# On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection

> paper resulting from the joint presentation of 2 scientific papers to the Linnean Society on 1 July 1858 by Alfred Russel Wallace and Charles Darwin

**Wikidata**: [Q1801903](https://www.wikidata.org/wiki/Q1801903)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/On_the_Tendency_of_Species_to_form_Varieties;_and_on_the_Perpetuation_of_Varieties_and_Species_by_Natural_Means_of_Selection)  
**Source**: https://4ort.xyz/entity/on-the-tendency-of-species-to-form-varieties-and-on-the-perpetuation-of-varieties-and-species-by-natural-means-of-selection


## References

1. [On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection | Zoological Journal of the Linnean Society | Oxford Academic](https://academic.oup.com/zoolinnean/article/3/9/45/2701607)
2. [Source](https://academic.oup.com/zoolinnean/article/3/9/45/2701607)
3. Consolidated OpenCitations Corpus – April 2017
4. Freebase Data Dumps. 2013
5. Crossref