The Louisville Courier, having been found to be an advocate of treasonable hostility to the Government and authorities of the United States, was excluded from the mails and post-offices of the United States until further orders.--Post Office Orders. The Seventh regiment of Connecticut Volunteers, numbering one thousand and seventy-two men, left New Haven for the seat of war near Washington. The regiment is commanded by Colonel A. A. Terry.--N. Y. Commercial Advertiser, Sept. 19. A correspondent at Washington says that the Government has just discovered that the rebels are carrying on a contraband trade between Worcester County, Maryland, and Virginia. Large supplies of army stores have been transported to the rebels' lines by this route. The necessary measures have been taken to stop the traffic.--A regiment has just passed down Pennsylvania avenue, headed by a soldier who lost a leg at the battle of Stone Bridge. He carried his musket strapped to his back. The spectacle excited the greatest enthusiasm among our citizens.
The new gunboat Sagamore was launched to-day from Sampson's yard, East Boston, Mass. Her keel was laid sixty days ago.--N. Y. Herald, Sept. 19.
Yesterday a skirmish took place between the Home Guard and some of Gen. Zollicoffer's men at Barboursville, Ky., without resulting in any damage. It was resumed to-day, when seven rebels and one of their horses were killed. One of the Home Guards received six wounds, and another was taken prisoner. The Home Guards numbered thirty-seven, and the rebels three hundred.--Two miles of the Covington and Lexington Railroad were torn up yesterday near Cyantheana.