Very slowly he put out his hand, and, reaching through the bars, he stroked Mappo's soft fur. "That's a good chap!" said the sailor. "I believe you are going to be nice after all." "Bur-r-r-r! Wopp!" said Mappo. That meant: "Of course I am!" In a few days the sailor and Mappo were good friends, and one afternoon the sailor opened the cage door and let the monkey out. Then Mappo grew quite excited.