See page in:
1859
1860
1861
1866
1869
1872

Compare with:
1859
1861
1866
1869
1872

sea, 1859 1860 1861 1866
of the same sea, 1869 1872

though 1859 1860 1861 1866
are essentially American, though 1869 1872

and the eastern shores of
Africa
Africa,
on almost exactly opposite meridians of longitude.
A third great fact, partly included in the foregoing
statement,
statements,
is the affinity of the productions of the same continent or sea, though the species themselves are distinct at different points and stations. It is a law of the widest generality, and every continent offers innumerable instances. Nevertheless the
naturalist,
naturalist
in travelling, for instance, from north to
south,
south
never fails to be struck by the manner in which successive groups of beings, specifically distinct,
though
yet
yet
nearly
clearly
related, replace each other. He hears from closely allied, yet distinct kinds of birds, notes nearly similar, and sees their nests similarly constructed, but not quite alike, with eggs coloured in nearly the same manner. The plains near the Straits of Magellan are inhabited by one species of Rhea (American ostrich), and
north-ward
northward
the plains of La Plata by another species of the same genus; and not by a true ostrich or
emeu,
emu,
like those
inhabiting
found in
Africa and Australia under the same latitude. On these same plains of La
Plata
Plata,
we see the agouti and bizcacha, animals having nearly the same habits as our hares and rabbits and belonging to the same order of Rodents, but they plainly display an American type of structure. We ascend the lofty peaks of the
Cordillera,
Cordillera
and we find an alpine species of bizcacha; we look to the waters, and we do not find the beaver or musk-rat, but the coypu and capybara, rodents of the
S. American
American
type. Innumerable other instances could be given. If we look to the islands off the American shore, however much they may differ in geological structure, the
inhabitants
inhabitants,
though they may be all peculiar
species.
species,
are
are
essentially
essentially
American.
American.
We may look back to past ages, as shown in the last chapter, and we find American types then
prevailing
prevalent
on