History of the Peloponnesian War

At the same time that these things were being done, Eurymedon and Sophocles, after weighing from Pylus for Sicily with an Athenian squadron, came to Corcyra, and with the Corcyraeans in the city carried on war upon those that had established themselves on Mount Istone, and who at that time, after crossing over subsequently to the insurrection, commanded the country, and were doing them much damage.

They attacked their strong-hold and took it, but the men, having escaped in a body to a higher eminence, surrendered on condition of giving up their auxiliaries, and letting the Athenian people decide their own fate, after they had given up their arms. So the generals carried them across under truce to the island of Ptychia, to be kept in custody until they were sent to Athens;