History of the Peloponnesian War

But the Corinthians, having previous information from Argos that the Athenian army would come, had long before occupied the Isthmus with all their forces, except those who dwelt north of the Isthmus and five hundred Corinthians who were away doing garrison duty in Ambracia[*](Three hundred of these had been sent the previous winter to Ambracia, which was a Corinthian colony; cf. 3.114.4.) and Leucas; all the rest to a man were now there, watching to see where the Athenians would land.

But when the Athenians eluded them by making their landing by night and the Corinthians were notified by the raising of fire-signals, these left half of their troops at Cenchraeae,[*](The Corinthian eastern haven, seventy stadia from the city.) in case the Athenians should after all go against Crommyon,[*](The chief place on this coast-line between the Isthmus and Megara, some 120 stadia from Corinth, known as the haunt of the wild boar killed by Theseus (Paus. I. xxvii. 9; II. i. 3).) and in haste rushed to the defence.