Note 55 — Chapter IV · PERSIAN OPERATIONS IN EUROPE: B.C. 493–490. MARATHON.
Reading edition
The employment of Mardonios on this political business, in a case in which Artaphernes might have been expected to be the agent for the carrying out of this particular act of policy, suggests that Darius had in his mind considerations similar to those which are described by Tacitus as having influenced the Roman Government in the settlement of Britain after the revolt of the Iceni: “Missus igitur Petronius Turpilianus tanquam exorabilior et delictis hostium novus, eoque pœnitentiæ mitior” (Tac. Agric. xvi.).