| Publication Type: | Journal Article |
| Year of Publication: | 1944 |
| Authors: | R. Kenk |
| Journal: | Miscellaneous publications / University of Michigan, Museum of Zoology |
| Volume: | 60 |
| Pagination: | 1-44 |
| URL: | http://deepblue.lib.umich.edu/bitstream/handle/2027.42/56305/MP060.pdf?sequence=1 |