@misc{indiciae369bda1b30f5,
  title = {Profitable poultry. : [Supplementary material in Charles Darwin's copy] / Profitable poultry — Illustration, Page 48},
  year = {1854},
  url = {https://www.biodiversitylibrary.org/page/33902287},
  note = {Source identifier: page-33902287}
}