| Authors | |
|---|---|
| Title | The problem of closely related species living in the same area. |
| Pagination | Pp. 303-328 in: |
| Year | 1940 |
| Date | 1940 |
| Type | Nested reference |
| Bolton key | – |
| Nested in | Huxley, 1940 |
| PDF link | – |
| Public notes | Taxonomy of Myrmica and Lasius discussed (pp. 317-320). |