25th Cavalry Regiment was organized in July, 1864, using the 27th Battalion Virginia Partisan Rangers as its nucleus. Serving in McCausland's and Imboden's Brigade, the unit fought in numerous engagements in western Virginia and the Shenandoah Valley. During April, 1865, it disbanded. Its commanders were Colonel Warren M. Hopkins, Lieutenant Colonel Henry A. Edmundson, and Major Sylvester R. McConnell.
Predecessor unit:
27th Battalion Partisan Rangers was formed in September, 1862, with seven companies, later increased to nine. The unit served in General Hodge's and W.E. Jones' Brigade and participated in various engagements in East Tennessee and western Virginia. During April, 1864, it contained 240 effectives, and in July it merged into the 25th Regiment Virginia Cavalry. Lieutenant Colonel Henry A. Edmundson was in command. http://www.itd.nps.gov/cwss/regiments.cfm
See also: "25th Virginia and 9th Battalion Virginia", by Richard L. Armstrong, 1990, 263 pages, photos, roster, photos, H. E. Howard
http://www.mycivilwar.com/regiments/csa-va/va_cav_25_reg.htm86
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Record of Events, Company H, 25th Virginia Cavalry
Formerly Co. H 27th Battalion Virginia Mounted Rifle,
Company Muster-in Roll of Captain Jas. A. Larmer's Company in Triggs Battalion of Partisan Rangers, Army of the Confederate States, commanded by Lt. Col. H. A. Edmondson, from the 10th day of November 1862, (date of this muster) for the term of Three years, unless sooner discharged.
I Certify, on Honor, That I have carefully examined the men whose names are borne on this Roll, their horses, and equipments, and have accepted them into the service of the Confederate States for the term of three years from this 10th day of November, 1862. Ro. C. Trigg, Col. Mustering Officer, Date: Nov. 10, 1862, Station: Mack's Meadow
Oct. 3 to Dec. 31, 1862 dated Dec. 31, 1862
Stationed at Camp near Petersburg, Va.
Jan. & Feb., 1863, dated Feb. 28, 1863
Station not stated
Mch. & Apr., 1863, n.d.
Stationed at Cattell Wood [Castlewoods?]
Feb. 28 to June 30, 1863, n.d.
Stationed at Cane Creek
June 30, 1863 to Apr. 30,1864, dated Apr. 30, 1864
Stationed near Saltvill
June 30, 1863 to Oct. 31, 1864, dated Oct. 31
Stationed at Oak Hill
Nov. & Dec., 1864, dated December 31, 1864
Stationed at Benton Ford, Va.
This company has been since last muster Doing Picquett Duty, Scouting etc. in Lauray Valley.
Was engaged with enemy near Gordonsville, Va.on the 23d day of December/64.
Wm. H. Montgomery, 2 Lt. Comdg. Com.