Note 481 — Chapter I
W. (William) Falconer translation
Probably walls built for the protection of certain districts. Such was the διατείχισμα Σεμιράμιδος, constructed between the Euphrates and the Tigris, and intended, together with canals brought from those rivers, to protect Babylon from the incursions of the Arabian Scenitæ or Medes. B. ii.