History of the Peloponnesian War

The Athenians that were now come with their army from Lesbos to Chios, and were masters of the field and of the sea, fortified Delphinium, a place both strong to the landward, and that had also a harbour for shipping, and was not far from the city itself of Chios.

And the Chians, as having been disheartened in divers former battles, and otherwise not only not mutually well affected but jealous one of another (for Tydeus and his accomplices had been put to death by Pedaritus for Atticism, and the rest of the city was kept in awe, but by force, and for a time), stirred not against them.

And for the causes mentioned, not conceiving themselves, neither with their own strength nor with the help of those that Pedaritus had with him, sufficient to give them battle, they sent to Miletus to require aid from Astyochus. Which when he denied them, Pedaritus sent letters to Lacedaemon complaining of the wrong.

Thus proceeded the affairs of the Athenians at Chios. Also their fleet at Samos went often out against the fleet of the enemy at Miletus; but when theirs would never come out of the harbour to encounter them, they returned to Samos and lay still.