...is, that when informed at light on the morning of the 3d by Gen. Barksdale that the enemy had thrown a bridge across Fredericksburg, I immediately sent Hays's Louisiana brigade to his assistance, and Gen. Wilcox , with three regiments of his brigade, came down from above. This left only three brigades on the long and comparatively weak line from the heights in rear of Fredericksburg to the mouth of the Mass...