Book 2
5.17
The ocean it is which principally divides the earth into various countries, and moulds its form. It creates bays, seas, straits, isthmuses, peninsulas, and capes; while rivers and mountains serve to the same purpose. It is by these means that continents, nations, and the position of cities are capable of being clearly distinguished, together with those various other details of which a chorographical chart is full. Amongst these latter are the multitude of islands scattered throughout the seas, and along every coast; each of them distinguished by some good or bad quality, by certain advantages or disadvantages, due either to nature or to art.
