...ed by the Federal squadron, but the vessels lay outside the bar, keeping a bright look-out. Towards the end of the month two of the heaviest ships. the Powhatan and Canandaigua, had to proceed to Port Royal for coal, leaving some lighter vessels to continue the blockade. The Confederates had two ironclad rams, the Chicora and Palmetto State, under Commodore D. N. Ingraham, in Charleston Harbor, and on...