...f, all of which were to enter the Coosaw by Beaufort River; and of the gunboat Seneca, Lieutenant Commanding Ammen, and the tugboat Ellen, Acting Master Commanding Budd, both of which were to move up Beaufort River and approach the batteries at Seabrook and Port Royal Ferry by Whale branch. The armed tug E. B. Hale, Acting Master Foster, under the command of Lieutenant Barnes, was afterwards despatched to Com...