Page:The Anabasis of Alexander.djvu/403

381 Euphrates at last has only a small volume of water, which disappears into a marsh. Alexander sailed over the sea round the shore of the Persian Gulf lying between the rivers Eulaeus and Tigres; and thence he sailed up the latter river as far as the camp where Hephaestion had settled with all his forces. Thence he sailed again to Opis, a city situated on that river. In his voyage up he destroyed the weirs which existed in the river, and thus made the stream quite level. These weira had been constructed by the Persians, to prevent any enemy having a superior naval force from sailing up from the sea into their country. The Persians had had recourse to these contrivances because they were not a nautical people; and thus by making an unbroken succession of weirs they had rendered the voyage up the Tigres a matter of impossibility. But Alexander said that such devices were unbecoming to men who are victorious in battle; and therefore he considered this means of safety unsuitable for him; and by easily demolishing the laborious work of the Persians, he proved in fact that what they thought a protection was unworthy of the name.  

he arrived at Opis, he collected the Macedonians and announced that he intended to discharge from the army those who were useless for military service either from age or from being maimed in the limbs; and he said he would send them back to their own abodes. He