{"product_id":"2940012484994","title":"THE FOUNDATIONS OF THE ORIGIN OF SPECIES TWO ESSAYS WRITTEN IN 1842 AND 1844","description":"CHAPTER I                                                          57-80\u003cbr\u003e\u003cbr\u003eON THE VARIATION OF ORGANIC BEINGS UNDER DOMESTICATION;\u003cbr\u003eAND ON THE PRINCIPLES OF SELECTION.\u003cbr\u003e\u003cbr\u003e  Variation\u003cbr\u003e  On the hereditary tendency\u003cbr\u003e  Causes of Variation\u003cbr\u003e  On Selection\u003cbr\u003e  Crossing Breeds\u003cbr\u003e  Whether our domestic races have descended from one or more wild stocks\u003cbr\u003e  Limits to Variation in degree and kind\u003cbr\u003e  In what consists Domestication--Summary\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eCHAPTER II                                                        81-111\u003cbr\u003e\u003cbr\u003eON THE VARIATION OF ORGANIC BEINGS IN A WILD STATE;\u003cbr\u003eON THE NATURAL MEANS OF SELECTION; AND ON THE\u003cbr\u003eCOMPARISON OF DOMESTIC RACES AND TRUE SPECIES.\u003cbr\u003e\u003cbr\u003e  Variation\u003cbr\u003e  Natural means of Selection\u003cbr\u003e  Differences between \"Races\" and \"Species\":-first, in their trueness\u003cbr\u003e    or variability\u003cbr\u003e  Difference between \"Races\" and \"Species\" in fertility when crossed\u003cbr\u003e  Causes of Sterility in Hybrids\u003cbr\u003e  Infertility from causes distinct from hybridisation\u003cbr\u003e  Points of Resemblance between \"Races\" and \"Species\"\u003cbr\u003e  External characters of Hybrids and Mongrels\u003cbr\u003e  Summary\u003cbr\u003e  Limits of Variation\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eCHAPTER III                                                      112-132\u003cbr\u003e\u003cbr\u003eON THE VARIATION OF INSTINCTS AND OTHER MENTAL\u003cbr\u003eATTRIBUTES UNDER DOMESTICATION AND IN A STATE OF\u003cbr\u003eNATURE; ON THE DIFFICULTIES IN THIS SUBJECT; AND\u003cbr\u003eON ANALOGOUS DIFFICULTIES WITH RESPECT TO CORPOREAL\u003cbr\u003eSTRUCTURES.\u003cbr\u003e\u003cbr\u003e  Variation of mental attributes under domestication\u003cbr\u003e  Hereditary habits compared with instincts\u003cbr\u003e  Variation in the mental attributes of wild animals\u003cbr\u003e  Principles of Selection applicable to instincts\u003cbr\u003e  Difficulties in the acquirement of complex instincts by Selection\u003cbr\u003e  Difficulties in the acquirement by Selection of complex corporeal\u003cbr\u003e    structures\u003cbr\u003e\u003cbr\u003e\u003cbr\u003ePART II\u003cbr\u003e\u003cbr\u003eON THE EVIDENCE FAVOURABLE AND OPPOSED TO THE VIEW\u003cbr\u003eTHAT SPECIES ARE NATURALLY FORMED RACES, DESCENDED\u003cbr\u003eFROM COMMON STOCKS.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eCHAPTER IV                                                       133-143\u003cbr\u003e\u003cbr\u003eON THE NUMBER OF INTERMEDIATE FORMS REQUIRED ON THE\u003cbr\u003eTHEORY OF COMMON DESCENT; AND ON THEIR ABSENCE\u003cbr\u003eIN A FOSSIL STATE\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eCHAPTER V                                                        144-150\u003cbr\u003e\u003cbr\u003eGRADUAL APPEARANCE AND DISAPPEARANCE OF SPECIES.\u003cbr\u003e\u003cbr\u003e  Gradual appearance of species\u003cbr\u003e  Extinction of species\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eCHAPTER VI\u003cbr\u003e\u003cbr\u003eON THE GEOGRAPHICAL DISTRIBUTION OF ORGANIC BEINGS\u003cbr\u003eIN PAST AND PRESENT TIMES.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eSECTION FIRST                                                    151-174\u003cbr\u003e\u003cbr\u003e  Distribution of the inhabitants in the different continents\u003cbr\u003e  Relation of range in genera and species\u003cbr\u003e  Distribution of the inhabitants in the same continent\u003cbr\u003e  Insular Faunas\u003cbr\u003e  Alpine Floras\u003cbr\u003e  Cause of the similarity in the floras of some distant mountains\u003cbr\u003e  Whether the same species has been created more than once\u003cbr\u003e  On the number of species, and of the classes to which they belong\u003cbr\u003e    in different regions\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eSECOND SECTION                                                   174-182\u003cbr\u003e\u003cbr\u003e  Geographical distribution of extinct organisms\u003cbr\u003e  Changes in geographical distribution\u003cbr\u003e  Summary on the distribution of living and extinct organic beings\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eSECTION THIRD                                                    183-197\u003cbr\u003e\u003cbr\u003e  An attempt to explain the foregoing laws of geographical\u003cbr\u003e    distribution, on the theory of allied species having a\u003cbr\u003e    common descent\u003cbr\u003e  Improbability of finding fossil forms intermediate between\u003cbr\u003e    existing species\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eCHAPTER VII                                                      198-213\u003cbr\u003e\u003cbr\u003eON THE NATURE OF THE AFFINITIES AND CLASSIFICATION\u003cbr\u003eOF ORGANIC BEINGS.\u003cbr\u003e\u003cbr\u003e  Gradual appearance and disappearance of groups\u003cbr\u003e  What is the Natural System?\u003cbr\u003e  On the kind of relation between distinct groups\u003cbr\u003e  Classification of Races or Varieties\u003cbr\u003e  Classification of Races and Species similar\u003cbr\u003e  Origin of genera and families\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eCHAPTER VIII                                                     214-230\u003cbr\u003e\u003cbr\u003eUNITY OF TYPE IN THE GREAT CLASSES; AND\u003cbr\u003eMORPHOLOGICAL STRUCTURES.\u003cbr\u003e\u003cbr\u003e  Unity of Type\u003cbr\u003e  Morphology\u003cbr\u003e  Embryology\u003cbr\u003e  Attempt to explain the facts of embryology\u003cbr\u003e  On the graduated complexity in each great class\u003cbr\u003e  Modification by selection of the forms of immature animals\u003cbr\u003e  Importance of embryology in classification\u003cbr\u003e  Order in time in which the great classes have first appeared\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eCHAPTER IX                                                       231-238\u003cbr\u003e\u003cbr\u003eABORTIVE OR RUDIMENTARY ORGANS.\u003cbr\u003e\u003cbr\u003e  The abortive organs of Naturalists\u003cbr\u003e  The abortive organs of Physiologists\u003cbr\u003e  Abortion from gradual disuse","brand":"SAP","offers":[{"title":"Default Title","offer_id":47170685894896,"sku":"2940012484994","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940012484994_p0.jpg?v=1763569296","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940012484994","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}