@misc{indiciae39e0d4f985c1,
  title = {Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata — Illustration, Plate 54},
  year = {1892},
  url = {https://www.biodiversitylibrary.org/page/1287421},
  note = {Source identifier: page-1287421}
}