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 iii
... various periodicals , or read before scien- tific societies during the last fifteen years , with others now printed for the first time . The two first of the series are printed without alteration , because , having gained me the ...
... various periodicals , or read before scien- tific societies during the last fifteen years , with others now printed for the first time . The two first of the series are printed without alteration , because , having gained me the ...
Page x
... variable char- acters in relation to nidification . 248 On males choosing or rejecting females , and on the various modes in which colour may be acquired by female birds . PAGE 249 On probable ancestral colours of female birds . X PREFACE .
... variable char- acters in relation to nidification . 248 On males choosing or rejecting females , and on the various modes in which colour may be acquired by female birds . PAGE 249 On probable ancestral colours of female birds . X PREFACE .
Page xv
... Various modes of Protection of Animals - Females of some groups require and obtain more Protection than the Males - Conclusion VIII . - Creation by Law . Pp . 231-263 Laws from which the Origin of Species may be deduced - Mr . Darwin's ...
... Various modes of Protection of Animals - Females of some groups require and obtain more Protection than the Males - Conclusion VIII . - Creation by Law . Pp . 231-263 Laws from which the Origin of Species may be deduced - Mr . Darwin's ...
Page 33
... various degrees of capacity for ensuring the means of preserving life ; and it is thus we account for the abundance or rarity of species . Our ignorance will generally prevent us from accurately tracing the effects to their causes ; but ...
... various degrees of capacity for ensuring the means of preserving life ; and it is thus we account for the abundance or rarity of species . Our ignorance will generally prevent us from accurately tracing the effects to their causes ; but ...
Page 34
A Series of Essays Alfred Russel Wallace. organization and habits of the various species of ani- mals , and could we measure the capacity of each for performing the different acts necessary to its safety and existence under all the ...
A Series of Essays Alfred Russel Wallace. organization and habits of the various species of ani- mals , and could we measure the capacity of each for performing the different acts necessary to its safety and existence under all the ...
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 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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