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1859
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1869
1872

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1859
1860
1861
1869
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understand 1866 1869
to a certain extent understand 1872

such harmonious beauty generally prevails 1866 1869
there is so much beauty 1872

nature. 1866 1869
nature: for this may be largely attributed to the agency of selection. 1872

there are exceptions 1866 1869
beauty, 1872

beauty, no one will doubt 1866 1869
it, is not universal, must be admitted by every one 1872

generally to the males alone but sometimes to both sexes, 1866
the most brilliant colours and other ornaments to the males, but sometimes to both sexes 1869
OMIT 1872

the most brilliant and beautiful colours, as well as other ornaments, to our 1866
of many 1869
the most brilliant colours, elegant patterns, and other ornaments to the males, and sometimes to both sexes of many 1872

It has 1866
With birds it has often 1869 1872

fruit have their 1866
OMIT 1869 1872

1 blocks not present in 1859 1860 1861 1866 1869; present in 1872
How it comes that certain colours, sounds, and forms should give pleasure to man and the lower animals,— that is, how the sense of beauty in its simplest form was first acquired,— we do not know any more than how certain odours and flavours were first rendered agreeable.

the 1859 1860 1861 1866 1869
and improves the 1872

the degree of perfection of their associates; 1859 1860 1861 1866
the other inhabitants; 1869
their co-inhabitants; 1872

specially created and 1859 1860 1861 1866
created and specially 1869 1872

and if some 1859 1860 1861 1866 1869
as in the case even 1872

be 1859 1860 1861 1866 1869
human eye; or if some of them be 1872

and so
on
on
in endless other cases. But on the view of each species constantly trying to increase in number, with natural selection always ready to adapt the slowly varying descendants of each to any unoccupied or
ill-occu- pied
ill-occupied
place in nature, these facts cease to be strange, or
perhaps
perhaps
might even have been anticipated.
We can understand how it is that such harmonious beauty generally prevails throughout nature. That there are exceptions according to our
sense
ideas
of beauty, no one will doubt who will look at some
of the
of the
venomous snakes, at some
fishes,
fish,
and at certain hideous bats with a distorted resemblance to the human face. Sexual selection has
given
given,
generally to the males alone but sometimes to both sexes, the most brilliant and beautiful colours, as well as other ornaments, to our birds, butterflies, and
a few
a few
other animals. It has rendered the
voice
voices
of
the
many
male
birds
birds
musical to
the
their
female,
females,
as well as to our ears. Flowers and fruit have been rendered conspicuous by
brilliant
gaudy
colours in contrast with the green foliage, in order that the flowers
may
might
be easily seen, visited, and fertilised by insects, and the fruit have their seeds disseminated by birds.
And
And
Lastly,
lastly,
some living objects have become beautiful through mere symmetry of growth.
As natural selection acts by competition, it
renders
adapts
the inhabitants of each country
perfect only
only
in relation to the degree of perfection of their associates; so that we need feel no surprise at the
species
inhabitants
of any one country, although on the ordinary view supposed to have been specially created and adapted for that country, being beaten and supplanted by the naturalised productions from another land.
or
Nor
ought we to marvel if all the contrivances in nature be not, as far as we can judge, absolutely
perfect,
perfect;
and if some of
the
them
be abhorrent to our ideas of fitness. We need not marvel at