progenitor, can have
migrated migrated 1859 1860 1861 1866 | migrated, 1869 1872 |
(undergoing (undergoing 1859 1860 1861 1866 | undergoing 1869 1872 |
modification during
some part of some part of 1859 1860 1861 1866 |
OMIT 1869 1872 |
their
migration) migration) 1859 1860 1861 1866 | migration, 1869 1872 |
from
the area inhabited by their progenitor. the area inhabited by their progenitor. 1859 1860 1861 1866 |
some one area. 1869 1872 |
If it can be shown to be almost invariably the case, that a region, of which If it can be shown to be almost invariably the case, that a region, of which 1859 1860 1861 1866 |
When 1869 |
If, when 1872 |
most of
its inhabitants are closely related to, or belong to the same genera with, its inhabitants are closely related to, or belong to the same genera with, 1866 |
its inhabitants are closely related to, or belong to the same genera with 1859 1860 1861 |
OMIT 1869 1872 |
the species
of a second region, has probably received at some former period immigrants from this of a second region, has probably received at some former period immigrants from this 1859 1860 1861 1866 |
inhabiting one region are different from those of 1869 1872 |
other other 1859 1860 1861 1866 | another 1869 1872 |
region,
my theory will be strengthened; for we can clearly understand, on the principle of modification, why the inhabitants of a region should be related to those of another region, whence it has been stocked. my theory will be strengthened; for we can clearly understand, on the principle of modification, why the inhabitants of a region should be related to those of another region, whence it has been stocked. 1859 1860 1861 1866 |
but are closely allied or belong to the same genera, if in all such cases it can be shown that there probably has been at some former period migration from the one region to the other, our general view will be much strengthened; for the explanation is obvious on the principle of descent with modification. 1869 |
though closely allied to them, it can be shown that migration from the one region to the other has probably occurred at some former period, our general view will be much strengthened; for the explanation is obvious on the principle of descent with modification. 1872 |
A volcanic island, for instance, upheaved and formed at the distance of a few hundreds of miles from a continent, would probably receive from it in the course of time a few colonists, and their descendants, though modified, would still be
plainly plainly 1859 1860 1861 1866 | plainly 1869 1872 |
related by inheritance to the inhabitants of
that that 1861 1866 1869 1872 | the 1859 1860 |
continent. Cases of this nature are common, and are, as we shall hereafter
more fully more fully 1859 1860 1861 1866 | more fully 1869 1872 |
see, inexplicable on the theory of independent creation. This view of the relation of
species in species in 1859 1860 1861 1866 |
the species of 1869 1872 |
one region to those
in in 1859 1860 1861 1866 | of 1869 1872 |
another, does not differ much
(by substituting the word variety for species) (by substituting the word variety for species) 1859 1860 1861 1866 |
OMIT 1869 1872 |
from that
lately lately 1859 1860 1861 1866 | lately 1869 1872 |
advanced
in an ingenious paper in an ingenious paper 1859 1860 1861 1866 |
OMIT 1869 1872 |
by Mr. Wallace,
in which he in which he 1859 1860 1861 1866 |
who 1869 1872 |
concludes concludes 1861 1866 1869 1872 | concludes, 1859 1860 |
that
"every "every 1859 1860 1866 1869 1872 | "every 1861 |
species has come into existence coincident both in space and time with a pre-existing closely allied
species." species." 1859 1860 1866 |
species." 1861 |
species." And I now know that he attributes this coincidence to descent with modification. 1869 |
species." And it is now well known that he attributes this coincidence to descent with modification. 1872 |
And I now know from correspondence, that this coincidence he attributes to generation with modification. |
The
previous remarks on "single and previous remarks on "single and 1859 1860 1866 |
previous remarks on "single and 1861 |
discussion on "single and 1869 |
question of single or 1872 |
multiple centres of
creation" do not directly bear on another creation" do not directly bear on another 1859 1860 1866 |
creation" do not directly bear on another 1861 |
creation" does not directly bear on another 1869 |
creation differs from another though 1872 |
allied question,—
namely, namely, 1861 1866 1869 1872 | namely 1859 1860 |
whether all the individuals of the same species
have have 1859 1860 1861 1866 | are 1869 1872 |
descended from a single pair, or single hermaphrodite, or whether, as some authors suppose, from many individuals simultaneously created. With
....... 1866 1869 1872 | those 1859 1860 1861 |
organic beings which never
intercross intercross 1859 1860 1861 1866 | intercross, 1869 1872 |
(if (if 1859 1860 1861 1866 | if 1869 1872 |
such
|