), a son of Peneius and Bura, from whom the town of Atrax in Hestiaeotis was believed to have derived its name. (Steph. Byz. s. v.
) He was the father of Hippodameia and Caenis, the latter of whom by the will of Poseidon was changed into a man, and named Caenus. (Antonin. Lib. 17; Ov. Met. 12.190