Nutt's (L. M.) Cavalry. See Louisiana Troops.

Ochiltree's (W. B.) Infantry. See Texas Troops, 18th Regiment.

O'Connell's (John) Artillery. See Missouri Troops, Union, 1st Regiment, Battery K.

Offley's (Robert H.) Infantry. See Union Troops, Regulars, 1st Regiment.

Orr's (Simon P.) Infantry. See Illinois Troops, 61st Regiment.

O'Neil's (J. M.) Cavalry. See Arkansas Troops, Confederate, 1st Regiment, Trans-Mississippi Department.

Opdyke's (Henry H.) Artillery. See Kansas Troops.

Orr's (W. F.) Cavalry. See Arkansas Troops, Union, 2nd Regiment.

Ostermayer's (Peter) Cavalry. See Missouri Troops, Union, 5th Regiment, State Militia (new).

Pace's (Thomas N.) Cavalry. See Indian Troops, 1st Regiment.

Palmer's (Henry E.) Infantry. See Kansas Troops, 11th Regiment.

Pardee's Militia. See Linn County Militia.

Parke's (Lemuel) Infantry. See Illinois Troops, 99th Regiment.

Parker's (John H.) Cavalry. See Minnesota Troops, 12th Regiment.

Parsons' (W. H.) Cavalry. See Texas Troops, 41st Regiment.

Patterson's (Robert F.) Infantry. See Iowa Troops, 29th Regiment.

Peabody's (Albert P.) Cavalry. See Missouri Troops, Union, 1st Regiment.

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

Peebles' (Hubert F.) Infantry. See Iowa Troops, 32nd Regiment.

Peoria Artillery. See Illinois Troops, 2nd Regiment, Battery A.

Penick's (William R.) Cavalry. See Missouri Troops, Union, 5th Regiment, State Militia (old).

Philips' (John F.) Cavalry. See Missouri Troops, Union, 7th Regiment, State Militia.

Phillips (G. B.) Infantry. See Missouri Troops, Union, 74th Regiment, Enrolled Militia.

Phillips' (William A.) Infantry. See Indian Troops, Union, 3rd Regiment, Home Guards.

Pickett's (A. C.) Infantry. See A. E. Steen's Infantry.

Pindall's (L. A.) Sharpshooters. See Missouri Troops,l Confederate. Pinger's (John) Cavalry. See Missouri Troops, Union, 5th Regiment, State Militia (old).

Pleasants' (J. C.) Infantry. See Arkansas Troops, Confederate, 29th Regiment.

Plumb's (P. B.) Infantry. See Kansas Troops, 11th Regiment.

Plumb's (William) Cavalry. See Missouri Troops, Union, 6th Regiment, state Militia.

Poole's (Frederick R.) Cavalry. See Missouri Troops, Union, 2nd Regiment, State Militia.

Portlock's (E. E., jr.) See Arkansas Troops, Confederate, 24th Regiment.

Pound's (John) Cavalry. See Missouri Troops, Union, 14th Regiment, State Militia.

Pratt's (J. H.) Artillery. See Texas Troops.

Preston's (William J.) Cavalry. See Missouri Troops, Confederate, 4th Regiment.

Preuitt's (Valentine) Cavalry. See Missouri Troops, Union, 1st Regiment.

Priest's (Albert G.) Cavalry. See Missouri Troops, Union, 2nd Regiment, State Militia.

Quantrill's (W. C.) Cavalry. See Missouri Troops, Confederate.

Rabb's (John W.) Artillery. See Indiana Troops, 2nd Battery.

Randal's (Horace) Cavalry. See Texas Troops, 28th Regiment.

Randall's (H. S.) Cavalry. See Missouri Troops, Confederate, 3rd Regiment.

Randolph's (J. L.) Cavalry. See Texas Troops.

Randolph's (Joseph) Infantry. See Kansas Troops, 8th Regiment.

Ransom's (Wyllis C.) Cavalry. See Kansas Troops, 6th Regiment.

Rathbun's (George S.) Cavalry. See Missouri Troops, Confederate, 5th Regiment.

Ray County Militia. See Missouri Troops, Union, 51st Regiment, Enrolled Militia.

Ray's (J.) Infantry. See Iowa Troops, 18th Regiment.

Raynor's (William H.) Infantry. See Ohio Troops, 56th Regiment.

Reber's (Van Buren S.) Artillery. See Missouri Troops, Union, 2nd Regiment, Battery E.

Reed's (John H.) Cavalry. See Missouri Troops, Union, 3rd Regiment.

Reed's (Thomas B.) Cavalry. See Missouri Troops, 9th Regiment, State Militia.