@misc{indiciaefeeccbbaae9c,
  title = {Manual of conchology, structural and systematic : with illustrations of the species. Second series, Pulmonata — Illustration, Plate 38},
  year = {1886},
  url = {https://www.biodiversitylibrary.org/page/1288198},
  note = {Source identifier: page-1288198}
}