Above, two common squirrels sitting on a branch of a tree; middle, a house mouse; below, a rat. Coloured lithograph by B. Hummel after Jemima Blackburn.
- Blackburn, Jemima, 1823-1909.
- Date:
- [1859]
- Reference:
- 40655i
Licence: Public Domain Mark
Credit: Above, two common squirrels sitting on a branch of a tree; middle, a house mouse; below, a rat. Coloured lithograph by B. Hummel after Jemima Blackburn. Wellcome Collection. Source: Wellcome Collection.