History of the Peloponnesian War

Being therefore shut up by sea, and having their lands spoiled, some within undertook to make the city return unto the Athenians. Which though the magistrates perceived, yet they themselves stirred not; but having received Astyochus into the city with four galleys that were with him from Erythraea, they took advice together, how by taking hostages, or some other gentle way, to make them give over the conspiracy. Thus stood the business with the Chians.

In the end of this summer a thousand five hundred men of arms of Athens, and a thousand of Argos (for the Athenians had put armour upon five hundred light-armed of the Argives), and of other confederates a thousand more, with forty-eight galleys, reckoning those which were for transportation of soldiers, under the conduct of Phrynicus, Onomacles, and Scironides, came in to Samos, and crossing over to Miletus encamped before it.

And the Milesians issued forth with eight hundred men of arms of their own, besides the Peloponnesians that came with Chalcideus and some auxiliar strangers with Tissaphernes (Tissaphernes himself being also there with his cavalry) and fought with the Athenians and their confederates.