Darwinism: An Exposition of the Theory of Natural Selection, with Some of Its ApplicationsMacmillan and Company, 1889 - 494 páginas |
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Página xi
... butterflies - Protective resemblance among marine animals - Pro- tection by terrifying enemies - Alluring coloration - The coloration of birds ' eggs - Colour as a means of recognition - Summary of the preceding exposition — Influence ...
... butterflies - Protective resemblance among marine animals - Pro- tection by terrifying enemies - Alluring coloration - The coloration of birds ' eggs - Colour as a means of recognition - Summary of the preceding exposition — Influence ...
Página xii
... Butterflies - Caterpillars - Mimicry - How mimicry has been produced - Heliconidæ - Perfection of the imitation - Other cases of mimicry among Lepidoptera - Mimicry among protected groups - Its explanation — Extension of the principle ...
... Butterflies - Caterpillars - Mimicry - How mimicry has been produced - Heliconidæ - Perfection of the imitation - Other cases of mimicry among Lepidoptera - Mimicry among protected groups - Its explanation — Extension of the principle ...
Página 44
... ( butterflies and moths ) that the most numerous cases of variation have been observed , and every good collection of these insects affords striking examples . I will first adduce the testimony of Mr. Bates , who speaks of the butterflies ...
... ( butterflies and moths ) that the most numerous cases of variation have been observed , and every good collection of these insects affords striking examples . I will first adduce the testimony of Mr. Bates , who speaks of the butterflies ...
Página 45
... butterfly ( Terias hecabe ) ranges over the whole of the Indian and Malayan regions to Australia , and everywhere exhibits ... butterflies might be increased indefinitely , but it is as well to note that such important characters as the ...
... butterfly ( Terias hecabe ) ranges over the whole of the Indian and Malayan regions to Australia , and everywhere exhibits ... butterflies might be increased indefinitely , but it is as well to note that such important characters as the ...
Página 46
... butterflies , and other cases have been since described . The larvæ of butter- flies and moths are also very variable , and one observer recorded in the Proceedings of the Entomological Society for 1870 no less than sixteen varieties of ...
... butterflies , and other cases have been since described . The larvæ of butter- flies and moths are also very variable , and one observer recorded in the Proceedings of the Entomological Society for 1870 no less than sixteen varieties of ...
Outras edições - Ver tudo
Darwinism: An Exposition of the Theory of Natural Selection, with Some of ... Alfred Russel Wallace Visualização integral - 1890 |
Darwinism: An Exposition of the Theory of Natural Selection, with Some of ... Alfred Russel Wallace Visualização integral - 1890 |
Darwinism: An Exposition of the Theory of Natural Selection ..., Volumes 1-2 Alfred Russel Wallace Visualização integral - 1889 |
Palavras e frases frequentes
abundant adapted adduced allied species America amount animals and plants appears birds breed brilliant butterflies cause characters climate closely allied colours of animals common concealment conspicuous continued cross-fertilisation crossed curious Darwin dicotyledons distinct species domestic animals effects eggs enemies Eocene evidence extinct facts faculty favourable female fertile fertilised flowers genera genus geological groups habits hybrids important increase individuals infertility inhabit insects intercrossing kind larva larvæ less living male mammalia mammals markings marsupials mimicry Miocene mode modified moths natural selection naturalists nests occur offspring organs Origin of Species peculiar pigeons Pliocene pollen portion possess probably produced Professor protectively coloured pupa regions remarkable resemblance seeds self-fertilisation Silurian similar specimens spots sterility structure struggle for existence supposed tail theory tints tion toes trees tropical usually variability variation varied varieties vegetation warning colours whole wild wings Zealand