...Gettysburg. Hill became engaged with a superior force of the enemy on the 1st July, but Ewell, coming up by the Harrisburg road, participated in the engagement, and the enemy were driven through Gettysburg with heavy loss, including about 5000 prisoners and several pieces of artillery. The enemy retired to a high range of hills, south and east of the town. On the 2d, Gen. Ewell occupied the l...