| Publication Type: | Journal Article |
| Year of Publication: | 1900 |
| Authors: | T. Wayland Vaughan |
| Journal: | Proceedings of the Academy of Natural Sciences of Philadelphia |
| Volume: | 52 |
| Pagination: | 436 - 437 |
| Date Published: | 1900/// |
| URL: | http://archive.org/details/proceedingsofaca52acaduoft |