the main sea. Now from the mountains it cometh in three great forces, and many smaller ones, and perilous and awful is it to behold; for betwixt those forces it filleth all the mountain ghyll, and there is no foothold for man, nay for goat, save at a hundred foot or more above the water, and that evil and perilous; and as is the running of a winter mill-stream to the beetles and shrew-mice that haunt the greensward beside it, so is the running of that flood to the sons of Adam and the beasts that serve them: and none has been so bold as to strive to cast a bridge across it.
But when ye have journeyed with much toil and no little peril over the mountain-necks, for by the gorge of the river, as aforesaid, no man may go, and have come out of the mountains once more, then again ye have the flood before you, cleaving a great waste of rocks mingled with sand, where groweth neither tree nor bush nor grass; and now the flood floweth wide and shallow but swift, so that no words may tell of its swiftness, and on either side the water are great wastes of tumbled stones that the spates have borne down from the higher ground. And ye shall know that from this place upward to its very wells in the higher mountains, the flood decreaseth not much in body or might, though it be wider or narrower as it is shallower or deeper, for nought but mere trickles of water fall into it in the space of this sandy waste, and what feeding it hath is from the bents and hills on either side as you wend toward the moun-
