| Publication Type: | Journal Article |
| Year of Publication: | 1939 |
| Authors: | L. H. Hyman |
| Journal: | Proceedings of the United States National Museum |
| Volume: | 86 |
| Issue: | 3055 |
| Pagination: | 419-439 |
| URL: | http://www.biodiversitylibrary.org/page/7569365#page/507/mode/1up |