2nd Illinois Light, Battery A, Captain Herman Borris.
1st Indiana Heavy (section), Lieutenant Robert H. Rhea.
7th Michigan Battery, Lieutenant George L. Stillman.
1th Wisconsin Battery, Lieutenant Daniel Webster.
Major General FRANCIS J. HERRON.
Colonel JOHN C. BLACK.
37th Illinois, Captain Ransom Kennicott.
91st Illinois, Colonel Henry M. Day.
26th Indiana, Colonel John G. Clark.
38th Iowa, Lieutenant Colonel Joseph O. Hudnutt.
1st Missouri Light Artillery, Battery E, Captain Joseph B. Atwater.
Colonel HENRY BERTRAM.
94th Illinois, Lieutenant Colonel Rankin G. Laughlin.
19th Iowa, Major John Bruce.
20th Wisconsin, Major Augustus H. Pettibone.
1st Missouri Light Artillery, Battery B, Captain Martin Welfley.
Brigadier General THOMAS E. G. RANSOM.
Colonel WILLIAM J. LANDRAM.
77th Illinois, Major Memoir V. Hotchkiss.
60th Indiana, Lieutenant Colonel Augustus Goelzer.
67th Indiana, Major Francis A. Sears.
19th Kentucky, Major Josiah J. Mann.
96th Ohio, Colonel Joseph W. Vance.
23rd Wisconsin, Major Joseph E. Greene.
Colonel HENRY RUST, jr.
130th Illinois, Major John B. Reid.
20th Iowa, Major William G. Thompson.
34th Iowa, Lieutenant Colonel Warren S. Dungan.
13th Maine, Lieutenant Colonel Frank S. Hesseltine.
15th Maine, Colonel Isaac Dyer.
48th Ohio, Captain John A. Bering.
Captain PATRICK H. WHITE.
Chicago Mercantile Battery, Captain Patrick H. White.
1st Missouri Light Battery F, Captain Joseph Foust.
17th Ohio Battery, Captain Charles S. Rice.
1st Engineers, Corps d'Afrique, Colonel Justin Hudge.
2nd Engineers, Corps d'Afrique, Colonel John C. Cobb.
3rd Engineers, Corps d'Afrique (four companies), Lieutenant Archelus M. Conrad.
16th Infantry, Corps d'Afrique, Colonel Matthew C. Kempsey.
Kentucky Engineers (one company), Captain William F. Patterson.
*According to return of Artillery Brigade, Thirteenth Army Corps (Major Adolph Schwartz commanding); but the division returns report the Indiana, 7th Michigan, and 16th Ohio Batteries.
+At Brownsville, Tex. Major-General Herron assigned January 3, his command embracing all U. S. forces on the Rio Grande.
++At Decrow's Point, Tex. Brigadier-General Ransom assigned to command January 4.
@At Brownsville, Fort Esperanza, Matagorda Island, Pass Cavallo, and Point Isabel.