The Island of Doctor Moreau, Chapter 15 summary
Chapter 15 of 23 · 8 min to read the chapter
In Chapter 15, Montgomery explains how Moreau controls the Beast Folk through fixed beliefs and the Law, although animal instincts repeatedly challenge these restraints. The narrator describes the island’s inhabitants and gradually finds them more familiar, while their bodies and behavior continue to expose the limits of their human appearance.
What happens
- The narrator checks his room’s security and keeps a revolver ready when M’ling brings breakfast.
- Montgomery explains that implanted beliefs restrain the Beast Folk, but the Law loses strength against animal instincts, especially near nightfall.
- The narrator describes the island, its population, and the creatures’ offspring, which do not inherit their parents’ acquired human features.
- He surveys the Beast Folk’s varied bodies and explains how Montgomery comes to regard them as nearly human.
- M’ling remains devoted to Montgomery despite receiving both affection and violent abuse.
- The narrator grows accustomed to the creatures, but teeth, eyes, and nails repeatedly reveal their animal nature.

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In this chapter
What to notice
The narrator explains his growing acceptance of the Beast Folk through familiarity. His changing perception makes the boundary between human and animal seem less secure.
Quick check
When does Montgomery say the Law becomes weaker?

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