to the very lair of the cave bear, because there was no other way to go. Down the stream was the tribe, and had not Ugh-lomi killed Uya and Wau? By the stream they had to keep—because of drinking.
So they marched through beech trees, with the gorge deepening until the river flowed, a frothing rapid, five hundred feet below them. Of all the changeful things in this world of change, the courses of rivers in deep valleys change least. It was the river Wey, the river we know to-day, and they marched over the very spots where nowadays stand little Guildford and Godalming—the first human beings to come into the land. Once a grey ape chattered and vanished, and all along the cliff edge, vast and even, ran the spoor of the great cave bear.
And then the spoor of the bear fell away from the cliff, showing, Ugh-lomi thought, that he came from some place to the left, and keeping to the cliff's edge, they presently came to an end. They found themselves looking down on a great semi-circular space caused by the collapse of the cliff. It had smashed right across the gorge, banking the up-stream water back in a pool which overflowed in a rapid. The slip had happened long ago. It was grassed
