. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F1 every person guilty of any violent or indecent behaviour in any police office or any police station house, within the limits of the special Act, shall be liable to a penalty not exceeding forty shillings for every such offence, or, in the discretion of the justice before whom he is convicted, to imprisonment for a period not exceeding seven days.