@misc{indiciae962a31994ba3,
  title = {Profitable poultry. : [Supplementary material in Charles Darwin's copy] / Profitable poultry — Illustration, Page 23 / Figure(s)},
  year = {1854},
  url = {https://www.biodiversitylibrary.org/page/33902256},
  note = {Source identifier: page-33902256}
}