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On the Tendency of Varieties to DepartOn the Tendency of Varieties to Depart Indefinitely From the Original TypIndefinitely From the Original Typrom the Original Type (1858)e (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 ...
- Alfred Russel Wallace
- 2016
Instability of Varieties supposed to prove the permanent distinctness of Species. O ne 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 n tendency, if left to themselves, to return to the normal form of the parent species; and this ...
- Alfred Russel Wallace
- 2016
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An Essay by Mr. Wallace, entitled "On the Tendency of Varieties to depart indefinitely from the Original Type." This was written at Ternate in February 1858, for the perusal of his friend and correspondent Mr. Darwin, and sent to him with the expressed wish that it should be forwarded to Sir Charles Lyell, if Mr. Darwin thought it sufficiently ...
On the Tendency of Varieties to Depart Indefinitely from the Original Type. The life of wild animals is a struggle for existence. The full exertion of all their faculties and all their energies is ...
"On the Tendency of Species to form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection" is the title of a journal article, comprising and resulting from the joint presentation of two scientific papers to the Linnean Society of London on 1 July 1858: On The Tendency of Varieties to Depart Indefinitely from the Original Type by Alfred Russel Wallace and an ...
- A. Radcliffe-Smith, Charles Darwin
- 1858
On the Tendency of Varieties to. Depart Indefinitely from the Original Type. The attached pdf file contains a near-exact facsimile transcription of this famous work by Alfred Russel Wallace, just as it appeared in its original place of publication, the Journal of the Proceedings of the Linnean Society: Zoology (Volume 3, No. 9, 20 August 1858 ...
On theTendency 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 moreorlessunstable,andoftenhaveatendency,iflefttothemselves,toreturntothenormal
