Capture of a Yankee Merchantman, &c.
Augusta, Oct. 21.
--The Charleston Mercury, of this morning, says that, among other recent captures by our privateers, is the brig Grenada, Captain Pettergill, of Portland, Maine.
Her marine cargo consists of sugar, molasses, mahogany, and honey.
It is reported that, in addition to the blockading fleet, a large steamer transport, with Yankee troops, is hovering on the South Carolina coast.