“That I will not do,” declared Gouie; “unless,” he added, as an afterthought, “you will make a bargain with me.” “Let me hear about the bargain, black one, for I am hungry,” said Keo. “I will let your go if you swear by the tusks of your grandfather that you will return to me in a year and a day and become my prisoner again.” The youthful hippopotamus paused to think, for he knew it was a solemn thing to swear by the tusks of his grandfather; but he was exceedingly hungry, and a year and a day seemed a long time off; so he said, with another careless laugh: “Very well; if you will now let me go I swear by the tusks of my grandfather to return to you in a year and a day and become your prisoner.” Gouie was much pleased, for he knew that in a year and a day Keo would be almost full grown. So he began digging away one end of the pit and filling it up with the earth until he had made an incline which would allow the hippopotamus to climb out. Keo was so pleased when he found himself upon the surface of the earth again that he indulged in a merry fit of laughter, after which he said: “Good-by, Gouie; in a year and a day you will see me again.” Then he waddled away toward the river to see his mother and get his breakfast, and Gouie returned to his village. During the months that followed, as the black man lay in his hut or hunted in the forest, he heard at times the faraway “Guk-uk-uk-uk!” of the laughing hippopotamus. But he only smiled to himself and thought: “A year and a day will soon pass away!” Now when Keo returned to his mother safe and well every member of his tribe was filled with joy, for the Jolly One was a general favorite. But when he told them that in a year and a day he must again become the slave of the black man, they began to wail and weep, and so many were their tears that the river rose several inches. Of course Keo only laughed at their sorrow; but a great meeting of the tribe was called and the matter discussed seriously. “Having sworn by the tusks of his grandfather,” said Uncle Nikki, “he must keep his promise. But it is our duty to try in some way to rescue him from death or a life of slavery.” To this all agreed, but no one could think of any method of saving Keo from his fate. So months passed away, during which all the royal hippopotamuses were sad and gloomy except the Jolly One himself. Finally but a week of freedom remained to Keo, and his mother, the queen, became so nervous and worried that another meeting of the tribe was called. By this time the laughing hippopotamus had grown to enormous size, and measured nearly fifteen feet long and six feet high, while his sharp tusks were whiter and harder than those of an elephant. “Unless something is done to save my child,” said the mother, “I shall die of grief.” Then some of her relations began to make foolish suggestions; but presently Uncle Nep, a wise and very big hippopotamus, said: “We must go to Glinkomok and implore his aid.”