Herpetogeography of Puerto Rico. Iv. Paleogeography, Faunal Similarity and Endemism.

@article{Heatwole1967HerpetogeographyOP,
  title={Herpetogeography of Puerto Rico. Iv. Paleogeography, Faunal Similarity and Endemism.},
  author={Harold Heatwole and F Mackenzie},
  journal={Evolution; international journal of organic evolution},
  year={1967},
  volume={21 3},
  pages={429-438}
}