“ Hirtius, however, compelled Antonius to retire on Mutina, where another battle took place on the 25th (or 27th) of April, in which Hirtius was slain. Of the continuations of Caesar’s Commentaries—the eighth book of the Gallic war, the history of the Alexandrian, African and Spanish wars—the first is generally allowed to be by Hirtius; the Alexandrian war is perhaps by him (or Oppius) ”