Ohio, troops of. Regiments: Third, 173; Fourth, 116; Fifth, 116; Sixth, 105, 158, 166; Twentieth, 44, 48, 56, 62, 116, 163, 174, 175, 177; Twenty-fourth, 105, 158; Twenty-seventh, 70, 71; Thirty-ninth, 70, 71, 75; Forty-first, 165; Forty-third, 70, 86; Forty-sixth, 53, 96, 114, 133, 140; Forty-seventh, 53; Forty-eighth, 114, 134, 155, 162, 173; Forty-ninth, 172; Fifty-third, 102, 114, 126, 127, 128, 130, 134, 139, 172, 173; Fifty-fourth, 114, 148, 149; Fifty-sixth, 116, 163; Fifty-seventh, 102, 114, 126, 128, 129, 130, 134, 173; Fifty-eighth, 44, 53, 116; Sixty-third, 70; Sixty-eighth, 116, 163; Seventieth, 114, 129, 134; Seventy-first, 114, 148, 173; Seventy-second, 114; Seventy-sixth, 44, 53, 113, 175; Seventy-seventh, 114, 117, 126, 128, 129, 130, 134, 173; Seventy-eighth, 116; Eighty-first, 113, 134, 139, 143, 163, 172, 173, 178. Batteries: Fifth, 103, 115; Eighth (Margraff's), 115; Eleventh (Sands'), 70; Thirteenth (Myers'), 115, 150 Osage River, the, 10 Osceola, Mo., 10 Osterhaus, Colonel, 14 Otterville, Mo., 11 Owl Creek, 99, 132, 160, 167, 170, 174 Paducah, Ky., 18 Paine, General, 86 Palmer, General J.N., 69, 70 Palmyra, Mo., 8 _Patriot_, the Nashville, cited, 60, 61 Peabody, Colonel, 122, 141 Pearce, General, 4 Pea Ridge, battle of, 12, 13 et seq. Perczell, Colonel N., 70 Phelps, Lieutenant, 30 Pillow, Fort, 19, 66, 80 (see Artillery) Pillow, General G.H., 21; at Fort Donelson, 36, 45 et seq.; his advice in the Council at Fort Donelson, 57; leaves Fort Donelson, 59 Pilot Knob, Mo., 16 "Pittsburg," the, 46 Pittsburg Landing, Tenn., 130 et seq., 162, 163, 181; selected as the place of assembly of the army in West Tennessee, 99 Pleasant Point, Tenn., 79 Plummer, Colonel J.B. (afterward General), 17, 69, 70 Polk, General Leonidas, 18, 19, 128, 161, 169, 170; evacuates Columbus, 66; occupies Island Number Ten, 68 Pond, Colonel, 160, 169, 174 Pond, General, 129 Pope, General John, 7, 9, 10; made Major-General, 65; appointed to command the force against New Madrid and Island Number Ten, 66; lands at Commerce, 69; his conduct of the New Madrid campaign, 74 et seq.; goes into camp at Hamburg, 183; commands left wing of the Army of the Mississippi, 184; advances from Hamburg, 186; occupies Farmington, 187, 189, 190; pushes on to Corinth, 191 Porter, Captain (afterward Commodore and Admiral), at Fort Henry, 30, 60 Powell, General, 142 Prentiss, General, at Pittsburg Landing, 102 et seq.; referred to, 158, 159; his loss in guns, 181 Price, General Sterling, 1, 2 et seq.; 7, 8, 10 et seq., 184 Pride, Colonel, 131 Pugh, Colonel, 151, 154 Purdy road, 136 Purdy, Tenn., 101 Raith, Colonel, 129 Rawlins, Captain (afterward General), 53 Reardon, Colonel, 134 Reelfoot, Lake, 67 Rice, Lieutenant-Colonel, 130 Rienzi, 190 Rolla, Mo., 4, 7, 12