, 1864. Battle: Big Creek. Mustered out October, 1865.

61st Regiment Lieutenant-Colonel John Foley.--Organized at La Grange, Tenn., June, 1863, as the 2nd Regiment Tennessee Volunteers; changed to 61st Regiment U. S., March, 1864. Battles: Moscow Station, Tupelo, Waterford, Memphis, Castport. Mustered out December, 1865.

62nd Regiment, Lieutenant-Colonel David Branson.--Organized at Benton Barracks, Mo., December, 1863, as the 1st Regiment Missouri Volunteers; changed to 62nd Regiment U. S., March, 1864. Battles: Glasgow, Palmetto Ranch. Mustered out March, 1866.

63rd Regiment, Major Wm. G. Sargent.--Organized at Memphis, and Island No. 10, Tenn., Vicksburg, Miss., and Goodrich's Landing, La., November, 1863, as the 9th Regiment Louisiana Volunteers; changed to 63rd Regiment U. S., March, 1864. Battles: Waterproof, Ashwood, Marengo. Mustered out January, 1866.

64th Regiment, Colonel Samuel Thomas.--Organized at Camp Holly Springs, Memphis, and Island No. 10, Tenn., December, 1863, as the 7th Regiment Louisiana Volunteers, changed to the 64th Regiment U. S., March, 1864.

Battles; Ashwood Landing, Point Pleasant, Pine Bluff, David's Bend, June 2nd, 29th, 1864, Helena. Mustered out March, 1866.