...y-two guns mounted at Mount Pleasant, and has erected a new battery four miles below. A joint resolution is before the Federal Congress to turn the Roanoke into an ironclad steamer. The Rev. Mr. McVeigh , of Loudoun county, Va., for some time confined in the Capitol prison, has been paroled for an exchange, or to deliver himself up in ninety days. The Monitor occupies her usual position above t...