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The Land That Time Forgot · Chapter

IV explained

The crew of the U-33 navigates the treacherous river into the interior of Caprona, encountering prehistoric creatures and discovering a subterranean river entrance.

What happens

The crew of the U-33 navigates the treacherous river into the interior of Caprona, encountering prehistoric creatures and discovering a subterranean river entrance. They hunt a plesiosaur for fresh meat, survive rapids, and emerge into a strange, primeval landscape teeming with life. After days of searching along the coast, they find a freshwater current and identify a cave opening at the base of a cliff, revealing the river's source.

Themes in this chapter

  • Exploration and Discovery

    The crew ventures up an unknown river, discovers a subterranean entrance, and encounters a prehistoric ecosystem, embodying the thrill of discovery.

  • Survival and Evolution

    Hunting the plesiosaur for food, navigating dangerous rapids, and adapting to a hostile environment highlight the struggle for survival.

  • Isolation and Entrapment

    The forbidding cliffs and impregnable coastline emphasize the crew's isolation and entrapment within Caprona's mysterious world.

Characters to notice

  • Bowen J. Tyler

    Narrator and commander of the U-33; leads the river exploration, hunts a plesiosaur, and discovers the subterranean river entrance.

  • Bradley

    Lieutenant and companion; assists in navigation, tastes the freshwater, and helps identify the river's source.

  • Olson

    Crew member; decapitates the attacking plesiosaur with an axe and suggests the freshwater might come from a submarine geyser.

  • Nobs

    Tyler's dog; brought on deck by Olson during the emergence into the strange landscape.

  • Lys La Rue

    Mentioned as the girl Tyler tried to make advances to, but she rebuffed him, leaving him downhearted.

Key passages

  • I let it have a bullet right between the eyes. The thing stopped then and looked at me a moment as much as to say: “Why this thing has a stinger! I must be careful.”

    Tyler shoots the plesiosaur between the eyes, and it pauses as if realizing the weapon is dangerous.

    Highlights Tyler's resourcefulness and the creature's primitive reaction.

  • We were in the middle of a broad and now sluggish river the banks of which were lined by giant, arboraceous ferns, raising their mighty fronds fifty, one hundred, two hundred feet into the quiet air.

    The U-33 emerges into a wide, slow river surrounded by enormous ferns towering up to two hundred feet.

    Describes the surreal, prehistoric landscape of Caprona.

  • “It’s the subterranean channel of an inland river,” I cried. “It flows through

    Tyler exclaims that the opening in the cliff is the underground passage of a river flowing from inland.

    Reveals the discovery of the river's hidden entrance into Caprona.