The pretended circumnavigation of Africa by Eudoxus is referred to, as well as some geographical errors of Polybius.
It is of marble, and is thought by some to date from the time of Eudoxus, that is, three hundred years before the Christian era.
Had Zoroaster been no earlier than Darius, Eudoxus would never have advanced him to this degree of antiquity.
Pythagoras is said to have been the first to describe the earth as a sphere, and this view was adopted by Eudoxus and Aristotle.
Among them was Eudoxus of Knidus, who afterwards became illustrious both in geometry and astronomy.
