The demiurgi were next in power to the prætor, and therefore ſtiled by Polybius and Livy, the ſupreme magiſtrates of the Achæans. They were ten in number, choſen by the general aſſembly from among the moſt eminent men of the whole league for prudence, equity, and experience. It was their office to aſſiſt, with their advice, the prætor, who was to ſay nothing before the aſſembly, but what had been previouſly approved of by the major part of the demiurgi.