Note 2829 — BOOK IV. AN ACCOUNT OF COUNTRIES, NATIONS, SEAS, TOWNS, HAVENS, MOUNTAINS, RIVERS, DISTANCES, AND PEOPLES WHO NOW EXIST OR FORMERLY EXISTED.
John Bostock translation
The Bog or Boug. Flowing parallel with the Borysthenes or Dnieper, it discharged itself into the Euxine at the town of Olbia, at no great distance from the mouth of the Borysthenes.