@misc{indiciaecd20fb00eeda,
  title = {Micrographia illustrata: or, The microscope explained ... Likewise, a natural history of aerial, terrestrial, and aquatic animals, \&c., considered as microscopic objects — Illustration, Pl. 20},
  year = {1771},
  url = {https://www.biodiversitylibrary.org/page/56198518},
  note = {Source identifier: page-56198518}
}