@misc{indiciae63f354a1c434,
  title = {Mental evolution in animals / by George John Romanes. With a posthumous essay on instinct / by Charles Darwin — Illustration, BHL page 26445029},
  year = {1883},
  url = {https://www.biodiversitylibrary.org/page/26445029},
  note = {Source identifier: page-26445029}
}