“ JUSTIN (Junianus Justinus) , Roman historian, probably lived during the age of the Antonines. Of his personal history nothing is known. He is the author of Historiarum Philippicarum libri XLIV., a work described by himself in his preface as a collection of the most important and interesting passages from the voluminous Historiae philippicae et totius mundi origines et terrae situs, written in the time of Augustus by Pompeius Trogus (q.v.) . The work of Trogus is lost ”