...ccount of the mud and for lack of horses), and the silencing of every gun but one upon that part of the field. While matters were progressing thus upon the right, R. H. Anderson's brigade under Colonel Jenkins , with a portion of Pryor's, supported by Stribling's battery and Pelham's horse-artillery, and the fire of Fort Magruder, made an attack upon the enemy's position in front of the fort, and drove him ...