1st REGIMENT CAVALRY.

Organized at Camp Hamilton, Va., December 22, 1863. Attached to Fort Monroe, Va., Dept. of Virginia and North Carolina, to April, 1864. Unattached Williamsburg, Va., Dept. of Virginia and North Carolina, to June, 1864. 1st Brigade, 3rd Division, 18th Corps, Army of the James, to August, 1864. Defences of Portsmouth Va., District of Eastern Virginia, to May, 1865. Cavalry Brigade, 25th Corps, Dept. of Virginia and Dept. of Texas, to February, 1866.

SERVICE.--Duty at Fort Monroe and Williamsburg, Va., till May, 1864. Reconnoissance in Kings and Queens county February, 1864. Butler's operations on south side of James River and against Petersburg and Richmond May 4-28. Capture of Bermuda Hundred and City Point May 5. Swift Creek May 8-10. Operations against Fort Darling May 12-16. Actions at Drury's Bluff May 10-14-15 and 16. In trenches at Bermuda Hundred till June 18. Bayler's Farm June 15. Assaults on Petersburg June 16-19. Siege of Petersburg till August. Action at Deep Bottom July 27-28. Ordered to Fort Monroe August 3. Duty at Newport News and at Portsmouth and in District of Eastern Virginia till May, 1865. Cos. "E" and "I" Detached at Fort Powhatan and Harrison's Landing August, 1864, to May, 1865. Moved to City Point, Va., thence sailed for Texas June 10. Duty on the Rio Grande and at various points in Texas till February, 1866. Mustered out February 4, 1866.

2nd REGIMENT CAVALRY.

Organized at Fort Monroe, Va., December 22, 1863. Attached to Fort Monroe, Va., Dept. of Virginia and North Carolina, to April, 1864. Unattached Williamsburg, Va., Dept. of Virginia and North Carolina, to June, 1864. 2nd Brigade, 3rd Division, 18th Corps, Army of the James, to August, 1864. Unattached 3rd Division, 18th Corps, to December, 1864. Unattached 25th Corps, Dept. of Virginia, to May, 1865. Cavalry Brigade, 25th Corps, Dept. of Virginia and Dept. of Texas, to February, 1866.

SERVICE.--Duty at Fort Monroe, Portsmouth and Williamsburg, Va., till May, 1864. Demonstration on Portsmouth March 4-5. Action near Suffolk March 10. Reconnoissance from Portsmouth to the Blackwater April 13-15. Butler's operations on the south side of James River and against Petersburg and Richmond May 4-28. Capture of Bermuda Hundred and City Point May 5. Swift Creek May 8-10. Operations against Fort Darling May 10-16. Actions at Drury's Bluff May 10-13-14-15 and 16. Near Drury's Bluff May 20. Duty in trenches at Bermuda Hundred till June 13. Point of Rocks June 10. Richmond Campaign June 13-July 31. Baylor's Farm June 15. Assaults on Petersburg June 16-19. Siege of Petersburg and Richmond June 16, 1864, to February 18, 1865. Duty before Petersburg till July, 1864. Moved to Deep Bottom July 25. Action at Deep Bottom July 27-28. Strawberry Plains, Deep Bottom, August 14-18. Actions at Deep Bottom September 2 and 6. Chaffin's Farm September 29-30. Barbytown Road October 7. Battle of Fair Oaks, Darbytown Road October 27-28. Near Richmond October 28-29. Duty in trenches north of James River till February, 1865. Ordered to Norfolk February 18. Duty in District of Eastern Virginia at Norfolk, Suffolk, etc., till May. Ordered to City Point, Va.; thence sailed for Texas June 10. Duty on the Rio Grande and at various points in Texas till February, 1866. Mustered out February 12, 1866.

3rd REGIMENT CAVALRY.

Organized from 1st Mississippi Cavalry (African Descent) March 11, 1864. Attached to 1st Brigade, United States Colored Troops, District of Vicksburg, Miss., Dept. of the Tennessee, to April, 1864. Winslow's Cavalry Brigade, District of Vicksburg, to December, 1864. 3rd Brigade, Cavalry Division, District of West Tennessee, to January, 1865. Unattached Cavalry, District of West Tennessee to June, 1865. 1st Brigade, Cavalry Division, District of West Tennessee, to January, 1866.

SERVICE.--Duty at Vicksburg, Miss., and in that District till December, 1864. Action at Roach's Plantation, Miss., March 30. Columbus, Ky., April 11 and 13 (Detachment). Expedition from Haines' Bluff up Yazoo River April 19-23. Near Mechanicsburg April 20. Expedition from Vicksburg to Yazoo City May 4-21. Benton May 7 and 9. Yazoo City May 13. Near Vicksburg June 4. Expedition from Vicksburg to Pearl River July 2-10. Jackson July 7. Utica July 13. Grand Gulf July 16. Bayou Tensas, La., August 26. Expedition from Goodrich Landing to Bayou Macon August 28-31. Expedition from Vicksburg to Deer Creek September 21-26. Near Rolling Fork September 22-23. Expedition from Vicksburg to Rodney and Fayette September 29-October 3. Expedition from Natchez to Woodville October 4-11. Fort Adams October 5. Woodville October 5-6. Operations in Issaqueena and Washington counties October 21-31. Steele's Bayou October 23. Expedition from Vicksburg to Gaines' Landing, Ark., and Bayou Macon, La., November 6-8. Rolling Fork November 11. Expedition from Vicksburg to Yazoo City November 23-December 4. Big Black River Bridge November 27. Moved to Memphis, Tenn. Grierson's Expedition from Memphis, Tenn., to destroy Mobile & Ohio Railroad December 21, 1864-January 5, 1865. Franklin Creek December 21-22, 1864. Okolona December 27. Egypt Station December 28. Franklin January 2, 1865. Moved to Memphis from Vicksburg, Miss., January 5-10. Duty there and in District of West Tennessee till April. Expedition from Memphis to Brownsville, Miss., April 23-26. Moved to Vicksburg April 29-May 1 and operating about Natchez for the capture of Jeff Davis May. Operations about Fort Adams May 3-6. Duty in District of West Tennessee and Dept. of Mississippi till January, 1866. Mustered out January 26, 1866.

4th REGIMENT CAVALRY.

Organized from 1st Corps de Afrique Cavalry April 4, 1864. Attached to Defences of New Orleans, La., Dept. of the Gulf, to August, 1864. District of Port Hudson, La., Dept. of the Gulf, to October, 1864. 1st Brigade, 2nd Division, United States Colored Troops, Dept. of the Gulf, to December, 1864. District of Port Hudson, La., Dept. of the Gulf, to July, 1865. Dept. of Mississippi to March, 1866.

SERVICE.--Duty in the Defences of New Orleans, La., at New Orleans, Carrollton, Camp Parapet and Donaldsonville, District of LaFourche, till August, 1864. Ordered to Baton Rouge, La., August 8, and duty in the Defences of that Post till July, 1865. Expedition to Clinton August 23-29, 1864. Action at Olive Branch, Comite River, August 25. Expedition from Port Hudson to Jackson April 11-13, 1865. Duty at various points in the Dept. of Mississippi till March, 1866. Mustered out March 20, 1866.

5th REGIMENT CAVALRY.

Organized at Camp Nelson, Ky., October 24, 1864. Attached to 1st Division, District of Kentucky, Dept. of Ohio, to February, 1865. Military District of Kentucky and Dept. of Arkansas, to March, 1866.

SERVICE.--Participated in Burbridge's Raid from Kentucky into Southwestern Virginia September 20-October 17, 1864. Action at Saltsville, Va., October 2. At Lexington, Ky., October 19. Harrodsburg, Ky., October 21. Stoneman's Raid Into Southwestern Virginia December 10-29. Near Marion December 17-18. Capture of Saltsville and destruction of salt works December 20-21. Duty at Ghent, Paducah, LaGrange, Crab Orchard and Camp Nelson till August, 1865, and in the Dept. of Arkansas till March, 1866. Mustered out March 20, 1866.

Regiment lost during service 35 Enlisted men killed and mortally wounded and 1 Officer and 151 Enlisted men by disease. Total 187.

6th REGIMENT CAVALRY.

Organized at Camp Nelson, Ky., October 24, 1864. Attached to 1st Division, District of Kentucky, Dept. of Ohio, to February, 1865. Military District and Dept. of Kentucky to December, 1865, and Dept. of Arkansas to April, 1866.

SERVICE.--Stoneman's Raid into Southwestern Virginia December 10-29, 1864. Capture and destruction of lead mines December 17. Near Marion December 17-18. Saltsville December 20-21. At Camp Nelson and Paducah, Ky., till March, 1865. At LaGrange, Tenn., till May. At Camp Nelson, Wild Cat, and Danville, Ky., till July. At New Haven and Catlettsburg, Ky., till October. At Covington, Ky., till December. At Louisville, Ky., and Helena, Ark., till January, 1866. At Duvall's Bluff, Ark., till April 15, 1866. Mustered out April 15, 1866.