CITY POINT, VA., July 31, 1864.

Brigadier General G. WEITZEL:

Transportation will be furnished for the Eighteenth Indiana Regiment.

RUFUS INGALLS,

Brigadier-General and Chief Quartermaster.

JULY 31, 1864.

Captain NORTON:

The following message signaled from the enemy's station on west bank of James River near Cox's Ferry was read by Lieutenant Ireland to-day:

Flag Officer MITCHELL:

Grant sprung a mine at Petersburg at 5 a.m. yesterday; charged and took our line. Mahone with his own and Wright's recaptured the works and took General Bartlett and staff, 75 commissioned officers, 900 prisoners, 12 stand colors, also recaptured the party which was taken. Five hundred Yankee dead are in the trenches. This is official.

SMITH,

Major

Also a number of other unimportant messages. No movements of troops seen.

G. S. DANA,

Captain, Signal Corps, U. S. Army.

JULY 31, 1864-7.50 a.m.

Captain NORTON:

A large wagon train with cavalry escort is passing over Chaffin's farm, going west.

G. S. DANA,

Captain, Signal Corps, U. S. Army.

SPRING HILL, July 31, 1864-8 a.m.

Captain NORTON:

A train of ten cars heavily loaded with troops just passed the Junction, going toward Petersburg.

SIMONS,

Lieutenant and Signal Officer.

HDQRS. DEPT. OF VIRGINIA AND NORTH CAROLINA,
OFFICE OF THE CHIEF SIGNAL OFFICER,

July 31, 1864-10.45 a.m.

Brigadier-General WEITZEL,

Chief of Staff:

GENERAL: The signal officer at Walthall house states that the enemy's signal officers report that bodies of infantry are moving toward City Point this a.m.

Very respectfully, &c.,

L. B. NORTON,

Captain and Chief Signal Officer.