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 iv
... myself may confess , that they have not that untiring patience in accumulating , and that wonderful skill in using , large masses of facts of the most varied kind , -that wide and accurate physio- logical iv PREFACE .
... myself may confess , that they have not that untiring patience in accumulating , and that wonderful skill in using , large masses of facts of the most varied kind , -that wide and accurate physio- logical iv PREFACE .
Page v
A Series of Essays Alfred Russel Wallace. most varied kind , -that wide and accurate physio- logical knowledge , —that acuteness in devising and skill in carrying out experiments , -and that admirable style of composition , at once clear ...
A Series of Essays Alfred Russel Wallace. most varied kind , -that wide and accurate physio- logical knowledge , —that acuteness in devising and skill in carrying out experiments , -and that admirable style of composition , at once clear ...
Page xiv
... kind of Nest ? —How do young Birds learn to build their first Nest ? Do Birds sing by Instinct or by Imitation ? -Man's Works mainly Imitative - Birds do Alter and Improve their Nests when altered con- ditions require it - Conclusion Pp ...
... kind of Nest ? —How do young Birds learn to build their first Nest ? Do Birds sing by Instinct or by Imitation ? -Man's Works mainly Imitative - Birds do Alter and Improve their Nests when altered con- ditions require it - Conclusion Pp ...
Page 12
... kind : each great river has its peculiar genera , and in more extensive genera its groups of closely allied species . But it is the same throughout Nature ; every class and order of animals will contribute similar facts . Hitherto no ...
... kind : each great river has its peculiar genera , and in more extensive genera its groups of closely allied species . But it is the same throughout Nature ; every class and order of animals will contribute similar facts . Hitherto no ...
Page 32
... kind of food must diminish in proportion . The numbers that die annually must be immense ; and as the individual existence of each animal depends upon itself , those that die must be - the weakest the very young , the aged , 32 ON THE ...
... kind of food must diminish in proportion . The numbers that die annually must be immense ; and as the individual existence of each animal depends upon itself , those that die must be - the weakest the very young , the aged , 32 ON THE ...
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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 |
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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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