Latest from the South.
The following unofficial dispatch from the telegraphic Superintendent at Martinsburg, was received at the War Department last night:
Gen. Lee's army at Hagerstown.
Hagerstown, eighteen miles from Gettysburg, and seven miles from the Potomac. There has been but little fighting since then So far the victory is on our side. We can now hear and the part to that a fight is now going on at Everything to form a correct idea of the fight. Four thousand prisoners are now at Williamsport, on their way to Richmond. Many of those who were slightly wounded were paroled to day.