| Publication Type: | Journal Article |
| Year of Publication: | 1969 |
| Authors: | D. W. Hope, Murphy D. G. |
| Journal: | Proceedings of the Biological Society of Washington |
| Volume: | 82 |
| Pagination: | 511–518 |
| Publication Type: | Journal Article |
| Year of Publication: | 1969 |
| Authors: | D. W. Hope, Murphy D. G. |
| Journal: | Proceedings of the Biological Society of Washington |
| Volume: | 82 |
| Pagination: | 511–518 |