Spencer Rangers. See North Carolina Troops, Confederate.

Spofford's (Winslow P.) Infantry. See Maine Troops, 11th Regiment.

Sprague's (Augustus B. R.) Heavy Artillery. See Massachusetts Troops, 2nd Regiment.

Stafford Artillery. See Virginia Troops, Confederate.

Stagg's (Peter) Cavalry. See Michigan Troops, 1st Regiment.

Stahle's (James A.) Infantry. See Pennsylvania Troops, 87th Regiment.

Stanford's (Samuel N.) Cavalry. See Ohio Troops, 1st Regiment.

Stanhope's (Philip W.) Infantry. See Union Troops, Regulars, 12th Regiment.

Starr's (Joseph B.) Artillery. See North Carolina Troops, Confederate, 13th Battalion.

Start's (Romeo H.) Artillery. See Vermont Troops, 3rd Battery.

Staunton Artillery. See Virginia Troops, Confederate.

Staunton Hill Artillery. See Virginia Troops, Confederate.

Staunton's (John F.) Infantry. See Pennsylvania Troops, 67th Regiment.

Stedman's (William) Cavalry. See Ohio Troops, 6th Regiment.

Steele's (Joseph) Cavalry. See Pennsylvania Troops, 2nd Regiment.

Steeple's (John S.) Infantry. See Pennsylvania Troops, 88th Regiment.

Steere's (William H. P.) Infantry. See Rhode Island Troops, 4th Regiment.

Stetzel's (George) Cavalry. See Pennsylvania Troops, 11th Regiment.

Stevens' (Aaron F.) Infantry. See New Hampshire Troops, 13th Regiment.

Stevens' (Atherton H., jr.) Cavalry. See Massachusetts Troops, 4th Regiment.

Stevens' (Greenleaf T.) Artillery. See Maine Troops, 5th Battery.

Stevens' (Moses) Heavy Artillery. See New York Troops, 13th Regiment, Battery D.

Stewart's (Charles H.) Artillery. See New York Troops, 3rd Regiment.

Stewart's (Frederick) Cavalry. See New York Troops, 20th Regiment.

Stewart's (James) Artillery. See Union Troops, Regulars, 4th Regiment, Battery B.

Stewart's (William W.) Infantry. See Pennsylvania Troops, 1st Reserves.

Stickney's (James W. H.) Infantry. See Union Troops, Veteran Reserve Corps, 2nd Battalion.

Stitt's (William) Artillery. See Pennsylvania Troops, 1st Regiment, Battery A.

Stocking's (Solon W.) Artillery. See New York Troops, 1st Regiment, Battery K.

Stollings' (Joel E.) Infantry. See Virginia Troops, Confederate, 45th Battalion.

Stone's (James R.) Infantry. See Union Troops, Veteran Reserve Corps, 2nd Battalion.

Stone's (Newton) Infantry. See Vermont Troops, 2nd Regiment.

Stoughton's (Homer R.) Sharpshooters. See Union Troops, Volunteers, 2nd Regiment.

Strain's (Cornelius W.) Infantry. See New Hampshire Troops, 10th Regiment.

Stratton's (Franklin A.) Cavalry. See Pennsylvania Troops, 11th Regiment.

Streight's (Abel D.) Infantry. See Indiana Troops, 51st Regiment.

Stribling's (Robert M.) Artillery. See Fauquier Artillery, ante.

Strickland's (Dudley W.) Infantry. See New York Troops, 48th Regiment.

Strickler's (Michael B.) Cavalry. See Pennsylvania Troops, 20th Regiment.

Strong's (Rollin M.) Infantry. See Wisconsin Troops, 19th Regiment.

Stryker's (Stephen W.) Cavalry. See New York Troops, 18th Regiment.

Sturdivant's (N. A.) Artillery. See Virginia Troops, Confederate.

Sturmfels' (Emil) Infantry. See Union Troops, Veteran Reserve Corps, 24th Regiment.

Sumter Artillery. See Georgia Troops.

Surry Artillery. See Virginia Troops, Confederate.

Sutherland's (Robert J.) Infantry. See Union Troops, Veteran Reserve Corps, 71st Company.

Swain's (James B.) Cavalry. See New York Troops, 11th Regiment.

Swanson's (W. G.) Infantry. See Alabama Troops, 61st Regiment.

Sweitzer's (Nelson B.) Cavalry. See Union Troops, Regulars, 1st Regiment.

Taft's (Elijah D.) Artillery. See New York Troops, 5th Battery.

Taggart's (George W.) Infantry. See West Virginia Troops, 14th Regiment.

Tait's (George F.) Infantry. See Delaware Troops, 1st Regiment.

Talcott's (T. M. R.) Engineers. See Confederate Troops, Regulars, 1st Regiment.