Note 2788 — BOOK IV. AN ACCOUNT OF COUNTRIES, NATIONS, SEAS, TOWNS, HAVENS, MOUNTAINS, RIVERS, DISTANCES, AND PEOPLES WHO NOW EXIST OR FORMERLY EXISTED.

Only three of these are now considered of importance, as being the main branches of the river. It is looked upon as impossible by modern geographers to identify the accounts given by the ancients with the present channels, by name, as the Danube has undergone in lapse of time, very considerable changes at its mouth. Strabo mentions seven mouths, three being lesser ones.