Darwinism: An Exposition of the Theory of Natural Selection, with Some of Its ApplicationsMacmillan and Company, 1889 - 494 páginas |
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Página 113
... larvae of insects have thus been wonderfully modified in order to escape the numerous enemies to whose attacks they are exposed at this period of their existence . Their colours and markings have become marvellously adapted to conceal ...
... larvae of insects have thus been wonderfully modified in order to escape the numerous enemies to whose attacks they are exposed at this period of their existence . Their colours and markings have become marvellously adapted to conceal ...
Página 197
... larvæ on the same plant but exposed to differently coloured surroundings , obtained by sewing the leaves together ... larvae of several of our common butterflies were the means of clearing up several important points . He showed that ...
... larvæ on the same plant but exposed to differently coloured surroundings , obtained by sewing the leaves together ... larvae of several of our common butterflies were the means of clearing up several important points . He showed that ...
Página 210
... larvae of the genus Papilio when alarmed , is , no doubt , a protection against the attacks of ichneumons , and may , per- haps , also frighten small birds ; and the habit of turning up the tail possessed by the harmless rove - beetles ...
... larvae of the genus Papilio when alarmed , is , no doubt , a protection against the attacks of ichneumons , and may , per- haps , also frighten small birds ; and the habit of turning up the tail possessed by the harmless rove - beetles ...
Página 236
... larvae of the spurge hawk - moth , of the buff - tip , and many others . Some of these caterpillars are wonderfully conspicuous , as in the case of that noticed by Mr. Bates in South America , which was four inches long , banded across ...
... larvae of the spurge hawk - moth , of the buff - tip , and many others . Some of these caterpillars are wonderfully conspicuous , as in the case of that noticed by Mr. Bates in South America , which was four inches long , banded across ...
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