complete his portion of the plan of the advance which has now been determined upon.
Gen. McClellan has returned with his staff from the scene of operations to Washington, and, if the weather admits it, he will no doubt make a forward movement on his right next week.
But as I have only just arrived and have not yet visited the camps, I cannot tell what changes have really taken place, though I hear that Heintzelman, who occupies the left of the Federal line, in front of Alexandria, and Flizjohn Porter, who lay almost on the right of the winter cantonments of the army of the Potomac towards Vienna, have moved their divisions.
It is hoped that these demonstrations may shake the enemy's line, and induce him to move out from his supposed strongly fortified lines near Centreville.
He certainly cannot suffer the Manassas railroad to fall into the hands of the Federals without much inconvenience.
The roads are now frozen hard, but a thaw will turn them into mud, and snow, a fall of w