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even have been 1866
have been even 1859 1860 1861
have been 1869 1872

an arrangement is only so far natural as it is 1859 1860 1861 1866
a natural arrangement must be 1869 1872

of organic beings, 1859 1860 1861 1866
OMIT 1869 1872

even have been anticipated. The importance of embryological characters and of rudimentary organs in classification is intelligible, on the view that an arrangement is only so far natural as it is genealogical.
Finally, the several classes of facts which have been considered in this chapter, seem to me to proclaim so plainly, that the
inumerable
innumerable
species,
genera
genera,
and
families,
families
of organic beings, with which this world is peopled,
are
have
all descended, each within its own class or group, from common parents, and have all been modified in the course of descent, that I should without hesitation adopt this view, even if it were unsupported by
any other
other
facts or arguments.