The southern coast is occupied by the delta of the Oxus (Phan, Amu-darya), one of the arms of which, the Laudan, forms a swamp, 80 m.
How far they reach up the present courses of the Oxus (Amu-darya) and Jaxartes (Syr-darya) is not known.
Eastwards it penetrated up the Uzboi depression between the Great and Little Balkhan ranges, so that that depression, which is strewn (as mentioned above) with Post-Tertiary marine deposits, was not (as is sometimes supposed) an old bed of the Oxus, but a gulf of the Caspian.
326-375), one of the greatest of Indian kings, who conquered nearly the whole of India, and whose alliances extended from the Oxus to Ceylon; but his name was at one time entirely lost to history, and has only been recovered of recent years from coins and inscriptions.
By the river Oxus, called Virkana, or "Wolf's Land," in Old Persian.