§ 70. Judicial departments. The state is hereby divided into four judicial departments. The first department shall consist of the counties embraced within the first and twelfth judicial districts; the second department shall consist of the counties embraced within the second, ninth, tenth, eleventh and thirteenth judicial districts; the third department shall consist of the counties embraced within the third, fourth and sixth judicial districts; the fourth department shall consist of the counties embraced within the fifth, seventh and eighth judicial districts.