History of the Peloponnesian War

Moreover, Thucles and the Chalcidians from Naxos set out in the fifth year after the founding of Syracuse, and having expelled the Sicels by arms, re—settled Leontini, and after it Catana, the Catanians themselves having chosen Evarchus as their founder.

At the same time Lamis arrived in Sicily with a colony from Megara, and after settling in a place beyond the river Pantacyas, Trotilus by name, and subsequently removing thence, and uniting for a short time with the Chalcidians at Leontini, and being driven out by them, he founded Thapsus, and then he himself died; while the rest, being expelled from Thapsus, effected a settlement at Megara, called the Hyblaean, Hyblo, a Sicel king, having given up the place to them and led them in.