... Captain Levin, the pilot, that we could do nothing with the vessels which had passed, but we could go down to the mortar-fleet; but no sooner had we got in seeing range than both forts opened on us, Fort Jackson striking the vessel several times on the bend with the lighter guns. I knew the vessel must be sunk if once under the 10-inch guns, so I turned up the river again, and very soon saw a large ship, t...