Contributions to the Theory of Natural Selection: A Series of Essays |
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Page 5
A Series of Essays Alfred Russel Wallace. that therefore the natural sequence of
the species by affinity is also geographical . 4 . In countries of a similar climate ,
but separated by a wide sea or lofty mountains , the families , genera and species
...
A Series of Essays Alfred Russel Wallace. that therefore the natural sequence of
the species by affinity is also geographical . 4 . In countries of a similar climate ,
but separated by a wide sea or lofty mountains , the families , genera and species
...
Page 10
St . Helena is a similar case of a very ancient island having obtained an entirely
peculiar , though limited , flora . On the other hand , no example is known of an
island which can be proved geologically to be of very recent crigin ( late in the ...
St . Helena is a similar case of a very ancient island having obtained an entirely
peculiar , though limited , flora . On the other hand , no example is known of an
island which can be proved geologically to be of very recent crigin ( late in the ...
Page 11
A similar phænomenon occurs when an island has been separated from a
continent at a very early period . The shallow sea between the . Peninsula of
Malacca , Java , Sumatra and Borneo was probably a continent or large island at
an early ...
A similar phænomenon occurs when an island has been separated from a
continent at a very early period . The shallow sea between the . Peninsula of
Malacca , Java , Sumatra and Borneo was probably a continent or large island at
an early ...
Page 12
Fishes give evidence of a similar kind : each great river has its peculiar genera ,
and in more extensive genera its groups of closely allied species . But it is the
same throughout Nature ; every class and order of animals will contribute similar
...
Fishes give evidence of a similar kind : each great river has its peculiar genera ,
and in more extensive genera its groups of closely allied species . But it is the
same throughout Nature ; every class and order of animals will contribute similar
...
Page 19
We have then only to suppose a long period of somewhat similar action during
the vast unknown interval at the termination of the Palæozoic period , and then a
decreasing violence or rapidity through the Secondary period , to allow for the ...
We have then only to suppose a long period of somewhat similar action during
the vast unknown interval at the termination of the Palæozoic period , and then a
decreasing violence or rapidity through the Secondary period , to allow for the ...
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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 |