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도서 Our ignorance of the laws of variation is profound. Not in one case out of a hundred...에 대해 검색한 56개 도서 중 31 - 40
" Our ignorance of the laws of variation is profound. Not in one case out of a hundred can we pretend to assign any reason why this or that part varies more or less from the same part in the parents . . . The external conditions of life, as climate and... "
The Natural History Review - 566 페이지
1864
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Re-creation: A New Aspect of Evolution

Rev. C. W. Formby - 1907 - 279 페이지
...for he writes : — " Our ignorance of the laws of variation is profound. Not in one case out of a hundred can we pretend to assign any reason why this or that part has varied." l Referring to the same subject, the late Duke of Argyll remarked : — " No one knew...
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Evolution and Animal Life: An Elementary Discussion of Facts, Processes ...

David Starr Jordan, Vernon Lyman Kellogg - 1907 - 489 페이지
...••** • BHWenytti. ,/ "Our ignorance of the laws of variation is profound. Not in one case out of a hundred can we pretend to assign any reason why this or that part has varied. But whenever we have the means of instituting a comparison, the same laws ap|x'ar to have...
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Heredity

John Arthur Thomson - 1908 - 605 페이지
...must still be said : " Our ignorance of the laws of variation is profound. Not in one case out of a hundred can we pretend to assign any reason why this or that part has varied." Variability.— The difficulty which every naturalist has felt in trying to define the...
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The Bible of Nature: Five Lectures Delivered Before Lake Forest College ..., 4권

John Arthur Thomson - 1908 - 248 페이지
...repeat Darwin's words, " Our ignorance of the laws of variation is profound. Not in one case out of a hundred can we pretend to assign any reason why this or that part has varied." It is probable that variability is, like growth, a primary quality of living things, and...
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The Origin of Species

Charles Darwin - 1909 - 552 페이지
...sea-shore. Summary. — Our ignorance of the laws of variation is profound. Not in one case out of a hundred can we pretend to assign any reason why this or that part has varied. But whenever we have the means of instituting a comparison, the same laws appear to have...
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Lay Sermons, Addresses and Reviews

Thomas Henry Huxley - 1910 - 378 페이지
...(Summary of Chap. V.) :— " Our ignorance of the laws of variation Is profound. Not in one case out of a hundred can we pretend to assign any reason why this...part varies more or less from the same part in the paieuts. .... The external conditions of life, as climate and food, &c. seem to have induced some slight...
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Darwinism and Human Life: the South African Lectures for 1909

John Arthur Thomson - 1910 - 245 페이지
...confess, with Darwin : " Our ignorance of the laws of variation is profound. Not in one case out of a hundred can we pretend to assign any reason why this or that part has varied." And again he said : " If, as I must think, external characters produce little direct effect,...
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Modern Problems: A Discussion of Debatable Subjects

Sir Oliver Lodge - 1912 - 336 페이지
...from Darwin himself:— "Our ignorance of the laws of variation is profound. Not in one case out of a hundred can we pretend to assign any reason why this...varies more or less from the same part in the parents." Lastly, in these days when women have come so much to the front, and are showing signs of occasionally...
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Evolution at the Bar

Philip Mauro - 1922 - 80 페이지
...insects. Mr. Darwin says: "Our ignorance of the laws of variation is profound. Not in one case out of a hundred can we pretend to assign any reason why this or that part has varied." Thus we are left, as Prof. Fairhurst says, "in almost total darkness as to the cause of...
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The Post-Darwinian Controversies: A Study of the Protestant Struggle to Come ...

James R. Moore - 1981 - 514 페이지
...of variation is profound', Darwin confessed in each edition of the Origin. 'Not in one case out of a hundred can we pretend to assign any reason why this or that part differs, more or less, from the same part in the parents.'7 To variation he did nevertheless assign...
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