Book II, Ch. 34 — Of Gallus Cæsar.

Gallus, having accomplished these things, was unable to bear his success with moderation; but forthwith attempted innovations against the authority of him who had constituted him Cæsar, himself aspiring to the sovereign power. His purpose was, however, soon detected by Constantius: for he had dared to put to death, on his own responsibility, Domitian, at that time Prætorian prefect of the East, and Magnus the quæstor, not having disclosed his designs to the emperor. Constantius, extremely incensed at this conduct, summoned Gallus to his presence, who being in great terror went very reluctantly; and when he arrived in the western parts, and had reached the island of Flanona, Constantius ordered him to be slain. But not long after he created Julian, the brother of Gallus, Cæsar, and sent him against the barbarians in Gaul. It was in the seventh consulate