squadron of cavalry Companions, and one regiment of cavalry besides these, containing four companies; and wheeling round with these troops, he marched towards the pass in the direction the prisoners led him. He ordered Amyntas, Philotas, and Coenus to lead the rest of the army towards the plain, and to make a bridge over the river[1] which one must cross to go into Persis. He himself went by a route difficult and rough, along which he nevertheless marched for the most part at full speed. Falling upon the first guard of the barbarians before daylight,[2] he destroyed them, and so he did most of the second; but the majority of the third guard escaped, not indeed by fleeing into the camp of Ariobarzanes, but into the mountains as they were, being seized with a sudden panic. Consequently he fell upon the enemy's camp at the approach of dawn without being observed. At the very time he began to assault the trench, the trumpets gave the signal to Craterus, who at once attacked the advanced fortification. The enemy then, being in a state of confusion from being attacked on all sides, fled without coming to close conflict; but they were hemmed in on all hands, Alexander pressing upon them in one direction and the men of Craterus running up in another. Therefore most of them were compelled to wheel round and flee into the fortifications, which were already in the hands of the Macedonians. For Alexander, expecting the very thing which really occurred, had left Ptolemy there with three thousand infantry; so that most of the barbarians were cut to pieces by the Macedonians at close quarters. Others perished in the terrible flight which ensued, hurling themselves over the precipices; but Ariobarzanes him-
