@misc{indiciae5dea6affe5e0,
  title = {De metamorphosi eleutheratorum observationes : bidrag til insekternes udviklingshistorie — Illustration, Tab. IV},
  year = {1861},
  url = {https://www.biodiversitylibrary.org/page/9337053},
  note = {Source identifier: page-9337053}
}