...ceived the name Methydrium （Between the Waters） because there is a high knoll between the river Maloetas and the Mylaon, and on it Orchomenus built his city. Methydrium too had citizens victorious at Olympia before it belonged to Megalopolis. There is in Methydrium a temple of Horse Poseidon, standing by the Mylaon. But Mount Thaumasius （Wonderful） lies beyond the river Maloetas, and the Methydrians hol...