1. Said board shall be nonpartisan and nonsectarian in character, and the members and officers thereof shall receive no compensation as such.

2. Said board shall consist of the mayor of such cities and the presiding commissioner of the county commission of such counties, who shall be ex officio members thereof, and six other members, three of whom shall be appointed by the county commission of such counties, who shall hold office, one for one year, one for two years and one for three years, whose terms of office shall be designated by such county commission, three by the mayor and common council of such cities, who shall hold office, one for one year, one for two years and one for three years, whose terms of office shall be designated by the mayor.

3. Whenever the term of office of any member so appointed expires, the appointment of his successor shall be for three years. All such appointments shall date from the first of June following their appointment.

4. Vacancies from any causes shall be filled in like manner as original appointment. The mayor may, for misconduct or neglect of duty, remove any member appointed by him in the manner required for removal of officers of such cities. The county commission may, by a majority vote, for misconduct or neglect of duty, remove any member appointed by them.