The 64th was intended to be a light artillery regiment, but it was not organized, and the companies selected for it served as independent batteries.
The regiments of the Indiana Cavalry did not sustain all their losses while in the mounted service.
The 8th Cavalry served originally as the 39th Infantry, and part of its losses in battle occurred while in the infantry service.
It fought as infantry at Shiloh
and Stone's River
, its casualties in the latter action amounting to 30 killed, 119 wounded,1
and 231 missing; total, 380.
It was changed to mounted infantry in April, 1863, and to the 8th Cavalry in October, 1863.
The 6th Cavalry also sustained part of its losses before it joined the mounted service, it having served originally as the 71st Infantry, during which it fought at Richmond, Ky.
, where it lost 29 killed, 912
wounded, and 593 missing and captured.
The 21st Infantry was changed to heavy artillery in March, 1863.
Previous to that time it had sustained some heavy losses while acting as infantry, its casualties at the battle of Baton Rouge
aggregating 24 killed, 983
wounded, and 4 missing; total, 126.