Egypt was not included by Augustus either
in the senatorial or in the imperial provinces, but was reserved for his
more immediate control. None of the senators or equites
were allowed to set foot in it without the special
permission of the emperor (Tac. Ann. 2.59
D. C. 51.17
); it was governed for him by a
of equestrian rank, who,
however, as holding a superior position to that of an ordinary procurator
and an imperium ad similitudinem proconsulis
), was entitled praefectus
(Tac. Hist. 2.74
&c., and often in inscriptions), or in Greek ἡγεμών.
His staff consisted of freedmen of the emperor.
Everything but the fixing of the revenues and the right of appointment to
certain posts was in his hands: the administration of finance, the judicial
authority, and the supreme military command. He reported directly to the
emperor, and the tenure of his office depended on the emperor's pleasure.
Thus Seius Strabo, the father of Seianus, held this post for only a few
months, but his successor, Vitrasius Pollio, for sixteen years. (Marquardt,
1.285.) This praefectus held rank
second in the scale of the non-senatorial dignities, coming after the
praefectus praetorio, but before the praefectus annonae. (Mommsen,