@misc{indiciae6fda1fd91b39,
  title = {Profitable poultry. : [Supplementary material in Charles Darwin's copy] / Profitable poultry — Illustration, Page 42},
  year = {1854},
  url = {https://www.biodiversitylibrary.org/page/33902281},
  note = {Source identifier: page-33902281}
}