...ker, who was killed at the battle of Ball's Bluff, took place at Washington, D. C. The remains were deposited in the congressional burying ground.--Reports were circulated throughout the country that Gen. Banks had been killed and his army slaughtered, that Gen. Sickles' brigade had suffered a similar fate, and that the Confederates had crossed the Potomac, both above and below Washington.--Baltimore Americ...