BRANCH
  • About
  • Credits
  • Home
  • Topic Clusters
  • Contributors
  • How To Submit
  • News
  • How to Use
  • Timeline

Cross-section illustration by Darwin of layers of the earth

Cross-section illustration by Darwin of layers of the earth

Image in the public domain

A diagram of the worm’s alimentary canal from Charles Darwin's _Worms_ Caricature of Charles Darwin from _Punch_ magazine

« Return to entry

BRANCH is an open-access publication      Creative Commons License