AT the annual reunion of survivors of the 31st Regt. of Ills. Vols. held at Marion, Ills., Sept. 7-8, 1898, the undersigned were selected to write a history of the regiment from its organization to muster out of service at the close of the civil war. In the discharge of this duty, the committee realized that something more than biography was intended by the association; hence the book contains a connected narrative of the military operations in which the regiment was engaged.
This regiment was organized by John A. Logan, in August, 1861, and went into camp at Camp Dunlap, from thence it was sent to Cairo, and mustered into service Sept. 18, 1861. The men met the enemy for the first time at Belmont, Nov. 7, within less than two months after their muster into the U. S. service, and again at Forts Henry and Donelson, in February, 1862. After the fall of these strongholds, it was engaged with the army under Gen. Helleck in the siege of Corinth, and then spent the summer of 1862 in West Tennessee, guard