And be it further enacted, That this Act shall not prejudice or-affect any of the Provisions contained in an; Act passed in the Eleventh Year of the Reign of His Majesty King George the 'Fourth and the First Year of the Reign of His late Majesty King William the Fourth, intituled An Act to amend and consolidate the Laws relating to the Pay of the Royal Navy, respecting the Wills of Petty Offers' and Seamen in the Royal Navy, and Non-commissioned Officers of Marines, and Marines, so far as relates to their Wages, Pay, Prize Money, Bounty Money, and Allowances, or other Monies payable in respect of Services in Her Majesty's Navy.