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On the Tendency of Varieties to Depart Indefinitely From the Original Type (1858) By Alfred Russel Wallace. Transcribed and Edited by Charles H. Smith, Ph.D. This is the famous “Ternate essay” introducing natural selection that Wallace sent to Charles Darwin in early 1858.
- Alfred Russel Wallace
- 2016
On the Tendency of Varieties to depart indefinitely from the Original Type; Alfred Russel Wallace; Book: Contributions to the Theory of Natural Selection; Online publication: 29 August 2010; Chapter DOI: https://doi.org/10.1017/CBO9780511693106.004
- Alfred Russel Wallace
- 2016
On the tendency of species to form varieties; and on the perpetuation of varieties and species by natural means of selection. Journal of the Proceedings of the Linnean Society of London, Zoology, 3 (9): 45-62. [with an introduction by Charles Lyell and Joseph Hooker].
On the Tendency of Varieties to Depart Indefinitely from the Original Type. The Struggle for Existence. The life of wild animals is a struggle for existence. The full...
On the Tendency of Varieties to Depart Indefinitely from the Original Type. Alfred Russel Wallace. One of the strongest arguments which have been adduced to prove the original and permanent distinctness of species is, that varieties produced in a state of domesticity are more or less unstable, and often have a tendency, if left to themselves ...
Wallace wrote his paper On The Tendency of Varieties to Depart Indefinitely from the Original Type at Ternate in February 1858 and sent it to Darwin with a request to send it on to Lyell. Darwin received it on 18 June 1858, [3] and wrote to Lyell that "your words have come true with a vengeance,... forestalled" and "If Wallace had my MS. sketch ...
May 15, 2005 · Michael Bulmer. Published: 15 May 2005 https://doi.org/10.1098/rsnr.2004.0081. Abstract. Summary. Wallace's 1858 paper ‘On the tendency of varieties to depart indefinitely from the original type’ is often thought to present a theory of natural selection identical with that of Darwin.
