..., the loss of its garrison would be still more fatal, and that preparations should be made for evacuation as well as for defense. On January 19th, General Butler's cavalry division was ordered to South Carolina , and Gen. D. H. Hill was put in command at Augusta, Ga. The greatly depleted corps of S. D. Lee, Stewart and Cheatham, army of Tennessee, were on their way to reinforce General Hardee. These troops...