Patterson's (William J.) Artillery. See Tennessee Troops, Union, 1st Battalion, Battery E.

Patton's (Samuel K. N.) Cavalry. See Tennessee Troops, Union, 8th Regiment.

Pease's (Phineas) Infantry. See Illinois Troops, 49th Regiment.

Pelham Cadets, Infantry. See Alabama Troops, Confederate.

Perrin's (Hector) Infantry. See Illinois Troops, 7th Regiment.

Peters' (John H.) Cavalry. See Iowa Troops, 4th Regiment.

Pettus Flying Artillery. See MISSISSIPPI Troops, Confederate.

Phillips' (J. W.) Artillery. See John W. Mebane's Artillery, ante.

Pickens (Samuel W.) Cavalry. See Tennessee Troops, Union, 3rd Regiment.

Pierce's (Abial R.) Cavalry. See Iowa Troops, 4th Regiment.

Pinson's (R. A.) Cavalry. See MISSISSIPPI Troops, Confederate, 1st Regiment.

Platt's (Wesley) Artillery. See Illinois Troops, 2nd Regiment, Battery K.

Pointe Coupee Artillery. See Louisiana Troops.

Polley's (James W.) Infantry. See Wisconsin Troops, 14th Regiment.

Powers' (Edwin H.) Infantry. See Ohio Troops, 55th Regiment.

Powers' (Frank P.) See Louisiana Troops.

Preble's (Joshua S.) Heavy Artillery. See Ohio Troops, 1st Regiment.

Prentice's (Clarence J.) Cavalry. See Confederate Troops, Regulars, 7th Battalion.

Prescott's (Mark H.) Artillery. See Illinois Troops, 1st Regiment, Battery C.

Presson's (Reuben B.) Infantry. See Illinois Troops, 28th Regiment.

Preston's (Simon M.) Infantry. See Union Troops, Colored, 58th Regiment.

Price's (Horatio M.) Artillery. See Wisconsin Troops, 7th Regiment.

Prosser's (William F.) Cavalry. See Tennessee Troops, Union, 2nd Regiment.

Ragan's (Zachariah S.) Infantry. See Indiana Troops, 70th Regiment.

Randolph's Scouts. (Official designation no of record.) See --- Randolph.

Rawles' (Jacob B.) Artillery. See Union Troops, Regulars, 5th Regiment, Battery G.

Rawson's (Eugene A.) Infantry. See Ohio Troops, 72nd Regiment.

Ray's (W. Augustus) Infantry. See Wisconsin Troops, 40th Regiment.

Redfield's (James) Infantry. See Iowa Troops, 39th Regiment.

Reed's (Alfred) Cavalry. See Indiana Troops, 12th Regiment.

Reed's (Joseph R.) Artillery. See Iowa Troops, 2nd Battery.

Reed's (Myron W.) Infantry. See Michigan Troops, 18th Regiment.

Reeve's (Arthur T.) Infantry. See Union Troops, Colored, 55th Regiment.

Reeves' (Thomas H.) Infantry. See Tennessee Troops, Union, 4th Regiment.

Rheinlander's (John) Infantry. See Indiana Troops, 25th Regiment.

Rice's (T. W.) Heavy Artillery. See Tennessee Troops, Confederate.

Richardson's (Robert V.) Cavalry. See Tennessee Troops, Confederate.

Richart's (Robert S.) Cavalry. See Indiana Troops, 12th Regiment.

Richman's (Charles H.) Infantry. See Michigan Troops, 10th Regiment.

Rider's (Godfrey, Jr.) Infantry. See Massachusetts Troops, 33rd Regiment.

Ridgway's (S. Paine) Infantry. See Kentucky Troops, Confederate, 3rd Regiment.

Riggs' (Charles R.) Infantry. See Union Troops, Colored, 61st Regiment.

Rinaker's (John I.) Infantry. See Illinois Troops, 122nd Regiment.

Roach's (Thomas K.) Infantry. See Illinois Troops, 137th Regiment.

Roger's (Andrew W.) Infantry. See Illinois Troops, 81st Regiment.

Rowett's (Richard) Infantry. See Illinois Troops, 7th Regiment.

Roy's (William) Heavy Artillery. See Indiana Troops, 1st Regiment.

Russell's (Robert M.) See Tennessee Troops, Confederate.

Ruth's Command. (Official designation not of record.) See Captain Ruth.

Sawyer's (John M.) Cavalry. See Tennessee Troops, Union, 8th Regiment.

Saylor's (Thomas) Infantry. See Michigan Troops, 29th Regiment.

Scaife's (H. F.) Artillery. See Macbeth Artillery, ante.

Shacklett's (Absalom R.) Infantry. See Kentucky Troops, Confederate, 8th Regiment.