THE OPPOSING FORCES AT CHICKAMAUGA, GA.September 19th - 20th, 1863.

For much of the information contained in this list and in similar lists to follow, the editors are indebted (in advance of the publication of the " Official Records ") to Brigadier-General Richard C. Drum, Adjutant-General of the Army. K stands for killed ; w for wounded ; m w for mortally wounded ; m for captured or missing ; c for captured.

THE UNION ARMY.

ARMY OF THE CUMBERLAND-Major-General William S. Rosecrans.

General Headquarters: 1st Battalion Ohio Sharpshooters, Capt. Gershom M. Barber; 10th Ohio Infantry, Lieut.-Col. William M. Ward; 15th Pa. Cav., Col. William J. Palmer. Loss : w, 2 ; m, 4 = 6.

FOURTEENTH ARMY CORPS, Maj.-Gen. George H. Thomas. Staff loss : m, 1.

Escort : L, 1st Ohio Cav., Capt. John D. Barker.

FIRST DIVISION, Brig.-Gen. Absalom Baird.

First Brigade, Col. Benjamin F. Scribner: 38th Ind., Lieut.-Col. Daniel F. Griffin ; 2d Ohio, Lieut.-Col. Obadiah C. Maxwell (w), Maj. William T. Beatty (w and c), Capt. James Warnock ; 33d Ohio, Col. Oscar F. Moore; 94th Ohio, Maj. Rue P. Hutchins ; 10th Wis., Lieut: Col. John H. Ely (m w and c), Capt. Jacob W. Roby. Brigade loss: k, 55; w, 254; m, 423=732. Second Brigade, Brig.-Gen. John C. Starkweather : 24th Ill., Col. Geza Mihalotzy (w), Capt. August Mauff; 79th Pa., Col. Henry A. Hambright; 1st Wis., Lieut.-Col. George B. Bingham; 21st Wis., Lieut.-Col. Harrison C. Hobart (w), Capt. Charles H. Walker. Brigade loss : k, 65 ; w, 285 ; m, 256 = 606. Third Brigade, Brig.-Gen. John H. King : 1st Battalion 15th U. S., Capt. Albert B. DOD; 1st Battalion 16th U. S., Maj. Sidney Coolidge (k), Capt. Robert E. A. Crofton ; 1st Battalion 18th U. S., Capt. George W. Smith; 2d Battalion 18th U. S., Capt. Henry Haymond; 1st Battalion 19th U. S., Maj. Samuel K. Dawson (w), Capt. Edmund L. Smith. Brigade loss : k, 61 ; w, 255 ; m, 523 = 839. Artillery: 4th Ind. (Second Brigade), Lieut. David Flansburg (w and c), Lieut. Henry J. Willits ; A, 1st Mich. (First Brigade), Lieut. George W. VanPelt (k), Lieut. Almerick W. Wilber ; H, 5th U. S. (Third Brigade), Lieut. Howard M. Burnham (k), Lieut. Joshua A. Fessenden (w). Artillery loss included in that of brigades.

SECOND DIVISION, Maj.-Gen. James S. Negley.

First Brigade, Brig.-Gen. John Beatty ; 104th Ill., Lieut.-Col. Douglas Hapeman; 42d Ind., Lieut.-Col. William T. B. McIntire; 88th Ind., Col. George Humphrey ; 15th Ky., Col. Marion C. Taylor. Brigade loss : k, 17 ; w 189 ; m, 104 = 310. Second Brigade, Col. Timothy R. Stanley (w), Col. William L. Stoughton : 19th Ill., Lieut.-Col. Alexander TV. Raffen ; 11th Mich., Col. William L. Stoughton, Lieut.-Col. Melvin Mudge (w) ; 18th Ohio, Lieut.-Col. Charles H. Grosvenor. Brigade loss : k, 20 ; w, 146; m, 49=215. Third Brigade, Col. William Sirwell: 37th Ind., Lieut.-Col. William D. Ward; 21st Ohio, Lieut.-Col. Dwella M. Stoughton (m w ), Maj. Arnold McMahan (w) Capt. Charles H. Vantine; 74th Ohio, Capt. Joseph Fisher; 78th Pa.; Lieut.-Col. Archibald Blakeley. Brigade loss : k, 29 ; w, 95 ; m, 142 = 266. Artillery : Bridges's Ill. Battery (First Brigade), Capt. Lyman Bridges; G, 1st Ohio (Third Brigade), Capt. Alexander Marshall; M, 1st Ohio (Second Brigade), Capt. Frederick Schultz.

Artillery loss included in brigades to which attached.

THIRD DIVISION, Brig.-Gen. John M. Brannan. Staff loss : w, 1.

First Brigade, Col. John M. Connell: 82d Ind., Col. Morton C. Hunter; 17th Ohio, Lieut.-Col. Durbin Ward (w) ; 31st Ohio, Lieut.-Col. Frederick W., Lister. Brigade loss: k, 49; w, 323; m, 70=442. Second Brigade, Col. John T. Croxton (w), Col. William H. Hays : 10th Ind., Col. William B. Carroll (m w), Lieut.-Col. Marsh B. Taylor; 74th Ind., Col. Charles W. Chapman, Lieut.-Col. Myron Baker ; 4th Ky., Lieut.-Col. P. Burgess Hunt (w), Maj. Robert M. Kelly 10th Ky., Col. William H. Hays, Maj. Gabriel C. Wharton ; 14th Ohio, Lieut.-Col. Henry D. Kingsbury. Brigade loss : k, 131 ; w, 728 ; m, 79 = 938. Third Brigade, Col. Ferdinand Van Derveer: 87th Ind., Col. Newell Gleason ; 2d Minn., Col. James George; 9th Ohio, Col Gustave Kammerling; 35th Ohio, Lieut.-Col. Henry V. N. Boynton. Brigade loss : k, 144 ; w, 594; m, 102=840. Artillery: D, 1st Mich. (First Brigade), Capt. Josiah W. Church; C, 1st Ohio (Second Brigade), Lieut. Marco B. Gary ; I, 4th U. S. (Third Brigade), Lieut. Frank G. Smith. Artillery loss included in brigades to which attached.

FOURTH DIVISION, Maj.-Gen. Joseph J. Reynolds. Staff loss: w, 1; m, 1=2.

First Brigade,(1) Col. John T. Wilder : 92d Ill., Col. Smith D. Atkins ; 98th Ill., Col. John J. Funkhouser (w), Lieut.-Col. Edward Kitchell ; 128th Ill., Col. James Monroe; 17th Ind., Maj. William T. Jones ; 72d Ind., Col. Abram O. Miller. Brigade loss : k, 13 ; w, 94 ; m, 18 = 125. Second Brigade, Col. Edward A. King (k), Col. Milton B. Robinson : 68th Ind., Capt. Harvey J. Espy (w) ; 75th Ind., Col. Milton S. Robinson, Lieut.-Col. William O'Brien; 101st Ind., Lieut.-Col. Thomas Doan; 105th Ohio, Maj. George T. Perkins (w). Brigade loss : k, 50 ; w, 363 ; m, 71 = 484.

Third Brigade, Brig.-Gen. John B. Turchin : 18th Ky., Lieut.-Gol. H. Kavanaugh Milward (w), Capt. John B. Heltemes ; 11th Ohio, Col. Philander P. Lane ; 36th Ohio, Col. William G. Jones (k), Lieut.-Col. Hiram F. Duvall ; 92d Ohio, Col. Benjamin D. Fearing (w), Lieut.-Col. Douglas Putman, Jr. (w). Brigade loss : k, 30 ; w, 227 ; m, 86=343. Artillery: 18th Ind. (First Brigade), Capt. Eli Lilly ; 19th Ind. (Second Brigade), Capt. Samuel J. Harris (w), Lieut. Robert G. Lackey; 21st Ind. (Third Brigade), Capt. William W. Andrew. Artillery loss included in brigades to which attached.

TWENTIETH ARMY CORPS, Maj.-Gen. Alexander McD. McCook.

Provost-Guard : H, 81st Ind., Capt. Will'm J. Richards.

Escort: I, 2d Ky. Cav., Lieut. George W. L. Batman.

FIRST DIVISION, Brig.-Gen. Jefferson C. Davis.

Second Brigade, Brig.-Gen. William P. Carlin : 21st Ill., Col. John W. S. Alexander (k), Capt. Chester K. Knight ; 38th Ill., Lieut.-Col. Daniel H. Gilmer (k), Capt. Willis G. Whitehurst ; 81st Ind., Capt. Nevil B. Boone, Maj. James E. Calloway; 101st Ohio, Lieut.-Col. John Messer (w), Maj. Bedan B. McDanald (w), Capt. Leonard D. Smith; 2d Minn. Batt'y, (2) Lieut. Albert Woodbury (m w), Lieut. Richard L. Dawley. Brigade loss : k, 54; w, 299; m, 298=6,51. Third Brigade, Col. Hans G. Heg (k), Col. John A. Martin : 25th Ill., Maj. Samuel D. Wall (w), Capt. Wesford Taggart ; 35th Ill., Lieut.-Col. William P. Chandler; 8th Kans., Col. John A. Martin, Lieut.-Col. James L. Abernethy ; 15th Wis., Lieut.-Col. Ole C. Johnson (c) ; 8th Wis. Batt'y, Lieut. John D. McLean. Brigade loss : k, 70 ; w, 519 ; m, 107 = 696.

SECOND DIVISION, Brig.-Gen. Richard W. Johnson. Staff loss : k, 1 ; m, 2 = 3.

First Brigade, Brig.-Gen. August Willich: 89th 111., Lieut.-Col. Duncan J. Hall (k), Maj. William D. Williams 32d Ind., Lieut.-Col. Frank Erdelmeyer; 39th Ind., (1) Col. Thomas J. Harrison ; 15th Ohio, Lieut.-Col. Frank Askew ; 49th Ohio, Maj. Samuel F. Gray (w). Capt. Luther M. Strong; A, 1st Ohio Art'y, Capt. Wilbur. Goodspeed. Brigade loss : k, 63 ; w, 355 ; m, 117 = 535.

Second Brigade, Col. Joseph B. Dodge : 79th Ill., Col. Allen Buckner ; 29th Ind., Lieut.-Col. David M. Dunn ; 30th Ind., Lieut.-Col. Orrin D. Hurd ; 77th Pa., Col. Thomas E. Rose (c), Capt. Joseph J. Lawson; 20th Ohio Battery , Capt. Edward Grosskopff. Brigade loss : k, 27 ; w, 200 ; m, 309 = 536. Third Brigade, Col. Philemon P. Baldwin (k), Col. William W. Berry : 6th Ind., Lieut.-Col.

(1)Detached and serving as mounted infantry

(2) Captain William A. Hotchkiss, chief of division artillery.