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in regard to the inhabitants of islands, is their affinity 1859 1860 1861
in regard to islands, is the affinity 1866
is the affinity of the species which inhabit islands 1869 1872

to 1859 1860 1861 1869 1872
of their inhabitants to 1866

I will give only one, that of the 1859 1860 1861 1866
The 1869 1872

between 1859 1860 1861 1866
lies at the distance of between 1869 1872

water 1859 1860 1861 1866
the water 1869
of the water 1872

of 1859 1860 1872
or, perhaps, twenty-three, of 1861 1866 1869

are ranked by Mr. Gould 1859 1860
are ranked 1861 1866 1869
twenty-one or perhaps twenty-three are ranked 1872

supposed 1859 1860
and are supposed 1861 1866 1869
and would commonly be assumed 1872

in 1859 1860 1861 1866 1869
is manifest in 1872

nearly all 1859 1860 1861
a large proportion of 1866 1869 1872

memoir on the 1859 1860 1861
OMIT 1866 1869 1872

The most striking and important fact for us in regard to the inhabitants of islands, is their affinity to those of the nearest mainland, without being actually the
same.
same
species.
species.
Numerous instances could be
given.
given
of
of
this
this
law.
fact.
fact.
I will give only one, that of the Galapagos Archipelago, situated under the equator, between 500 and 600 miles from the shores of South America. Here almost every product of the land and water bears the unmistakeable stamp of the American continent. There are twenty-six
land birds,
land birds;
land-birds,
and twenty-one,
and twenty-five
and twenty-five
of
these,
these
are ranked by Mr. Gould as distinct species, supposed to have been
here created:
created here;
yet the close affinity of most of these birds to American species in every character, in their habits, gestures, and tones of
voice.
voice,
was
was
manifest.
manifest.
So it is with the other animals, and with nearly all the plants, as shown by Dr. Hooker in his admirable memoir on the Flora of this archipelago. The naturalist, looking at the inhabitants of these volcanic islands in the Pacific, distant several hundred miles from the continent,
yet
yet
feels that he is standing on American land. Why should this be so? why should the species which are supposed to have been created in the Galapagos Archipelago, and nowhere else, bear so
plainly
plain
the
a
stamp of affinity to those created in America? There is nothing in the conditions of life, in the geological nature of the islands, in their height or climate, or in the proportions in which the several classes are associated together, which
closely resembles
resembles closely
the conditions of the South American coast: in
fact,
fact
there is a considerable dissimilarity in all
the foregoing
these
respects. On the other hand, there is a considerable degree of resemblance in the
volcanic
volanic
nature of the soil, in
the climate,
climate,
height, and size of the islands, between the Galapagos and Cape de Verde
Archipelagoes:
Archipelagos:
but what an entire and absolute difference in their inhabitants! The inhabitants of the Cape de Verde Islands are related to