(Πανάρετος), a pupil of Arcesilans, the founder of the new Academy. He was noted for the excessive slightness of his person. He was intimate with Ptolemy Energetes (about B. C. 230), from whom he is said to have received twelve talents yearly. (Fabric. Bibl. Graec. vol. iii. p. 181; Athen. 12.552c.; Aelian, H. V. 10.6.)