| Publication Type: | Journal Article |
| Year of Publication: | 1888 |
| Authors: | A. S. Packard |
| Journal: | Memoirs of the national Academy of Sciences |
| Volume: | 4 |
| Pagination: | 3-156. |
| Publication Type: | Journal Article |
| Year of Publication: | 1888 |
| Authors: | A. S. Packard |
| Journal: | Memoirs of the national Academy of Sciences |
| Volume: | 4 |
| Pagination: | 3-156. |