Development of Darwin's Theory - Renewal of Work On Species

Renewal of Work On Species

By September 1854 his second volume of Barnacles had been printed and dispatched, and he turned his attention to Species, telling his cousin William Darwin Fox that he planned to "view all facts that I can master..to see how far they favour or are opposed to the notion that wild species are mutable or immutable". All available information was examined for "hostile facts" and discussed with Hooker, who had resisted what he called Darwin's "Elastic theory" but who was now developing an "utter disbelief of my own Genera and species".

In the Spring of 1855, as the Crimean war developed, Darwin was pondering the war of nature, taking the then current analogy with an industrial economy further than others, and wondering how species spread. He was dismissive of the ideas that others had put forward of sunken continents like Atlantis, and began experimenting in his house with soaking seeds in brine then seeing if they could germinate. He reported his results in Gardeners' Chronicle and roped in his curate friends including Henslow. The consul in Norway sent seed pods which had washed ashore. Hooker was able to identify them as coming from the Caribbean and get them to germinate at Kew. Investigation of variation brought him back to animal husbandry. He now began dissecting domestic animals and breeding pigeons, joining a pigeon fancier's club: very unorthodox behaviour for naturalists at that time.

Huxley had obtained a position and his friends had been having an impact on the establishment. In particular Huxley had strongly dismissed the transmutationist thesis of Chambers' Vestiges. He also argued vociferously against the dominant Owen who had demonstrated fossil evidence of an evolutionary sequence of horses as supporting his idea of development from archetypes in "ordained continuous becoming", and who had in 1854 given a British Association talk on the impossibility of bestial apes such as the recently discovered gorilla standing erect and being transmuted into men. Darwin tried at a gathering at Downe on 22 April 1856 to amiably argue Huxley and Hooker round towards accepting evolution as a process, without going into the mechanism.

Darwin intended to write human beings into Natural Selection through mid-1857. But his work required a tremendous amount of evidence and facts. He left humans out in part because "mutiny in India" had stopped his correspondence with Edward Blyth in Calcutta. Had he included sexual selection, at that time it would have been only the male competition element and not female choice.

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