Organized at Taunton and mustered in June 15, 1861.
Ordered to Washington, D. C., July 14-15, and camp at Kalorama Heights till August 6.
Attached to Couch's Brigade, Division of the Potomac, to October, 1861.
Couch's Brigade, Buell's (Keyes') Division, Army of the Potomac, to March, 1862.
1st Brigade, 1st Division, 4th Army Corps, Army of the Potomac, to September, 1862.
1st Brigade, 3rd Division, 6th Army Corps, Army of the Potomac, to October, 1862.
2nd Brigade, 3rd Divisse.
Total 278.
10th Massachusetts Regiment Infantry.
Organized at Springfield June 21, 1861.
Moved to Washington, D. C., July 25-28.
Attached to Couch's Brigade, Division of the Potomac, to October, 1861.
Couch's Brigade, Buell's (Keyes') Division, Army of the Potomac, to March, 1862.
1st Brigade, 1st Division, 4th Army Corps, Army of the Potomac, to September, 1862.
1st Brigade, 3rd Division, 6th Army Corps, to October, 1862.
2nd Brigade, 3rd Division, 6th Army Corps,
rch, Va., till June.
Fairfax Court House June 17.
Attached to Keyes' Brigade, Tyler's Division, McDowell's Army of Northeast Virginia.
.
Left State for Washington, D. C., July 2, 1861.
Attached to Keyes' Brigade, Division of the Potomac, to October, 1861.
Keyes' BrigKeyes' Brigade, McDowell's Division, Army of the Potomac, to January, 1862.
Augur's Brigade, McDowell's Division, Army of the Potomac, to March, 186228, 1861.
Attached to Defenses of Washington to August, 1861.
Keyes' Brigade, Division of the Potomac, to October, 1861.
Keyes' BrigKeyes' Brigade, McDowell's Division, Army of the Potomac, to March, 1862.
Augur's Brigade, King's 3rd Division, 1st Army Corps, Army of the Potomac, ivision, McDowell's Army of Northeast Virginia, to August, 1861.
Keyes' Brigade, Division of the Potomac, to October, 1861.
Keyes' BrigKeyes' Brigade, McDowell's Division, Army of the Potomac, to March, 1862.
1st Brigade, 3rd Division, 1st Army Corps, Army of the Potomac, to April, 1