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Darwin Correspondence Project

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Instinct and the Evolution of Mind

Summary

Sources|Discussion Questions|Experiment Slave-making ants For Darwin, slave-making ants were a powerful example of the force of instinct. He used the case of the ant Formica sanguinea in the On the Origin of Species to show how instinct operates—how…

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  • … example of the force of instinct. He used the case of the ant Formica sanguinea in the On …
  • … letters with entomological experts who classified the ant species Darwin collected and advised him …
  • … at the British Museum, identifies the species of an ant described by Darwin in a previous letter and …
  • … observation of ants either in your local area or in an ant farm which can be ordered from a supplier …
  • … the Harvard   Museum of Comparative Zoology’s ant collection. The collection is the largest in …
  • … slave-making ants. If you do not have access to an ant collection, there are many other ways …
  • … to make hives. Alternatively, you can observe ants in an ant farm – you can order one from a …

Darwin in letters, 1874: A turbulent year

Summary

The year 1874 was one of consolidation, reflection, and turmoil for Darwin. He spent the early months working on second editions of Coral reefs and Descent of man; the rest of the year was mostly devoted to further research on insectivorous plants. A…

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  • … district asylum; his work included a detailed study of ant brains in relation to the evolution of …
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