...ethrum in width and had a bridge over it. There was situated a large city named Opis, near which the Greeks met the bastard brother of Cyrus and Artaxerxes, who was leading a large army from Susa and Ecbatana to the support, as he said, of the King; and he halted his own army and watched the Greeks as they passed by. Clearchus led them two abreast, and halted now and then in his march; and whatever the l...