Roessel's (Oswald A.) Artillery. See Missouri Troops, Union, 2nd Regiment, Battery B.

Ross' (Edmund G.) Cavalry. See Kansas Troops, 11th Regiment.

Ruess' (John) Infantry. See Indiana Troops, 8th Regiment.

Rundlett's (Taylor T.) Infantry. See Massachusetts Troops, 38th Regiment.

Rupp's (John) Infantry. See Missouri Troops, Union, 1st Regiment, State Militia.

Rust's (Henry, jr.) Infantry. See Maine Troops, 13th Regiment.

Ruttkay's (Albert) Cavalry. See Florida Troops, Union, 1st Regiment.

Ryan's (Abraham H.) Cavalry. See Arkansas Troops, Union, 3rd Regiment.

Sackett's (Erastus) Infantry. See Missouri Troops, Union, 69th Regiment, Enrolled Militia.

Sanborn's (George L.) Cavalry. See Colorado Troops, 1st Regiment.

Sanford's (James P.) Infantry. See Iowa Troops, 47th Regiment.

Sargent's (Lorenzo D.) Cavalry. See Massachusetts Troops, 3rd Regiment.

Sayles' (Frank) Cavalry. See Headquarters Troops, Department of teh Gulf, ante.

Schaerff's (Charles) Artillery. See Missouri Troops, Union, 2nd Regiment, Battery D.

Schluter's (Herman) Infantry. See Wisconsin Troops, 9th Regiment.

Schmidt's (Adolph) Cavalry. See New York Troops, 14th Regiment.

Schreyer's (Gustavus) Cavalry. See Missouri Troops, Union, 1st Regiment.

Scott County Enrolled Militia. See Missouri Troops, Union.

Scott's Nine Hundred, Cavalry. See New York Troops, 11th Regiment.

Searle's (Elhanon J.) Infantry. See Arkansas Troops, Union, 1st Regiment.

Sears' (Francis A.) Infantry. See Indiana Troops, 67th Regiment.

Sears' (John J.) Infantry. See Union Troops, Colored, 72nd Regiment.

Sharpe's (Jacob) Infantry. See New York Troops, 156th Regiment.

Shaurman's (Nelson) Infantry. See New York Troops, 90th Regiment.

Shaw's (Richard G.) Artillery. See Union Troops, Colored, 8th (11th) Regiment.

Sheldon's (Lionel A.) Infantry. See Ohio Troops, 42nd Regiment.

Sherburne's (John P.) Cavalry. See New York Troops, 11th Regiment.

Shinn's (John B.) Artillery. See Union Troops, Regulars, 3rd Regiment, Battery A.

Shipley's (Samuel D.) Infantry. See Massachusetts Troops, 30th Regiment.

Shoemaker's (William R.) Ordnance. See Union Troops, Regulars.

Shortlidge's (Allen) Infantry. See Union Troops, Veteran Reserve Corps.

Shoup's (George L.) Cavalry. See Colorado Troops, 1st Regiment.

Shumate's (Daniel) Cavalry. See Missouri Troops, Union, 1st Regiment, State Militia.

Shunk's (David) Infantry. See Indiana Troops, 8th Regiment.

Sigel's (Albert) Cavalry. See Missouri Troops, Union, 5th Regiment, State Militia.

Silsby's (Frank) Infantry. See New York Troops, 75th Regiment.

Simmons' (Abram W.) Heavy Artillery. See Indiana Troops, 1st Regiment, Battery A.

Simon's (Henry) Heavy Artillery. See Union Troops, Colored, 8th (11th) Regiment.

Simpson's (Benjamin F.) Cavalry. See Kansas Troops, 15th Regiment.

Simpson's (Preston) Infantry. See Missouri Troops, Union, 82nd Regiment, Provisional Enrolled Militia.

Slocum's (Willard) Infantry. See Ohio Troops, 120th Regiment.

Smart's (John C.) Infantry. See New York Troops, 90th Regiment.

Smith's Independent Scouts. (Official designation not of record.) See Captain Smith.

Smith's (Edward A.) Artillery. See Kansas Troops, 2nd Battery.

Smith's (James K.) Infantry. See Indiana Troops, 18th Regiment.

Smith's (John J.) Pontoniers. See Union Troops, Volunteers, 1st Company.

Smith's (N. H.) Engineers. See Confederate Troops, Regulars, 1st Battalion.

Smith's (Randall) Infantry. See Arkansas Troops, Union, 1st Regiment.

Snyder's (John R.) Militia. See Buchanan County Enrolled Militia, ante.

Southworth's (Irving D.) Artillery. See New York Troops, 25th Battery.

Speed's (Charles) Infantry. See Union Troops, Regulars, 5th Regiment.