Note 365 — Chapter LIX · FROM THE COMMENCEMENT OF THE SIEGE OF SYRACUSE BY NIKIAS, DOWN TO THE SECOND ATHENIAN EXPEDITION UNDER DEMOSTHENES, AND THE RESUMPTION OF THE GENERAL WAR.
Reading edition
Horses were so largely bred in Sicily, that they even found their way into Attica and Central Greece, Sophoklês, Œd. Kolon. 312:—
γυναῖχ’ ὁρῶ Στείχουσαν ἡμῖν, ἆσσον, Αἰτναίας ἐπὶ Πῶλου βεβῶσαν.
If the Scholiast is to be trusted, the Sicilian horses were of unusually great size.