![]() | Alfred Russell Wallace Contributions to the theory of Natural Selection, 1870, and Charles Darwin and Alfred Wallace , 'On the Tendency of Species to form Varieties' (Papers presented to the Linnean Society 30th June 1858) |
![hidden image for function call](https://upload.wikimedia.org/wikipedia/commons/c/ca/1x1.png)
![]() | Alfred Russell Wallace Contributions to the theory of Natural Selection, 1870, and Charles Darwin and Alfred Wallace , 'On the Tendency of Species to form Varieties' (Papers presented to the Linnean Society 30th June 1858) |