— Combat on the Persian right between Mazæus and Parmenio. Flight of the Persian host — energetic pursuit by Alexander. — Escape of Darius. Capture of the Persian camp, and of Arbela. — Loss in the battle. Completeness of the victory. Entire and irreparable dispersion of the Persian army. — Causes of the defeat — cowardice of Darius. Uselessness of his immense numbers. — Generalship of Alexander. — Surrender of Babylon and Susa, the two great capitals of Persia. Alexander enters Babylon. Immense treasures acquired in both places. — Alexander acts as king of Persia, and nominates satraps. He marches to Susa. He remodels the divisions of his army. — Alexander marches into Persis proper — he conquers the refractory Uxii, in the intermediate mountains. — Difficult pass called the Susian Gates, on the way to Persepolis. Ariobarzanes the satrap repulses Alexander, who finds means to turn the pass, and conquer it. — Alexander enters Persepolis. Mutilated Grecian captives. — Immense wealth, and national monuments of every sort, accumulated in Persepolis. — Alexander appropriates and carries away the regal treasures, and then gives up Persepolis to be plundered and burnt by the soldiers. — Alexander rests his troops, and employs himself in conquering the rest of Persis. — Darius a fugitive in Media. 104-178 CHAPTER XCIV. MILITARY OPERATIONS AND CONQUESTS OF ALEXANDER, AFTER HIS WINTER QUARTERS IN PERSIS, DOWN TO HIS DEATH AT BABYLON.