The Eighteenth, One hundred and seventeenth, and One hundred and eighteenth Sections of " The Mercantile Marine Act, 1850," the Twenty-ninth and Thirty-first Sections of "The Mercantile Marine Act Amendment Act, 1851," and the Twenty-seventh, Twenty-eighth, Thirty-sixth, Fifty-first, and Fifty-sixth Sections of "The Seamen's Fund Winding-up Act, 1851," shall be repealed.