| Publication Type: | Journal Article |
| Year of Publication: | 1958 |
| Authors: | J. S. Ryland |
| Journal: | Annals and Magazine of Natural History |
| Volume: | Ser.13, 1 |
| Start Page: | 317 |
| Pagination: | 317-320 |
| Date Published: | 05/1958 |
| Publication Type: | Journal Article |
| Year of Publication: | 1958 |
| Authors: | J. S. Ryland |
| Journal: | Annals and Magazine of Natural History |
| Volume: | Ser.13, 1 |
| Start Page: | 317 |
| Pagination: | 317-320 |
| Date Published: | 05/1958 |