Darwinism: An Exposition of the Theory of Natural Selection, with Some of Its ApplicationsMacmillan and Company, 1889 - 494 páginas |
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Página xiv
... mammals - The embryonic development of man and other mammalia - Diseases common to man and the lower animals - The animals most nearly allied to man- The brains of man and apes - External differences of man and apes- Summary of the ...
... mammals - The embryonic development of man and other mammalia - Diseases common to man and the lower animals - The animals most nearly allied to man- The brains of man and apes - External differences of man and apes- Summary of the ...
Página 8
... mammals , birds , reptiles , and fishes from each other , though vast , yet seem of the same nature as those which distinguish a mouse from an elephant or a swallow from a goose . But the vertebrate animals , the mollusca , and the ...
... mammals , birds , reptiles , and fishes from each other , though vast , yet seem of the same nature as those which distinguish a mouse from an elephant or a swallow from a goose . But the vertebrate animals , the mollusca , and the ...
Página 16
... mammals devour many species bodily , while some uproot and devour the buried tubers . In animals , it is the eggs or the very young that suffer most from their various enemies ; in plants , the tender seedlings . when they first appear ...
... mammals devour many species bodily , while some uproot and devour the buried tubers . In animals , it is the eggs or the very young that suffer most from their various enemies ; in plants , the tender seedlings . when they first appear ...
Página 22
... mammals , is dependent more or less completely on certain species of plants . The Struggle for Existence on the Pampas . Another illustration of the struggle for existence , in which both plants and animals are implicated , is afforded ...
... mammals , is dependent more or less completely on certain species of plants . The Struggle for Existence on the Pampas . Another illustration of the struggle for existence , in which both plants and animals are implicated , is afforded ...
Página 39
... and slugs , but even corn ; and the Buteo borealis of North America , whose usual food is small mammals and birds , sometimes eats crayfish . is heartrending . We have a horror of all violent II 39 THE STRUGGLE FOR EXISTENCE.
... and slugs , but even corn ; and the Buteo borealis of North America , whose usual food is small mammals and birds , sometimes eats crayfish . is heartrending . We have a horror of all violent II 39 THE STRUGGLE FOR EXISTENCE.
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