Contributions to the Theory of Natural Selection: A Series of Essays |
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Page 15
Returning to the analogy of a branching tree , as the best mode of representing
the natural arrangement of species and their successive creation , let us suppose
that at an early geological epoch any group ( say a class of the Mollusca ) has ...
Returning to the analogy of a branching tree , as the best mode of representing
the natural arrangement of species and their successive creation , let us suppose
that at an early geological epoch any group ( say a class of the Mollusca ) has ...
Page 50
H . Tristram , in his account of the ornithology of North Africa in the 1st volume of
the “ Ibis , " says : “ In the desert , where neither trees , brushwood , nor even
undulation of the surface afford the slightest protection to its foes , a modification
of ...
H . Tristram , in his account of the ornithology of North Africa in the 1st volume of
the “ Ibis , " says : “ In the desert , where neither trees , brushwood , nor even
undulation of the surface afford the slightest protection to its foes , a modification
of ...
Page 51
But its habits are such that it does not need the protection of colour , for it is said
to be able to subsist on fruits and berries in winter , and to be so active upon the
trees as to catch small birds among the branches . So also the woodchuck of ...
But its habits are such that it does not need the protection of colour , for it is said
to be able to subsist on fruits and berries in winter , and to be so active upon the
trees as to catch small birds among the branches . So also the woodchuck of ...
Page 53
... so closely to a limb of a tree while waiting for his prey to pass beneath as to be
hardly distinguishable from the bark . ... its plumage , so that when according to
its habit it rests upon the ground under trees , it is almost impossible to detect it .
... so closely to a limb of a tree while waiting for his prey to pass beneath as to be
hardly distinguishable from the bark . ... its plumage , so that when according to
its habit it rests upon the ground under trees , it is almost impossible to detect it .
Page 54
How difficult it is sometimes to catch sight of the little green tree - frogs sitting on
the leaves of a small plant enclosed in a ... the trunks of trees in the tropics , are of
such curiously marbled colours as to match exactly with the bark they rest upon .
How difficult it is sometimes to catch sight of the little green tree - frogs sitting on
the leaves of a small plant enclosed in a ... the trunks of trees in the tropics , are of
such curiously marbled colours as to match exactly with the bark they rest upon .
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Common terms and phrases
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 |