not stop him, knowing that he had the power to turn the four brooks into rivers again.
Pei-Hang hastened away, and on his journey did exactly as he had promised.
After crossing the first brook, he threw a white seed into it, and turned it into an inky black waste of water a mile wide, full of fishes six yards long, and every fish covered with spikes.
When the Genii saw this they stopped roaring, so glad were they to see the Black River guarding them once more from the outer world.
On reaching the Red River, the White River, and the Blue River, Pei-Hang did the same thing, and since that time no one has been able to find the home of the Genii, because no one else could cross the Blue River, much less the other three.
Having traveled for seven days Pei-Hang came to his father's and mother's house. He told them all that he had experienced, and for each white seed his mother had given him he gave her a jewel as large as an egg. Then he went on to Chang-ngan, where he found that Yun-Ying's mother had
