Origin of Species Variorum

→ groups. 1859 1860 1861 1866 1869

groups. Fossil remains sometimes tend to fill up very wide intervals between existing orders. 1872

→ an embryonic 1859 1860 1861 1866

a very early 1869 1872

→ class. 1859 1860 1861 1866 1869

great class or kingdom. 1872

→ germinal vesicles, their 1859 1860

OMIT 1861 1866 1869 1872

→ reproduction. 1859 1860

their liability to injurious influences. 1861 1866 1869 1872

↑ 1 blocks not present in 1859 1860 1869 1872; present in 1861 1866

In all organic beings the union of a male and female elemental cell seems occasionally to be necessary for the production of a new being.

→ I should infer from analogy that probably all the organic beings which have ever lived on this earth have descended 1859 1860

on the principle of natural selection with divergence of character, it does not seem incredible that, 1861 1866 1869 1872

→ one 1859 1860

such low and intermediate form, both animals and plants may have been developed; and, if we admit this, we must admit that all the organic beings which have ever lived on this earth may have descended from some one 1861 1866

such low and intermediate form, both animals and plants may have been developed; and, if we admit this, we must likewise admit that all the organic beings which have ever lived on this earth may be descended from some one 1869 1872

→ breathed by the Creator. 1860

breathed. 1859

OMIT 1861 1866 1869 1872

→ advanced by me 1860 1861 1866 1869 1872

entertained 1859

→ and by Mr. Wallace in the Linnean Journal, 1860 1861 1866 1869

on the origin of species, 1859

and by Mr. Wallace, 1872

→ on the origin of species are 1860 1861 1866 1869 1872

are 1859

extend very far. All the members of whole classes

are

can be

connected together by

a chain

chains

of affinities, and all can be

classed

classified

on the same principle, in groups

sub-ordinate

subordinate

to →groups. Fossil remains sometimes tend to fill up very wide intervals between existing orders. Organs in a rudimentary condition plainly show that an early progenitor had the organ in a fully developed

condition;

state;

and this in some

instances

cases

instances necessarily

implies an enormous amount of modification in the descendants. Throughout whole classes various structures are formed on the same pattern, and at →an embryonic age the

embryos

species

closely resemble each other. Therefore I cannot doubt that the theory of descent with modification embraces all the members of the same →class. I believe that animals

are

have

descended from at most only four or five progenitors, and plants from an equal or lesser number.

Analogy would lead me one step

farther,

further,

namely, to the belief that all animals and plants

are

have

descended from some one prototype. But analogy may be a deceitful guide. Nevertheless all living things have much in

common,—

common,

in their chemical composition, their →germinal vesicles, their cellular structure,

~~and~~

and

their laws of

growth,

growth

and →reproduction. We see this even in so trifling a

fact

circumstance

as that the same poison often similarly affects plants and animals; or that the poison secreted by the

gallfly

gall-fly

produces monstrous growths on the wild rose or oak-tree. ↑

Therefore,

Therefore

→I should infer from analogy that probably all the organic beings which have ever lived on this earth have descended from some →one primordial

form.

~~into~~

~~which~~

~~life~~

~~was~~

~~first~~

→breathed by the Creator.

When the views →advanced by me in this

volume

volume,

→and by Mr. Wallace in the Linnean Journal, or when analogous views →on the origin of species are generally admitted, we can dimly foresee that there will be a