Thucydides reports that in 414/13, after severe losses in Sicily, Nikias wrote to Athens, asking to be replaced in command and saying that it was necessary either to recall the expedition from the island or to send a new army as a reinforcement. The Athenians, however,
[When the Athenians had heard his letter,] instead of relieving him of his command, chose two members of the force in Sicily, Menandros and Euthydemos, to act as additional commanders until the selection and arrival of other colleagues, so that the position of sole commander would not cause Nikias suffering in his illness. They also voted to send another force, both military and naval, composed of Athenians on the muster-roll and of their allies. After the selection of Demosthenes, the son of Alkisthenes, and Eurymedon, the son of Thoukles, as Nikias' colleagues, they sent Eurymedon forthwith, around the winter solstice, to Sicily with ten ships and one hundred and twenty talents in silver …