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1859
1860
1861
1866
1869
1872

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1859
1860
1861
1869
1872

determines 1861 1866
in Florida, determines 1869
in Virginia, determines 1872

probably 1859 1860 1861 1866
may have 1869
have no doubt 1872

is, however, far more 1859 1860 1861 1866
is also 1869 1872

there are many unknown 1859 1860 1861 1866
owing to the 1869 1872

of growth, which, 1859 1860 1861 1866
OMIT 1869 1872

of the organisation is modified through variation 1861 1866
of the organisation is modified through variation, 1859 1860
varies, 1869 1872

for the good 1859 1860 1861 1866
other modifications, often 1869 1872

being, cause other modifications, often of the 1861 1866
being, will cause other modifications, often of the 1859 1860
OMIT 1869 1872

nature. 1859 1860 1861 1866
nature, will ensue. 1869 1872

shape, size, and flavour 1861 1866 1869 1872
seeds 1859 1860

seeds of the many 1861 1866 1869 1872
many 1859 1860

should remember how essential it is in a flock of white sheep to destroy
a
every
lamb with the faintest trace of black. We have seen how
in Florida
in Florida
the colour of the hogs,
which feed
when feeding
on the
"paint root,"
"paint-root"
"paint-root,"
determines whether they shall live or die. In
plants,
plants
the down on the fruit and the colour of the flesh are considered by botanists as characters of the most trifling importance: yet we hear from an excellent horticulturist, Downing, that in the United States smooth-skinned fruits suffer far more from a beetle, a
Curculio,
curculio,
than those with down; that purple plums suffer far more from a certain disease than yellow
plums,
plums;
whereas another disease attacks yellow-fleshed peaches far more than those with other coloured flesh. If, with all the aids of art, these slight differences make a great difference in cultivating the several varieties, assuredly, in a state of nature, where the trees would have to struggle with other trees and with a host of enemies, such differences would effectually settle which variety, whether a smooth or downy, a yellow or purple fleshed fruit, should succeed.
In looking at many small points of difference between species, which, as far as our ignorance permits us to judge, seem
to be
....
quite unimportant, we must not forget that climate, food, &c., probably
produced
produce
some
slight and
slight and
direct effect. It is, however, far more necessary to bear in mind
that,
that
there are many unknown
law
laws
of
correlation,
correlation
of growth, which, when one part of the organisation is modified through variation and the
variations
modifications
are accumulated
through
by
natural
selection,
selection
for the good of the being, cause other modifications, often of the most unexpected nature.
As we see that those variations
which,
which
under domestication appear at any particular period of life, tend to reappear in the offspring at the same period;— for instance, in the shape, size, and flavour of the seeds of the many varieties of our culinary