will leave with one on a steamer, which will be anchored in the river, while he makes his reconnaissances, and watches the movements of the rebels on the Virginia shore.
For the management of the five balloons, sixteen wagons, 85 horses, and six hundred men, exclusive of those on the boat, are employed.
Affairs in Alexandria.
The election for corporate authorities at Alexandria, to displace the present disloyal incumbents, is fixed for the 20th inst. Wm. Arnold, Lewis McKenzie, Stephen Shinn, and Henry Mansfield, are the Commissioners appointed to conduct the election.
The prominent citizens of Alexandria arrested on suspicion of holding an election for member of the rebel Congress have been dismissed, for the want of evidence to convict them.
The amount of property of rebel debtors seized and held by the Provost Judge of Alexandria is over twenty thousand dollars. It is held by an order issued by General McClellan.
It is believed by many in high position, who