Note 508 — Chapter XXX
E. J. (Edward James) Chinnock translation
Gadeira is now called Cadiz. The Greeks called the continent of Africa by the name of Libya. So Polybius (iii. 37) says that the Don is the boundary of Europe, and that Libya is separated from Asia and Europe respectively by the Nile and the Straits of Gibraltar, or, as he calls the latter, “the mouth at the pillars of Hercules.” Arrian here, like many ancient authors, considers Libya a part of Asia. Cf. Juvenal, x. i.