@misc{indiciaefb62d1597be5,
  title = {Variation and correlation in the crayfish, with special reference to the influence of differentiation and homology of parts — Illustration, Page 15},
  year = {1907},
  url = {https://www.biodiversitylibrary.org/page/10619618},
  note = {Source identifier: page-10619618}
}