History of the Peloponnesian War

Nevertheless the Lacedaemonians first sent to Chios Phrynis, one of the Perioeci, to see whether they had as many ships as they said, and whether their city generally was as great as was reported; and upon his bringing word that they had been told the truth, immediately entered into alliance with the Chians and Erythraeans, and voted to send them forty ships, there being already, according to the statement of the Chians, not less than sixty in the island.

At first the Lacedaemonians meant to send ten of these forty themselves, with Melanchridas their admiral; but afterwards, an earthquake having occurred, they sent Chalcideus instead of Melanchridas, and instead of the ten ships equipped only five in Laconia. And the winter ended, and with it ended also the nineteenth year of this war of which Thucydides is the historian.