and all those who dwelt in the islands did so, to whomsoever they came to make their demand. The islanders, I say, gave earth and water to Darius, and among them also those of Egina, and when these had done so, the Athenians went forthwith urgent against them, supposing that the Aeginetans had given with hostile purpose against themselves, in order to make an expedition against them in combination with the Persians; and also they were glad to get hold of an occasion against them. Accordingly they went backward and forwards to Sparta and accused the Aeginetans of that which they had done, as having proved themselves traitors to Hellas. 50.