Note 157
Ammianus, xxx. 10. Zosimus, 1. iv. [c. 19] p. 222, 223.
Tillemont has proved (Hist. des Empereurs, tom. v. p.
707-709) that Gratian reigned in Italy, Africa, and
Illyricum. I have endeavoured to express his authority over
his brother's dominions, as he used it, in an ambiguous
style.
The History Of The Decline and Fall
Of The Roman Empire—
Chapter 25