(anc. geogr.), the largest river of Sarmatia Europae, thus described by Mela, who copies verbatim from Herodotus: "It runs through a cognominal people, is the most pleasant of all the rivers of Scythia, and calmer than all of them in its course, and very agreeable to drink; it feeds very rich pastures, and produces large fish of the best flavour, and without bones; it comes a great way, rising from springs unknown; its course is a distance of 40 days, and so far it is navigable." It is now called the Drinper or Nieper.