...on McClellan, releasing his efforts on the left and centre, moved in large force against the right of Longstreet's position, where a bridge over the Antietam was defended by two small regiments under General Toombs . For a time, so stoutly fought the Confederates, the issue of this movement seemed doubtful, but after repulsing several sharp attacks Toombs' line was forced back, and the Federals swarmed across ...