Note 410 — BOOK VI. AN ACCOUNT OF COUNTRIES, NATIONS, SEAS, TOWNS, HAVENS, MOUNTAINS, RIVERS, DISTANCES, AND PEOPLES WHO NOW EXIST, OR FORMERLY EXISTED.
John Bostock translation
The principal river of Drangiana, which rises in the lower range of the Paropanisus or Hindoo Koosh, and enters Lake Zarah. Its present name is Ilmend or Helmend. Burnouf has supposed it to be the same as the Arachotus; but Professor Wilson is of opinion that the Arachotus was one of the tributaries of the Erymanthus or Erymandrus, and probably the modern Arkand-Ab.