arpsburg at five o'clock, and
marched halfway to Maryland Heights, going to camp late at night. The
Second and Twelfth corps occupy the place.

_Thursday, July 16._--The battery followed the canal road, passed Harper's
Ferry, Sandy Hook, and went to camp in Pleasant Valley. All these places
are full of our troops. Marched two hundred and fifty-six miles since the
fourteenth of June. The engineers are laying pontoons at Berlin and
Harper's Ferry. Iron-clad cars, with a howitzer in each, are running
between Washington and Harper's Ferry. News of the surrender of Port
Hudson, and the occupation of Morris Island, near Charleston, by our
troops.

_Friday, July 17._--Camp in Pleasant Valley. At rest for the day.

_Saturday, July 18._--Left Pleasant Valley at six o'clock A. M. The Second
and Third corps crossed the Potomac to Harper's Ferry on pontoons, and the
Shenandoah river on the trestlework bridge. Marched eight miles into
Loudon Valley, going in camp.

_Sunday, July 19._--Loudon Valley. New clothes were issued to the battery.
We started at six o'clock A. M., marching only four miles. The country
abounds in delicious blackberries.

_Monday, July 20._--Marched ten miles on the Leesburg turnpike, and camped
outside of Bloomfield.

_Tuesday, July 21._--Camp at Bloomfield. Captain McMahon is to be shot
to-morrow for killing Captain McManners.

_Wednesday, July 22._--Bloomfield, Virginia. Started by one o'clock P. M.
Marched through Upperville by six, and Paris by seven o'clock in the
evening, going to camp at the foot of Ashby Gap. Marched eight miles
to-day. Captain McMahon's sentence to be shot, has been changed by
President Lincoln to ten years in the State Prison. The Fifth Regular
cavalry met the rebels at Manassas Gap.

_Thursday, July 23._--Left Ashby Gap early, marching on the mountain road,
leading to Front Royal. Arrived at Markham's Station, on the Manassas Gap
Railroad, by three o'clock P. M. Passed Linden at five. The Stone Church
there is full of our wounded from the engagement two days previous. The
Third corps engaged the enemy during the day. We went to park at eight
o'clock P. M., in Manassas Gap, near the village of Petersburg. The Fifth
corps is ahead of the Second. We marched twelve miles to-day.

_Friday, July 24._--A desperate fight took place on Wapping Heights
yesterday. Our infantry under General Spinola charged the enemy three
times. Lee's army is marching towards Culpepper Court House. T