...rear. The movements of the enemy's cavalry, may, of course, modify your action. We will act all together as one army here until it is seen what can be done with the enemy. The signal officer at Cobb's Hill reported, at eleven-thirty A. M., that a column had passed that point from Richmond toward Petersburg, taking forty minutes to pass. U. S. Grant, Lieutenant-General. Major-General P. H. Sheridan. ...