5In the following enactments (which confer on the police powers of entry into vessels on suspicion of felony), that is to say,—
(a)section 34 of the [1839 c. 47.] Metropolitan Police Act 1839 ;
(b)section 9 of the [1840 c. 50.] Canals (Offences) Act 1840 ;
for the expressions " felony " and " felonies " there shall be substituted the expressions " arrestable offence " and " arrestable offences "; and any enactment for the same or like purposes which is contained in any local or private Act shall be modified as near as may be in the same way.