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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
In the absence or scarcity of facts and observations as to varieties occurring among wild animals, this argument has had great weight with naturalists, and has led to a very general and somewhat prejudiced belief in the stability of species.
- Alfred Russel Wallace
- 2016
On the tendency of varieties to depart indefinitely from the original type. Alfred Russel Wallace. Um dos mais fortes argumentos para provar a distinção original e permanente das espécies, repetidamente aduzido, é que as variedades produzidas em estado doméstico são mais ou menos instáveis e, freqüentemente, se deixadas a si mesmas ...
- Alfred Russel Wallace
- 2003
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.
- A. Radcliffe-Smith, Charles Darwin
- 1858
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 ...
29 de set. de 2012 · Em 1858, enquanto sofria de uma febre tropical, ele escreveu o ensaio On the tendency of varieties to depart indefinitely from the original type (“Sobre a tendência das variedades de se afastarem indefinidamente do tipo original”, em tradução livre).
This paper identifies an optimum seven-region mammal faunal classification system based on spatial and phylogenetic data from a comprehensive 2013 review, and examines the possibility that this classification provides supporting evidence for a Spinoza-influenced philosophical/theoretical model of the “natural system” concept developed by ...
