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1859
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OMIT 1869 1872
stages of the widely separated 1859 1860
stages of the 1861 1866

tertiary 1859 1860 1861 1869 1872
of the tertiary 1866

OMIT 1869 1872
distant parts of 1859 1860 1861 1866

at distant points change 1869 1872
change at distant points 1859 1860 1861 1866

sea-shells all still living; 1869 1872
still living sea-shells; 1859 1860 1861 1866

ten-thousandth year, 1869
hundred-thousandth year, 1859 1860 1861 1866
to the same century, 1872

now living 1869 1872
which live at the present day 1859 1860 1861 1866

authors;
authors:
so it is, according to Lyell, with the
several
several
European and North American tertiary deposits. Even if the few fossil species which are common to the Old and New Worlds
be
were
kept wholly out of view, the general parallelism in the successive forms of life, in the OMIT palæozoic and tertiary
periods,
stages,
would still be manifest, and the several formations could be easily correlated.
These observations, however, relate to the marine inhabitants of OMIT the world: we have not sufficient data to judge whether the productions of the land and of fresh water at distant points change in the same parallel manner. We may doubt whether they have thus changed: if the Megatherium, Mylodon, Macrauchenia, and Toxodon had been brought to Europe from La Plata, without any information in regard to their geological position, no one would have suspected that they had
coexisted
co-existed
with sea-shells all still living; but as these anomalous monsters
coexisted
co-existed
with the
Masto- don
Mastodon
and Horse, it might at least have been inferred that they had lived during one of the
latter
later
tertiary stages.
When the marine forms of life are spoken of
us
as
having changed simultaneously throughout the world, it must not be supposed that this expression relates to the same
year,
thousandth
or ten-thousandth year, or even that it has a very strict geological sense; for if all the marine animals now living in Europe, and all those that lived in Europe during the pleistocene period
(an enormously
(a very
remote period as measured by years, including the whole glacial
epoch),
epoch)
were
to be
....
compared with those now
living
existing
in South America or in Australia, the most skilful naturalist would hardly be able to say whether the
existing
present
or the pleistocene inhabitants of Europe resembled most closely those of the southern hemisphere. So, again, several highly competent
observes
observers