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 xiii
... Insects - Mimicry among Beetles- Beetles mimicking other Insects - Insects mimicking Species of other Orders - Cases of Mimicry among the Vertebrata -- Mimicry among Snakes - Mimicry among Birds - Mimicry among Mammals - Objec- tions to ...
... Insects - Mimicry among Beetles- Beetles mimicking other Insects - Insects mimicking Species of other Orders - Cases of Mimicry among the Vertebrata -- Mimicry among Snakes - Mimicry among Birds - Mimicry among Mammals - Objec- tions to ...
Page xiv
... Insects only - Cause of the dull Colours of Female Birds - Use of the gaudy Colours of many Caterpillars - Summary - General deductions as to Colour in Nature - Conclusion · Pp . 45-129 IV . - The Malayan Papilionidæ , or Swallow ...
... Insects only - Cause of the dull Colours of Female Birds - Use of the gaudy Colours of many Caterpillars - Summary - General deductions as to Colour in Nature - Conclusion · Pp . 45-129 IV . - The Malayan Papilionidæ , or Swallow ...
Page 12
... Insects furnish a countless number of analogous examples ; -the Goliathi of Africa , the Ornithoptera of the Indian Islands , the Heliconidæ of South America , the Danaidæ of the East , and in all , the most closely allied species found ...
... Insects furnish a countless number of analogous examples ; -the Goliathi of Africa , the Ornithoptera of the Indian Islands , the Heliconidæ of South America , the Danaidæ of the East , and in all , the most closely allied species found ...
Page 42
... insects , so closely resembling the soil or leaves or bark on which they habitually reside , are explained on the same principle ; for though in the course of ages varieties of many tints may have occurred , yet those races having ...
... insects , so closely resembling the soil or leaves or bark on which they habitually reside , are explained on the same principle ; for though in the course of ages varieties of many tints may have occurred , yet those races having ...
Page 48
... insect not only assume the exact tint of the bark or leaf it is accustomed to rest on , but the form and veining of the leaf or the exact rugosity of the bark is imitated ; and these detailed modifications cannot be reasonably imputed ...
... insect not only assume the exact tint of the bark or leaf it is accustomed to rest on , but the form and veining of the leaf or the exact rugosity of the bark is imitated ; and these detailed modifications cannot be reasonably imputed ...
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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 |
Common terms and phrases
abundant adapted Amboyna anal valves animals antennæ appear beautiful become bees beetles believe birds Borneo brain build butterflies caterpillars causes Celebes changes character colour concealed conspicuous Crown 8vo curious Danaidæ Darwin Diphilus direction distinct Edition eggs essay exactly existence external extinct Extra fcap facts faculties favourable Fcap flowers genera genus geological groups habits Heliconidæ imitation India individuals inhabiting insects instinct islands Java larvæ 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 Papilionidæ 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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