64:4.11

These times of the fourth and fifth glaciers witnessed the further spread of the crude culture of the Neanderthal races. But there was so little progress that it truly appeared as though the attempt to produce a new and modified type of intelligent life on Urantia was about to fail. For almost a quarter of a million years these primitive peoples drifted on, hunting and fighting, by spells improving in certain directions, but, on the whole, steadily retrogressing as compared with their superior Andonic ancestors.