@misc{indiciae15bb8382c914,
  title = {I. Sexual, individual, and geographical variation in leucosticte tephrocotis, II.Geographical variation among North American mammals, especially in respect to size},
  author = {J. A. Allen},
  year = {1876},
  doi = {10.3133/70157321},
  url = {https://pubs.usgs.gov/publication/70157321},
  note = {Source identifier: 70157321}
}