Sentence:  ... and any offender found with firearms in his possession contrary to this Ordinance, shall be deemed to be guilty of a misdemeanor, and being thereof <WSD>summarily</WSD> convicted before any one or more Justice or Justices of the Peace, of being so illegally at large as aforesaid, shall be kept to hard labour on any of the Roads or Public Works of the said colony, for any time not exceeding three calendar months. 
Meaning of the word marked with <WSD> tags:  In a summary manner.