@misc{indiciae18f8edf11c14,
  title = {Practical zoölogy : an elementary text-book treating of the structure, life, history, and relations of animals — Illustration, Page 177},
  year = {1906},
  url = {https://www.biodiversitylibrary.org/page/20719116},
  note = {Source identifier: page-20719116}
}