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1859
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1869
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1869
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organisms low in the scale 1859 1860 1861 1866
OMIT 1869 1872

generally 1859 1860 1861 1866
the lower organisms 1869 1872

the 1859 1860 1861 1866 1869
that of the 1872

many low 1859 1860 1861 1866
almost all lowly organised 1869
most lowly organised 1872

is apt to 1859 1860 1861 1866
OMIT 1869 1872

low and slowly-changing 1859 1860 1861 1866
lower 1869 1872

related (with the exceptions before specified) 1859 1860 1861 1866
generally related 1869 1872

on 1859 1860 1861 1866
which live on 1869 1872

lands, though these stations are so different— the very close relation 1859
lands, though these stations are so different,— the very close relation 1860 1861 1866
lands,— the striking relationship between the inhabitants of islands and those 1869 1872

distinct species which inhabit the islets 1859 1860 1861 1866
nearest mainland— the still closer relationship 1869 1872

same archipelago,— and especially the striking relation 1859 1860 1861 1866
distinct inhabitants 1869 1872

inhabitants of each whole archipelago or island to those 1859 1860 1861 1866
islands in the same archipelago— are inexplicable on the ordinary view 1869 1872

nearest mainland,— are, I think, utterly inexplicable on the ordinary view of the 1859 1860 1861 1866
OMIT 1869 1872

on the view of 1859 1860 1861 1866
if we admit 1869 1872

modification and better 1859 1860 1861 1866
OMIT 1869 1872

There
is
is,
also
also,
some
some
reason to believe from geological
evidence,
evidence
that organisms low in the scale within each great
class
class,
generally change at a slower rate than the
higher;
higher
forms;
forms; and
forms; and
consequently
they
the
lower forms
lower forms
will have had a better chance of ranging widely and of still retaining the same specific character. This fact, together with the seeds and eggs of many low forms being very minute and better fitted for distant
transportal,
transportation,
probably accounts for a law which has long been observed, and which has lately been
admirably
admirably
discussed by Alph. de Candolle in regard to plants, namely, that the lower any group of organisms
stands,
is,
the more widely it is apt to
ranges.
range.
The relations just discussed,— namely, low and slowly-changing organisms ranging more widely than the
higher,—
high,—
some of the species of widely-ranging genera themselves ranging widely,— such facts, as alpine, lacustrine, and marsh productions being related (with the exceptions before specified) to those on the surrounding low lands and dry lands, though these stations are so different— the very close relation of the distinct species which inhabit the islets of the same archipelago,— and especially the striking relation of the inhabitants of each whole archipelago or island to those of the nearest mainland,— are, I think, utterly inexplicable on the ordinary view of the independent creation of each species, but are explicable on the view of colonisation from the nearest
or
and
readiest source, together with the subsequent modification and better adaptation of the colonists to their new homes.
Summary
Summary
of
of
last
the last
last
and
and
present
present
Chapter .—
Chapter .
Chapter .
Chapters .
Chapters .—
In these chapters I have endeavoured to show, that if we make due allowance for our ignorance of the full effects of
the
all the
all the