[Footnote 110: The office of vizier was superseded by the
emir al Omra, Imperator Imperatorum, a title first
instituted by Radhi, and which merged at length in the
Bowides and Seljukides: vectigalibus, et tributis, et curiis
per omnes regiones praefecit, jussitque in omnibus suggestis
nominis ejus in concionibus mentionem fieri, (Abulpharagius,
Dynart. p 199.) It is likewise mentioned by Elmacin, (p.
254, 255.)]