“The journey into the forest. Restlessness of the yaks. The alarm. Wild animals. George Mayfield and Harry Crandall. Their companion, an aged Professor. Their history. How they were shipwrecked. Thrown on an island without weapons, tools, food, or any of the requirements of life. What they had accomplished previous to the opening of this chapter. Making tools. Capturing yaks and training them. The three previous expeditions, and what they discovered. The mysterious occurrences. The fourth voyage of discovery. Losing sight of the strange animals. The forest. Discovering orang-outans. Capturing a young orang. Christening the "Baby." Its strange and restless actions. A shot. A wild animal. The wildcat. Enemy of the orang-outan. Distances deceptive, and why. Peculiar sensations at altitudes. Tableland. The fifth day. Discovery of a broad river. Progress barred.”