fully developed plant-animal appeared suddenly in front of him, out of empty space. He could not believe his eyes, but stared at the creature for a long time in amazement. It went on calmly moving and burrowing before him, as thought it had been there all its life. Giving up the puzzle, Maskull resumed his striding from rock to rock up the gorge, and then, quietly and without warning, the same phenomenon occurred again. No longer could he doubt than he was seeing miracles—that Nature was precipitating its
