@misc{indiciae83aca2befbd9,
  title = {Carnegie Institution of Washington publication / Studies on the variation, distribution, and evolution of the genus Partula — Illustration, BHL page 20117455},
  year = {1932},
  url = {https://www.biodiversitylibrary.org/page/20117455},
  note = {Source identifier: page-20117455}
}