Now this division into sixty is certainly derived from Babylonia in the case of time measurement, and is therefore of the same origin as regards the measurement of angles.
We have no longer any copy of this first map of the world drawn up by Anaximander, but there is little doubt that it formed the foundation of a similar map drawn by a fellow-townsman of Anaximander, HECATAEUS of Miletus, who seems to have written the first formal geography.

Only fragments of this are extant, but from them we are able to see that it was of the nature of a _periplus_, or seaman's guide, telling how many days' sail it was from one point to another, and in what direction.

We know also that he arranged his whole subject into two books, dealing respectively with Europe and Asia, under which latter term he included part of what we now know as Africa.

From the fragments scholars have been able to reproduce the rough outlines of the map of the world as it presented itself to Hecataeus.

From this it can be seen that the Homeric conception of the surrounding ocean formed a chief determining feature in Hecataeus's map.