@misc{indiciaed1f0b85836d2,
  title = {Treatise on Malacology; or, the natural classification of shells and shell fish. By William Swainson ... — Illustration, Page 220},
  year = {1840},
  url = {https://www.biodiversitylibrary.org/page/20778564},
  note = {Source identifier: page-20778564}
}