53. Fourth is the river Borysthenes, which is both the largest of these after the Ister, and also in our opinion the most serviceable not only of the Scythian rivers but also of all the rivers of the world besides, excepting only the Nile of Egypt, for to this it is not possible to compare any other river: of the rest however the Borysthenes is the most serviceable, seeing that it provides both pastures which are the fairest and the richest for cattle, and fish which are better by far and more numerous than those of any other river, and also it is the sweetest water to drink, and flows with clear stream, though others beside it are turbid, and along its banks crops are produced better than elsewhere, while in parts where it is not sown, grass grows deeper. Moreover at its mouth salt forms of itself in abundance, and it produces also huge fish without spines, which they call antacaioi , to be used for salting, and many other things also worthy of wonder. Now as far as the region of the Gerrians, 593 to which it is a voyage of forty