On the Origin of Species by Means of Natural Selection, Or The Preservation of Favoured Races in the Struggle for Life"...All the foregoing rules and aids and difficulties in classification are explained, if I do not greatly deceive myself, on the view that the natural system is founded on descent with modification; that the characters which naturalists consider as showing true affinity between any two or more species, are those which have been inherited from a common parent, and, in so far, all true classification is genealogical; that community of descent is the hidden bond which naturalists have been unconsciously seeking, and not some unknown plan of creation, or the enunciation of general propositions, and the mere putting together and separating objects more or less alike. But I must explain my meaning more fully..." This re-print of Charles Darwin's 1859 publication of "On The Origin of Species" has been carefully formatted to improve readability and to ensure that the page numbers match, as closely as possible, the original table of contents and index for quick referencing and scholarly quotation of the author's 'First Edition'. |
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Page 16
... ranked by some competent judges as mere varieties , and by other competent judges as the descendants of aboriginally distinct species . If any marked distinction existed between domestic races and species , this source of doubt could ...
... ranked by some competent judges as mere varieties , and by other competent judges as the descendants of aboriginally distinct species . If any marked distinction existed between domestic races and species , this source of doubt could ...
Page 22
... wild birds , would certainly , I think , be ranked by him as well - defined species . Moreover , I do not believe that any ornithologist would place the English carrier , the short - faced tumbler , 22 CHAP . I. DOMESTIC PIGEONS .
... wild birds , would certainly , I think , be ranked by him as well - defined species . Moreover , I do not believe that any ornithologist would place the English carrier , the short - faced tumbler , 22 CHAP . I. DOMESTIC PIGEONS .
Page 36
... improvement , through the occasional preservation of the best indi- viduals , whether or not sufficiently distinct to be ranked at their first appearance as distinct varieties , and whether 36 CHAP . I. UNCONSCIOUS SELECTION .
... improvement , through the occasional preservation of the best indi- viduals , whether or not sufficiently distinct to be ranked at their first appearance as distinct varieties , and whether 36 CHAP . I. UNCONSCIOUS SELECTION .
Page 47
... ranked as a variety of another , not because the intermediate links have actually been found , but because analogy leads the observer to suppose either that they do now somewhere exist , or may formerly have existed ; and here a wide ...
... ranked as a variety of another , not because the intermediate links have actually been found , but because analogy leads the observer to suppose either that they do now somewhere exist , or may formerly have existed ; and here a wide ...
Page 48
... ranked by one botanist as good species , and by another as mere varieties . Mr. H. C. Watson , to whom I lie under ... ranked by botanists as species ; and in making this list he has omitted many trifling varieties , but which never ...
... ranked by one botanist as good species , and by another as mere varieties . Mr. H. C. Watson , to whom I lie under ... ranked by botanists as species ; and in making this list he has omitted many trifling varieties , but which never ...
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Common terms and phrases
adapted affinities allied species America analogous variations ancient animals appear become bees believe birds breeds cause cells characters cirripedes climate closely allied colour common parent continuous crossed crustaceans degree difficulty distant distinct species divergence domestic doubt embryo existing exterminated extinct extremely facts favourable fertility flowers formations forms fossil Gärtner genera genus geological geological period Glacial period greater number groups of species habits Hence hermaphrodites horse hybrids hybrids produced important individuals inhabitants inherited insects instance instincts intercrossing intermediate larvæ legs less living males mammals manner Marsupials migration modification modified descendants natural selection naturalists nearly nest occasionally offspring organisation perfect pigeons pistil plants pollen probably produced progenitor quagga racters ranked reciprocal crosses remarked resemble rock-pigeon rudimentary organs secondary sexual seeds sexual selection Silurian slight sometimes South America sterility striped structure struggle successive supposed tendency theory tion variability varieties vary whole widely