Departure of gunboats.
The last of the several gunboats which have been prowling about James river
for a week past reached Newport News, in the vicinity of Fortress Monroe
, Monday evening last.
Last Tuesday night two of the monitors in the river came up as far as Haxall
's, this side of City Point
, and made fast to the wharf there.
They fired guns during the night as a signal for the negroes, many of whom went off to them, including 15 belonging to Mr. Hill Carter
During the night the Yankees
placed torpedoes in the river.