=Jocas´ta.= A daughter of Menoeceus, who married Laius, king of Thebes, OEdipus being their son. She afterwards married OEdipus without knowing who he was, and on the discovery she hanged herself. By some mythologists she is called Epicasta. =Jose´phus, Fla´vius.= A celebrated Jew, born in Jerusalem, who signalized himself in a siege conducted by Vespasian and Titus in a small town in Judæa. He was present at the siege of Jerusalem by Titus, and received all the sacred books which it contained from the conqueror's hands. He wrote a history of the wars of the Jews, in Syriac, and afterwards translated it into Greek. He also wrote a work, which he divided into twenty books, on Jewish antiquities. He died A.D. 93, in his fifty-sixth year. =Jovia´nus, Fla´vius Clau´dius.= A native of Pannonia elected emperor of Rome by the soldiers after the death of Julian. He refused the purple at first, but on being assured that his subjects were favorably disposed towards Christianity he accepted the crown. He died about seven months after assuming the supreme power, being found in bed suffocated by the vapors of charcoal which had been lighted in his room, A.D. 364. =Ju´ba.= A king of Numidia and Mauritania who favored the cause of Pompey against Julius Cæsar. He defeated Curio, whom Cæsar had sent to Africa, and after the battle of Pharsalia he joined his forces to those of Scipio. He was conquered in a battle at Thapsus, and killed himself. His kingdom became a Roman province, of which Sallust was the first governor. =Ju´ba=, the second of that name, was led captive to Rome to give lustre to the triumph of Cæsar. He wrote a history of Rome, which was often commended and quoted by the ancients. =Jugur´tha.= A distinguished Numidian who went with a body of troops to the assistance of Scipio, who was besieging Numantia. Jugurtha endeared himself to the Roman general by his bravery and activity. His uncle Micipsa appointed him successor to the throne, with his two sons Adherbal and Hiempsal, the latter of whom was slain by Jugurtha, and the former had to fly to Rome for safety. Cæcilius Metellus was sent against Jugurtha, who was betrayed and delivered into the hands of the Romans. He died in prison B.C. 106. =Ju´lia.= A daughter of Julius Cæsar and Cornelia, famous for her virtues and personal charms. She was obliged by her father to divorce herself from her first husband to marry Pompey the Great, with the object of cementing the friendship between him and her father. =Ju´lia.= Daughter of Augustus, remarkable for her beauty, genius, and vices. Her father give her in marriage to Marcellus, after whose death she united herself to Agrippa, and again becoming a widow she married Tiberius. Her conduct now became so unseemly that she was banished to a small island on the coast of Campania, where she was starved to death.