History of the Peloponnesian War

Here they lived two hundred and forty-five years; after which they were expelled from the city and the country by the Syracusan tyrant Gelo. Before their expulsion, however, a hundred years after they had settled there, they sent out Pamillus and founded Selinus; he having come from their mother country Megara to join them in its foundation.

Gela was founded by Antiphemus from Rhodes and Entimus from Crete, who joined in leading a colony thither, in the forty-fifth year after the foundation of Syracuse. The town took its name from the river Gelas, the place where the citadel now stands, and which was first fortified, being called Lindii. The institutions which they adopted were Dorian.

Near one hundred and eight years after the foundation of Gela, the Geloans founded Acragas (Agrigentum), so called from the river of that name, and made Aristonous and Pystilus their founders; giving their own institutions to the colony.

Zancle was originally founded by pirates from Cuma, the Chalcidian town in the country of the Opicans: afterwards, however, large numbers came from Chalcis and the rest of Euboea, and helped to people the place; the founders being Perieres and Crataemenes from Cuma and Chalcis respectively. It first had the name of Zancle given it by the Sicels, because the place is shaped like a sickle, which the Sicels call Zanclon; but upon the original settlers being afterwards expelled by some Samians and other Ionians who landed in Sicily flying from the Medes,