Section 5. I n all cases under this Act, the Port Magistrate Procedure to shall, except as herein otlierwise pr

5. I n all cases under this Act, the Port Magistrate Procedure to shall, except as herein otlierwise provided, exercise befollowed. within the Fort the powers, and, as nearly `as` may be, follow the procedure, conferred on, and prescribed for, a Presidency Magistrate by the Presidency Magistrates Act, 1877 ; and, subject to the power conferred by the .[High Courts Criminal Procedure Act, 1875, section ] 147, every finding, sentelice or order of such Magistrate under this Act shall be final.