Cydias (Kudias). A painter, born in the island of Cythnus, one of the Cyclades, and who flourished B.C. 360. Hortensius, the orator, purchased his painting of the Argonauts for 144,000 sesterces (nearly $5800). This same work was afterwards transferred by Agrippa to the portico of Neptune.
Perseus: Harry Thurston Peck, Harpers Dictionary of Classical Antiquities (1898)