@misc{indiciaef0c270fccf30,
  title = {Practical zoölogy : an elementary text-book treating of the structure, life, history, and relations of animals — Illustration, Page 151},
  year = {1906},
  url = {https://www.biodiversitylibrary.org/page/20719090},
  note = {Source identifier: page-20719090}
}