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comes 1859 1860 1861 1866 1869
has come not 1872

degree. 1861 1866 1869 1872
degree. For in this case the variability will seldom as yet have been fixed by the continued selection of the individuals varying in the required manner and degree, and by the continued rejection of those tending to revert to a former and less modified condition. 1859 1860

←Subtitle not present 1859 1860 1861 Specific Characters more Variable than Generic Characters . 1866 1869 1872
included in these remarks 1859 1860 1861 1866
included in the above remarks 1869
discussed under the last heading 1872

extended. 1859 1860 1861 1866 1869
applied to our present subject. 1872

If some species in a large genus of plants 1859 1860 1861 1866
If in a large genus of plants some species 1869
To explain by a simple example what is meant: if in a large genus of plants 1872

had 1859 1860 1861 1866 1869
some species had 1872

is not in this case applicable, 1859 1860 1861 1866 1869
OMIT 1872

namely, 1859 1860 1861 1866 1869
is not here applicable, namely, 1872

I 1859 1860 1861 1866 1869
with respect to important characters, I 1872

have existed, according to
our
my
theory, for an immense period in nearly the same state; and thus it comes to be
no
no
more variable than any other structure. It is only in those cases in which the modification has been comparatively recent and extraordinarily great that we ought to find the generative
variability,
variability ,
as it may be called, still present in a high degree. For in this case the variability will seldom as yet have been fixed by the continued selection of the individuals varying in the required manner and degree, and by the continued rejection of those tending to revert to a former and
less-modified
less modified
condition.
The principle included in these remarks may be extended. It is notorious that specific characters are more variable than generic.
To
To
explain
explain
by
by
a
a
simple
simple
example
example
what
what
is
is
meant.
meant.
If some species in a large genus of plants had blue flowers and some had red, the colour would be only a specific character, and no one would be surprised at one of the blue species varying into red, or conversely; but if all the species had blue flowers, the colour would become a generic character, and its variation would be a more unusual circumstance. I have chosen this example because
the
an
explanation is not in this case applicable, which most naturalists would
advance
advance,
namely, that specific characters are more variable than generic, because they are taken from parts of less physiological importance than those commonly used for classing genera. I believe this explanation is partly, yet only indirectly, true; I shall, however, have to
re- turn
return
to this
point
subject
in
our
the
chapter on Classification. It would be almost superfluous to adduce evidence in support of the
above
above
statement, that
ordinary specific
specific
characters are more variable than generic; but I have repeatedly noticed in works on natural history, that when an author
has
has
remarks
remarked
with surprise that some
important
important