XIII. TO METLAOUI
XIV. PHOSPHATES
XV. THE SELDJA GORGE
XVI. AT THE HEAD OF THE WATERS
XVII. ROMAN OLIVE-CULTURE
XVIII. THE WORK OF PHILIPPE THOMAS
XIX. OVER GUIFLA TO TOZEUR
XX. A WATERY LABYRINTH
XXI. OLD TISOUROS
XXII. THE DISMAL CHOTT