From the Southern Coast.
a Yankee gun-boat disabled by a Confederate battery--the Charleston light-house blown up. Augusta, Feb. 20.
--The Charleston Courier this morning publishes a dispatch announcing the disabling of a Lincoln gun-boat, near Port Royal ferry, by the North Carolina battery.
They also fired into three flats filled with Lincolnites, sinking one and causing great destruction to the two others.
The Yankees are concentrating on the other side of the ferry.
The Charleston Light-House has been blown up by the Confederates.