Darwinism And Human Life; The South African Lectures For 1909 by John Arthur ThomsonDarwinism And Human Life; The South African Lectures For 1909 by John Arthur Thomson

Darwinism And Human Life; The South African Lectures For 1909

byJohn Arthur Thomson

Paperback | January 31, 2012

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1910. Excerpt: ... general idea of selection are to be found in various pre-Darwinian documents,1 but it was to Malthus only that Darwin, who was very generous in dealing with anticipations, owned any debt. He speaks of this in a well-known passage in his "Autobiography ": "In October, 1838, fifteen months after I had begun my systematic inquiry, I happened to read for amusement 'Malthus on Population,' and, being well prepared to appreciate the struggle for existence which everywhere goes on from long-continued observations of the habits of animals and plants, it at once struck me that, under these circumstances, favourable variations would tend to be preserved and unfavourable ones to be destroyed. The result of this would be the formation of new species. Here, then, I had at last got a theory by which to work." Twenty years after--Darwin having published no theory meanwhile--history repeated itself. Alfred Russel Wallace was collecting insects at Ternate and suffering badly from fever. As he was resting one day between fits, he happened to recall Malthus' "Principles of Population" which he had read about twelve years before--the first book that he had come across approaching philosophical biology. He thought of what Malthus had said regarding the way disease, famine, and war keep down the population of savage races to a much lower average than that of civilised peoples; he thought of the similar elimination that goes on in the animal world, and it occurred to him to ask the question, "Why do some die and some live?" "And the answer was, clearly, that on the whole the best fitted live. From the effects of disease the most Healthy escaped; from enemies, the strongest, the swiftest, 01 the most cunning; from famine, the best hunters or those with the best digestion; and so...
Title:Darwinism And Human Life; The South African Lectures For 1909Format:PaperbackDimensions:62 pages, 9.69 × 7.44 × 0.13 inPublished:January 31, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217827616

ISBN - 13:9780217827614