offered sacrifice to the moon, the sun and the earth, whose deed this was, according to common report. Aristander thought that this eclipse of the moon was a portent favourable to Alexander and the Macedonians; that there would be a battle that very month, and that victory for Alexander was signified by the sacrificial victims. Having therefore decamped from the Tigris, he went through the land of Aturia,[1] having the mountains of the Gordyaeans[2] on the left and the Tigris itself on the right; and on the fourth day after the passage of the river, his scouts brought word to him that the enemy's cavalry were visible there along the plain, but how many of them there were they could not guess. Accordingly he drew his army up in order and advanced prepared for battle. Other scouts again riding forward and taking more accurate observations, told him that the cavalry did not seem to them to be more than 1,000 in number.
CHAPTER VIII.
Description of Darius's Army at Arbela.
Alexander therefore took the royal squadron of cavalry, and one squadron of the Companions, together with the Paeonian scouts, and marched with all speed; having ordered the rest of his army to follow at leisure. The Persian cavalry, seeing Alexander, advancing quickly, began to flee with all their might. Though he pressed close upon them in pursuit, most of them escaped; but a few, whose horses were fatigued by the flight, were slain, others were taken prisoners, horses and all. From these they ascertained that Darius with a large force was
