SEC. 6. SAME–COMPOSITION; ELECTION AND TERMS OF MEMBERS.
   The city council shall consist of six members, who shall be elected at large by and from the qualified voters of the City for a term of four years and until their successors are elected and qualified. At each biennial regular municipal election, three councilmen and a mayor shall be elected, the councilmen to serve for four years and the mayor to serve for two years.