“…What our sources do not tell us, however, is whether this metoikesis also involved a political unification -in other words, whether the island of Cos was a single political unit before 366.The debate over the number of city-states on the island before the move can be considered settled since the publication of the excellent study on the history of Cos by Susan Sherwin-White. 75 Sherwin-White has shown that there were at least two independent political units on the island before 366; the metoikesis was, in fact, a political unification. Previously the available evidence -the fifth-century coins, the Athenian Tribute Lists' single entry of 'Cooi', and Cos's membership in the Dorian Pentapolis (Hdt.…”