| Publication Type: | Journal Article |
| Year of Publication: | 1907 |
| Authors: | W. E. Ritter |
| Journal: | University of California Publications in Zoology |
| Volume: | 4(1) |
| Start Page: | 1 |
| Pagination: | 1-52 |
| Publication Type: | Journal Article |
| Year of Publication: | 1907 |
| Authors: | W. E. Ritter |
| Journal: | University of California Publications in Zoology |
| Volume: | 4(1) |
| Start Page: | 1 |
| Pagination: | 1-52 |