History of the Peloponnesian War

The Naxians received them into their city, and they sailed on then to Catana.

When the Catanaeans would not receive them—for there were in that place men who favoured the cause of the Syracusans—they moved on to the river Terias, and having bivouacked there sailed next day to Syracuse with all their ships in single file, except ten, for this number they had sent forward to sail into the Great Harbour and observe whether any fleet was launched. After sailing up the commanders of these were to proclaim from the ships that the Athenians had come to reinstate the Leontines in their own country on the ground of alliance and kinship; any Leontines therefore who were in Syracuse should come over without fear to the Athenians as friends and benefactors.

When this proclamation had been made and they had observed the city and the harbours and the features of the country which they would have to make their base for warlike operations, they sailed back to Catana.