@misc{indiciae68385b8fafa8,
  title = {Variation and correlation in the crayfish with special reference to the influence of differentiation and homology of parts — Illustration, BHL page 19633656},
  year = {1907},
  url = {https://www.biodiversitylibrary.org/page/19633656},
  note = {Source identifier: page-19633656}
}