a grammarian and philosopher of the third century, known by his treatise De Die Natali, which was written about the year 238, and is of considerable importance in regard both to the chronology and astrology of antiquity. It was first printed at Bologna in 1497, folio, with two fragments by unknown authors, entitled Indigetamenta and De Naturali Institutione. But the best editions are those of Havercamp, Leyden, Svo, 1748, reprinted in 1767, and that of Gruber, Svo, Nuremberg, 1805.