of the provinces. According to the plan of government instituted by Diocletian, the four princes had each their Prætorian præfect; and after the monarchy was once more united in the person of Constantine, he still continued to create the same number of Four Præfects, and intrusted to their care the same provinces which they already administered. 1. The præfect of the East stretched his ample jurisdiction into the three parts of the globe which were subject to the Romans, from the cataracts of the Nile to the banks of the Phasis, and from the mountains of Thrace to the frontiers of Persia. 2. The important provinces of Pannonia, Dacia, Macedonia, and Greece, once acknowledged the authority of the præfect of Illyricum. 3. The power of the præfect of Italy was not confined to the country from whence he derived his title; it extended over the additional territory of Rhætia as far as the banks of the Danube, over the dependent islands of the Mediterranean, and over that part of the continent of Africa which lies between the confines of Cyrene and those of Tingitania. 4. The præfect of the Gauls comprehended under that plural denomination the kindred provinces of Britain and Spain, and his authority was obeyed from the wall of Antoninus to the foot of Mount Atlas. After the Prætorian præfects had been dismissed from all military command, the civil functions which they were ordained to exercise over so many subject nations, were adequate to the ambition and abilities of the most consummate ministers. To their wisdom was committed the supreme administration of justice and of the finances, the two objects which, in a state of peace, comprehend almost all the respective duties of the sovereign and of the people; of the former, to protect the citizens who are obedient to the laws; of the latter, to contribute the share