The finest cattle are said to exist in Khokand, and among the Karakalpaks on the Oxus, whose exclusive occupation is to rear them.
The valleys of the Oxus and Jaxartes are very fertile, but the rest of the extensive province is almost a desert.
Aristobulus avers that the Oxus was the largest river, except those in India, which he had seen in Asia.
In the Oxus valley north of the Hindu Kush the period is extended to forty days.
There it occurs in limestone, in the valley of the river Kokcha, a tributary to the Oxus, south of Firgamu.
