Contributions to the Theory of Natural Selection: A Series of Essays |
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Page 4
When a group is confined to one district , and is rich in species , it is almost
invariably the case that the most closely allied species are found in the same
locality or in closely adjoining localities , and that therefore the natural sequence
of the ...
When a group is confined to one district , and is rich in species , it is almost
invariably the case that the most closely allied species are found in the same
locality or in closely adjoining localities , and that therefore the natural sequence
of the ...
Page 5
In countries of a similar climate , but separated by a wide sea or lofty mountains ,
the families , genera and species of the one are often represented by closely
allied families , genera and species peculiar to the other . Geology . 5 .
In countries of a similar climate , but separated by a wide sea or lofty mountains ,
the families , genera and species of the one are often represented by closely
allied families , genera and species peculiar to the other . Geology . 5 .
Page 6
If the law above enunciated be true , it follows that the natural series of affinities
will also represent the order in which the several species came into existence ,
each one having had for its immediate antitype a closely allied species existing at
...
If the law above enunciated be true , it follows that the natural series of affinities
will also represent the order in which the several species came into existence ,
each one having had for its immediate antitype a closely allied species existing at
...
Page 10
The Galapagos are a volcanic group of high antiquity , and have probably never
been more closely connected with the continent than they are at present . They
must have been first peopled , like other newly - formed islands , by the action of
...
The Galapagos are a volcanic group of high antiquity , and have probably never
been more closely connected with the continent than they are at present . They
must have been first peopled , like other newly - formed islands , by the action of
...
Page 11
The organic results we see in the very considerable number of species of
animals common to some or all of these countries , while at the same time a
number of closely allied representative species exist peculiar to each , showing
that a ...
The organic results we see in the very considerable number of species of
animals common to some or all of these countries , while at the same time a
number of closely allied representative species exist peculiar to each , showing
that a ...
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abundant action adapted allied animals appear beautiful become believe birds body build butterflies causes Celebes changes character closely colour common comparatively complete concealment consider conspicuous continually direct distinct doubt Edition equally evidence exactly example existence explained facts female flight flowers frequently further genera genus give greater groups habits imitation important increase India individuals inhabiting insects interesting islands Java kind known less limited living male marked materials means mimicry modifications moths natural selection necessary nest never objects observations occur organic original Papilio perfect period phenomena possess present probably produced protection race reason region remarkable render resemble result savage seems seen sexes shown similar species structure supposed tail theory tints tion trees tropical true universe variation varied varieties various whole wings
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Bibliographic information
| Title | Contributions to the Theory of Natural Selection: A Series of Essays Contributions to the Theory of Natural Selection: A Series of Essays, Alfred Russel Wallace Marilee E. Thomas and Robert C. Thomas Science and Related Subjects Collection |
| Author | Alfred Russel Wallace |
| Edition | 2 |
| Publisher | Macmillan and Company, 1870 |
| Original from | Oxford University |
| Digitized | 8 mai 2006 |
| Length | 384 pages |
| Export Citation | BiBTeX EndNote RefMan |