| Publication Type: | Journal Article |
| Year of Publication: | 1950 |
| Authors: | Britten, H. |
| Journal: | 29th Report of the Lancashire and Cheshire Fauna Committee (1949): 93-107. |
| Pagination: | 55 |
| Publication Type: | Journal Article |
| Year of Publication: | 1950 |
| Authors: | Britten, H. |
| Journal: | 29th Report of the Lancashire and Cheshire Fauna Committee (1949): 93-107. |
| Pagination: | 55 |