238 HISTORICAL TALES. whom many had accompanied the army through all its career. Crossing the Great Zab River, the Greeks con- tinued their march, though surrounded by enemies, many of them horsemen, who cast javelins and arrows into their ranks, and fled when pursued. That night they reached some villages, bearing their wounded, who were many, and deeply discouraged. During the night the Greeks organized a small body of cavalry and two hundred Rhodian slingers, who threw leaden bullets instead of stones. The next day they were attacked by a body of four thousand confi- dent Persians, who expected an easy victory. Yet when the few horsemen and slingers of the Greeks attacked them they fled in dismay, and many of them were killed in a ravine which they were forced to traverse. On went the fugitives, day by day, still assailed, still repelling their foes. On the fifth day they saw a palace, around which lay many villages. To reach it they had high hills to pass, and here their enemies appeared on the summits, showering down arrows, darts, and stones. The Greeks finally dislodged them by mounting to higher points, and by night had fought their way to the villages, where they found abundance of food and wine, and where they rested for three days. On starting again the troops of Tissapbhernes an- noyed them as before. They now adopted a new plan. Whenever the enemy came up they halted at some village and fought them from their camp. Each night the Persians withdrew about ten miles,