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.