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It [variation and natural selection] would explain, says Mr. Darwin, the unity of type which runs through the whole organic world, and why there is s… - Charles Lyell
" "It [variation and natural selection] would explain, says Mr. Darwin, the unity of type which runs through the whole organic world, and why there is sometimes a fundamental agreement in structure in the same class of beings which is quite independent of their habits of life, for such structure, derived by inheritance from a remote progenitor, has been modified, in the course of ages, in different ways, according to the conditions of existence. It would also explain why all living and extinct beings are united, by complex radiating and circuitous lines of affinity with one another, into one grand system; also, there having been a continued extinction of old races and species in progress, and a formation of new ones by variation, why in some genera which are largely represented, or to which a great many species belong, many of these are closely but unequally related; also, why there are distinct geographical provinces of species of animals and plants, for, after long isolation by physical barriers, each fauna and flora, by varying continually, must become distinct from its ancestral type, and from the new forms assumed by other descendants which have diverged from the same stock.
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About Charles Lyell
Sir Charles Lyell, 1st Baronet (14 November 1797 – 22 February 1875) was the foremost geologist of his day. He is best known as the author of Principles of Geology, which popularized James Hutton's concepts of uniformitarianism. Lyell was a close and influential friend of Charles Darwin.
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Alternative Names:
Sir Charles Lyell, 1st Baronet
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Sir Charles Lyell of Kinnordy, 1st and last Bt.
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Sir Charles Lyell
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Additional quotes by Charles Lyell
The clear and philosophical views of Fracastoro were disregarded, and the talent and argumentative powers of the learned were doomed for three centuries to be wasted in the discussion of these two simple and preliminary questions: first, whether fossil remains had ever belonged to living creatures; and secondly, whether, if this be admitted, all the phenomena could be explained by the Noachian deluge.
Quirini, in 1676, contended in opposition to Scilla, that the diluvian waters could not have conveyed heavy bodies to the summit of mountains, since the agitation of the sea never (as Boyle had demonstrated) extended to great depths, and still less could the testacea, as some pretended, have lived in these diluvian waters, for 'the duration of the flood was brief, and the heavy rains must have destroyed the saltness of the sea! He was the first writer who ventured to maintain that the universality of the Noachian cataclysm ought not to be insisted upon. ...Visionary as was this doctrine, it gained many proselytes even amongst the more sober reasoners of Italy and Germany, for it conceded both that fossil bodies were organic, and that the diluvial theory could not account for them.
Lamarck taught not only that species had been constantly undergoing changes from one geological period to another, but that there also had been a progressive advance of the organic world from the earliest to the latest times, from beings of the simplest to those of more and more complex structure and from the lowest instincts up to the highest, and, finally, from brute intelligence to the reasoning powers of Man. The improvement in the grade of being had been slow and continuous, and the human race itself was at length evolved out of the most highly organised and endowed of the inferior mammalia.
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