The Marshal shall be the Chief of Police and shall perform active and constant police service, for which he shall receive a salary of not more than fifty dollars per month. He may, with the consent of the Council, entered of record, but not otherwise, appoint a deputy or deputies, who may perform the duties, or any of them, with which he is charged; but the Marshal shall in all cases be responsible for the acts or omissions of the deputy or deputies so appointed. Such deputy or deputies shall be paid by the City.