Contributions to the Theory of Natural Selection: A Series of EssaysMacmillan, 1871 - 384 pages Wallace noticed on expeditions to the Amazon and the Malay archipelego that mammals in Southeast Asia are more advanced than their Australian cousins. His suggestion was that the two continents had split before the better adapted mammals had evolved in Asia. The isolated Australian marsupials were able to thrive, whilst those in Asia were driven to extinction by competition from more advanced mammals. This led to his theory of natural selection, which he presented to the Linnean Society in 1858 with Charles Darwin. This volume reprints those papers presented to the Linnean Society. |
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Page vii
... INSTINCT IN MAN AND ANIMALS . Not previously published . VI . THE PHILOSOPHY OF BIRDS ' NESTS . First published in the " Intellectual Observer , " July , 1867. Reprinted with considerable emendations and additions . VII . A THEORY OF ...
... INSTINCT IN MAN AND ANIMALS . Not previously published . VI . THE PHILOSOPHY OF BIRDS ' NESTS . First published in the " Intellectual Observer , " July , 1867. Reprinted with considerable emendations and additions . VII . A THEORY OF ...
Page xiv
... Instinct in Man and Animals . How Instinct may be best Studied — Definition of Instinct - Does Man possess Instincts ? -IIow Indians travel through unknown and track- less Forests • · Pp . 201-210 VI . — The Philosophy of Birds ' Nests .
... Instinct in Man and Animals . How Instinct may be best Studied — Definition of Instinct - Does Man possess Instincts ? -IIow Indians travel through unknown and track- less Forests • · Pp . 201-210 VI . — The Philosophy of Birds ' Nests .
Page 47
... instinct or of habit , no relations between species or between groups of species - can exist , but which must now be or once have been useful to the individuals or the races which possess them . This great principle gives us a clue ...
... instinct or of habit , no relations between species or between groups of species - can exist , but which must now be or once have been useful to the individuals or the races which possess them . This great principle gives us a clue ...
Page 68
... instinct or habit , must have occurred to produce the perfect adaptation we now behold . All these are known to vary , and favourable variations when not accompanied by others that were unfavourable , would certainly survive . At one ...
... instinct or habit , must have occurred to produce the perfect adaptation we now behold . All these are known to vary , and favourable variations when not accompanied by others that were unfavourable , would certainly survive . At one ...
Page 69
... instincts are in every case adapted to the conditions of their existence . The porcupine and the hedgehog have a defensive armour that saves them from the attacks of most animals . The tortoise is not injured by the conspicuous colours ...
... instincts are in every case adapted to the conditions of their existence . The porcupine and the hedgehog have a defensive armour that saves them from the attacks of most animals . The tortoise is not injured by the conspicuous colours ...
Other editions - View all
Contributions to the Theory of Natural Selection: A Series of Essays ... Alfred Russel Wallace No preview available - 2018 |
Contributions to the Theory of Natural Selection: A Series of Essays Alfred Russel Wallace No preview available - 2016 |
Common terms and phrases
abundant adapted Amboyna anal valves animals antenn¿ appear beautiful become bees beetles believe birds Borneo brain build butterflies caterpillars causes Celebes changes character colour concealed conspicuous Crown 8vo curious Danaid¿ Darwin Diphilus direction distinct Edition eggs essay exactly existence external extinct Extra fcap facts faculties favourable Fcap flowers genera genus geological groups habits Heliconid¿ imitation India individuals inhabiting insects instinct islands Java larv¿ Lepidoptera less Malayan male materials mental mimic mimicry mode modified Moluccas moths natural selection nectary nest never observations occur organic Origin of Species Ormenus Pammon Papilio Papilio Ulysses Papilionid¿ peculiar perfect phenomena POEMS Polydorus possess present probably produced Professor protection races reason regions remarkable render resemble savage sexes sexual sexual selection shown structure Sumatra tail theory of natural Theseus tints tion trees tropical variation varied varieties whole wings young birds
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