@misc{indiciaeff6003deca97,
  title = {Mental evolution in animals / by George John Romanes. With a posthumous essay on instinct / by Charles Darwin — Illustration, BHL page 26445003},
  year = {1883},
  url = {https://www.biodiversitylibrary.org/page/26445003},
  note = {Source identifier: page-26445003}
}