The Works of Charles Darwin.
By: Barrett, Paul H.
Contributor(s): Darwin, Charles | Darwin, Sir Francis | Freeman, R. B | Gautrey, Peter J.Material type: TextSeries: eBooks on Demand.The Pickering Masters: Publisher: Abingdon, Oxon : Taylor and Francis, 2016Copyright date: ©1992Description: 1 online resource (233 pages).Content type: text Media type: computer Carrier type: online resourceISBN: 9781315477282.Subject(s): Natural selectionGenre/Form: Electronic books.Additional physical formats: Print version:: The Works of Charles Darwin: Vol 10: The Foundations of the Origin of Species: Two Essays Written in 1842 and 1844 (Edited 1909)LOC classification: QH365.O15.W67 2016Online resources: Click here to view this ebook.
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|QH363 Victorian Sensation :||QH365 -- .O2 2008b On the Origin of Species.||QH365 .D8 J64 2014 Darwin's Dice :||QH365.O15.W67 2016 The Works of Charles Darwin.||QH365 .O2 1959 The origin of species :||QH365.O8 -- R49 2010 The Origin Then and Now :||QH365.O8 R49 2011 The Origin then and now :|
Cover -- Half Title -- Title Page -- Copyright Page -- Introduction to Volume Ten -- Dedication -- Table of Contents -- Introduction -- The Essay of 1842 -- Part I -- Section I : On variation under domestication, and on the principles of selection -- Section II: On variation in a state of nature and on the natural means of selection -- Section III : On variation in instincts and other mental attributes -- Part II -- Sections IV and V: On the evidence from Geology. (The reasons for combining the two sections are given in the Introduction) -- Section VI : Geographical distribution -- Section VII : Affinities and classification -- Section VIII : Unity of type in the great classes -- Section IX: Abortive organs -- Section X: Recapitulation and conclusion -- The Essay of 1844 -- Part I -- Chapter I On the variation of organic beings under domestication: and on the principles of selection -- Chapter II On the variation of organic beings in a wild state -- on the natural means of selection -- and on the comparison of domestic races and true species -- Variation -- Natural means of Selection -- Differences between 'Races' and 'Species': first , in their trueness or variability -- Difference between 'Races' and 'Species' in fertility when crossed -- Causes of Sterility in Hybrids -- Infertility from causes distinct from hybridization -- Points of Resemblance between 'Races' and 'Species' -- External characters of Hybrids and Mongrels -- Summary -- Limits of Variation -- Chapter III On the variation of instincts and other mental attributes under domestication and in state of nature -- on the difficulties in this subject -- and on analogous difficulties with respect to corporeal structures -- Variation of mental attributes under domestication -- Hereditary habits compared with instincts -- Variation in the mental attributes of wild animals.
Principles of Selection applicable to instincts -- Difficulties in the acquirement of complex instincts by Selection -- Difficulties in the acquirement by Selection of complex corporeal structures -- Part II On the evidence favourable and opposed to the view that species are naturally formed races, descended from common stocks -- Chapter IV On the number of intermediate forms required on the theory of common descent -- and on their absence in a fossil state -- Chapter V Gradual appearance and disappearance of species -- Gradual appearance of species -- Extinction of species -- Chapter VI On the geographical distribution of organic beings in past and present times -- Section I -- Distribution of the inhabitants in the different continents -- Relation of range in genera and species -- Distribution of the inhabitants in the same continent -- Insular Faunas -- Alpine Floras -- Cause of the similarity in the floras of some distant mountains -- Whether the same species has been created more than once -- On the number of species, and of the classes to which they belong in different regions -- Section II -- Geographical distribution of extinct organisms -- Changes in geographical distribution -- Summary on the distribution of living and extinct organic beings -- Section III -- An attempt to explain the foregoing laws of geographical distribution, on the theory of allied species having a common descent -- Improbability of finding fossil forms intermediate between existing species -- Chapter VII On the nature of the affinities and classification of organic beings -- Gradual appearance and disappearance of groups -- What is the Natural System? -- On the kind of relation between distinct groups -- Classification of Races or Varieties -- Classification of Races and Species similar -- Origin of genera and families -- Chapter VIII Unity of type in the great classes.
and morphological structures -- Unity of Type -- Morphology -- Embryology -- Attempt to explain the facts of embryology -- On the graduated complexity in each great class -- Modification by selection of the forms of immature animals -- Importance of embryology in classification -- Order in time in which the great classes have first appeared -- Chapter IX Abortive or rudimentary organs -- The abortive organs of naturalists -- The abortive organs of physiologist -- Abortion from gradual disuse -- Chapter X Recapitulation and conclusion -- Recapitulation -- Why do we wish to reject the theory of common descent? -- Conclusion -- Index -- Portrait -- Facsimile.
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