Noble's (John W.) Cavalry. See Iowa Troops, 3rd Regiment.

Northup's (George W.) Infantry. See Kentucky Troops, Union, 23rd Regiment.

Norton's (Thomas H.) Infantry. See Union Troops, Regulars, 15th Regiment, 2nd Battalion.

Norwood's (S. J.) Infantry. See Daniel Gober's Mounted Infantry, ante.

Nulton's (Jerome B.) Infantry. See Illinois Troops, 61st Regiment.

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

Oatis' (Martin A.) Infantry. See Mississippi Troops, Confederate, 22nd Regiment.

O'Dowd's (John) Infantry. See Ohio Troops, 181st Regiment.

Ogden's (Frederick N.) Cavalry. See Louisiana Troops, Confederate.

Olson's (Porter C.) Infantry. See Illinois Troops, 36th Regiment.

O'Neal' Regiment. (Official designation not of record.) See -- O'Neal.

Orcutt's (Benjamin F.) Infantry. See Michigan Troops, 25th Regiment.

Orr's (John M.) Infantry. See Indiana Troops, 124th Regiment.

Osborne's (Milton A.) Artillery. See Indiana Troops, 20th Battery.

Owens' (Alfred D.) Infantry. See Indiana Troops, 80th Regiment.

Owens' (James A.) Artillery. See Arkansas Troops, Confederate.

Pace's (Thomas N.) Cavalry. See Indiana Troops, 10th Regiment.

Packard's (Jasper) Infantry. See Indiana Troops, 128th Regiment.

Paddock's (Byron D.) Artillery. See Michigan Troops, 1st Regiment, Battery F.

Paine's (Byron) Infantry. See Wisconsin Troops, 43rd Regiment.

Palmer's (William J.) Cavalry. See Pennsylvania Troops, 15th Regiment.

Palmetto Battalion, Artillery. See South Caroline Troops.

Parker's (George W.) Infantry. See Indiana Troops, 79th Regiment.

Park's (R. P.) Mounted Rifles. See Arkansas Troops, Confederate, 1st Regiment (Rifles).

Parrish's (Charles S.) Infantry. See Indiana Troops, 130th Regiment.

Parrson's (Edwin B.) Infantry. See Wisconsin Troops, 24th Regiment.

Patterson's (Michael L.) Infantry. See Tennessee Troops, Union, 4th Regiment.

Pease's (George W.) Infantry. See Tennessee Troops, Confederate, 4th (P. A.), 6th, 9th, and 50th Regiments.

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

Pease's (William H.) Artillery. See Ohio Troops, 1st Regiment, Battery F.

Pegg's (Samuel M.) Infantry. See Mississippi Troops, Confederate, 27th Regiment.

Pelham Cadets, Infantry. See Alabama Troops, Confederate.

Pepper's (William T.) Cavalry. See Indiana Troops, 13th Regiment.

Perry's (Thomas J.) Artillery. See Marion Artillery, ante.

Pettus Flying Artillery. See Mississippi Troops, Confederate.

Peyton's (E. A.) Cavalry. See Troops, Confederate.

Phelan's (John) Artillery. See William H. Fowler's Artillery, ante.

Phifer's (W. L.) Infantry. See Arkansas Troops, Confederate, 9th Regiment.

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

Pickands' (Henry S.) Infantry. See Ohio Troops, 103rd Regiment.

Pickands' (James) Infantry. See Ohio Troops, 124th Regiment.

Pickett's (Richard O.) Cavalry. See Alabama Troops, Confederate, 10th Regiment.

Picolet's (Arthur) Infantry. See Louisiana Troops, Confederate, 30th Regiment.

Pointe Coupee Artillery. See Louisiana Troops, Confederate.

Pollard's (Andrew M.) Infantry. See Illinois Troops, 38th Regiment.

Pope's (Henry) Infantry. See Mississippi Troops, Confederate, 7th and 9th Regiments.

Porter's (George L.) Heavy Artillery. See Minnesota Troops, 1st Regiment, Battery C.

Poteet' (George A.) Infantry. See Illinois Troops, 115th Regiment.

Powers' (Frank P.) Cavalry. See Louisiana Troops, Confederate.

Preth's (Allen W.) Infantry. See Indiana Troops, 120th Regiment.