[Footnote 10: The countries between the Euphrates and the Halys were possessed above 350 years by the Medes (Herodot. l. i. c. 103) and Persians; and the kings of Pontus were of the royal race of the Achaemenides, (Sallust. Fragment. l. iii. with the French supplement and notes of the president de Brosses.)]