History of the Peloponnesian War

For they at Samos had had intelligence from Miletus of their coming; and Charminus was lying for them about Syme, Chalce, Rhodes, and the coast of Lycia; for by this time he knew that they were at Caunus.

Astyochus, therefore, desiring to outgo the report of his coming, went as he was to Syme, hoping to find those galleys out from the shore. But [a shower of] rain, together with the cloudiness of the sky, made his galleys to miss their course in the dark and disordered them.

The next morning, the fleet being scattered, the left wing was manifestly described by the Athenians, whilst the rest wandered yet about the island. And thereupon Charminus and the Athenians put forth against them with twenty galleys, supposing they had been the same galleys they were watching for from Caunus;