.... A severe cavalry fight occurred on Saturday, at Haw's shop, in Hanover county, a few miles to the right of the Central Railroad. A form of our cavalry, consisting, we learn, of Rosser's and Workham 's brigades, the 4th and 5th regiments of Butler's South Carolina brigade, and the 20th Georgia battalion, all under the command of General Wode Hampton, was sent out to reconnoitre the enemy's positi...