| Publication Type: | Journal Article |
| Year of Publication: | 1924 |
| Authors: | R. V. Chamberlin |
| Journal: | Proceedings of the California Academy of Sciences |
| Volume: | 12 |
| Pagination: | 561-694 |
| URL: | http://biostor.org/cache/pdf/6c/f3/0e/6cf30e44cb7e2d2632f92beda8feb984.pdf |