Very many of the marine inhabitants of the archipelago now range thousands of miles beyond its confines; and analogy
plainly leads to the plainly leads to the 1861 1866 1869 1872 |
leads me to 1859 1860 |
belief belief 1861 1866 1869 1872 | believe 1859 1860 |
that it would be chiefly these far-ranging
species, species, 1866 1869 1872 | species 1859 1860 1861 |
though only some of them, which though only some of them, which 1866 1869 1872 |
which 1859 1860 1861 |
would oftenest produce new varieties; and the varieties would at first
generally generally 1859 1860 1861 1866 1869 | generally 1872 |
be local or confined to one place, but if possessed of any decided advantage, or when further modified and improved, they would slowly spread and supplant their parent-forms. When such varieties returned to their ancient homes, as they would differ from their former
state, state, 1859 1860 1861 1866 1869 | state 1872 |
in a nearly uniform, though perhaps extremely slight degree,
and as they would be found embedded in slightly different sub-stages of the same formation, they and as they would be found embedded in slightly different sub-stages of the same formation, they 1861 1866 1869 1872 |
they 1859 1860 |
would, according to the principles followed by many palæontologists, be ranked as new and distinct species. |
If
then then 1861 1866 1869 1872 | then, 1859 1860 |
there be some degree of truth in these remarks, we have no right to expect to
find, find, 1866 1869 1872 | find 1859 1860 1861 |
in our geological formations, an infinite number of those fine transitional
forms forms 1861 1866 1869 1872 | forms, 1859 1860 |
which, which, 1861 1866 1869 1872 | which 1859 1860 |
on
our our 1869 1872 | my 1859 1860 1861 1866 |
theory, theory, 1861 1866 1869 1872 | theory 1859 1860 |
....... 1861 1866 1869 1872 | assuredly 1859 1860 |
have connected all the past and present species of the same group into one long and branching chain of life. We ought only to look for a few links,
and such assuredly we do find— and such assuredly we do find— 1861 1866 1869 1872 |
some more closely, 1859 1860 |
some more
distantly, distantly, 1861 1866 1869 1872 | distantly 1859 1860 |
some more closely, related some more closely, related 1861 1866 1869 1872 |
related 1859 1860 |
to each other; and these links, let them be ever so close, if found in different stages of the same formation, would, by
many many 1861 1866 1869 1872 | most 1859 1860 |
palæontologists, palæontologists, 1860 1861 1866 1869 1872 | palæonto- logists, 1859 |
be ranked as distinct species. But I do not pretend that I should ever have suspected how poor
was the record in was the record in 1869 1872 |
a record of the mutations of life, 1859 1860 |
a record of the mutations of life 1861 1866 |
the best
preserved preserved 1859 1860 1866 1869 1872 | pre-served 1861 |
geological
sections, sections, 1869 1872 | section 1859 1860 1861 1866 |
....... 1869 1872 | presented, 1859 1860 1861 | would present, 1866 |
had not the
|