Origin of Species Variorum

→ in this case 1859 1860 1861 1866 1869

here 1872

→ object had better 1859 1860 1861 1866

purpose had better 1869

purpose must 1872

→ shape. 1859 1861 1866 1869 1872

shape. Natural selection, it should never be forgotten, can act on each part of each being, solely through and for its advantage. 1860

→ on each part of each being, 1859 1861 1866 1869

OMIT 1872

→ advantage. 1859 1861 1866 1869

advantage of each being. 1872

→ it has been stated by some authors, and I believe with truth, 1859 1860 1861 1866 1869

as it is generally admitted, 1872

→ the general subject of rudimentary and aborted organs; 1859 1860 1861 1866 1869

this subject; 1872

→ be owing to 1859 1860 1861 1866 1869

result from 1872

→ manner, 1866 1869

manner, 1859 1861

manner , 1860

manner , 1872

→ Species, 1866 1869

species, 1859 1861

species , 1860

Species , 1872

→ variable . 1866

variable .— 1859 1861

variable. — Several years ago I was much struck with a remark, nearly to the above effect, published by Mr. Waterhouse. 1860

variable . 1869 1872

→ Waterhouse. 1859 1861 1866 1872

Waterhouse; Professor Owen, also, seems to have come to a nearly similar conclusion. 1869

→ I infer also, from an observation made by 1866

I infer also from an observation made by 1859 1860 1861

OMIT 1872

→ with respect to the length of the arms of the ourang-outang, that he has 1859 1860 1861 1866

also, seems to have 1872

→in this case means that the several parts of the organisation have been but little specialised for particular functions; and as long as the same part has to perform diversified work, we can perhaps see why it should remain variable, that is, why natural selection should

not have

have

preserved or rejected each little deviation of form

less

carefully

than

when the part

had

has

to serve for

some one

one

special

purpose.

purpose

~~alone.~~

alone.

In the same way that a knife which has to cut all sorts of things may be of almost any shape; whilst a tool for some particular →object had better be of some particular →shape. Natural selection, it should never be forgotten, can act →on each part of each being, solely through and for

the

its

→advantage.

Rudimentary parts, →it has been stated by some authors, and I believe with truth, are apt to be highly variable. We shall have to recur to →the general subject of rudimentary and aborted organs; and I will here only add that their variability seems to →be owing to their uselessness, and

consequently from

therefore to

natural selection having

had no

power to check deviations in their structure. Thus rudimentary parts are left to the free play of the various laws of growth, to the effects of long-continued disuse, and to the tendency to reversion.

part

Part

developed

any

species

Species

extraordinary

degree

→ manner,

comparison

with

the

same

part

Part

allied

→ Species,

tends

highly

→ variable .

Several years ago I was much struck

with

a remark,

~~nearly~~

nearly

to the above effect,

made

published

by Mr. →Waterhouse. →I infer also, from an observation made by Professor Owen, →with respect to the length of the arms of the ourang-outang, that he has come to a nearly similar conclusion. It is hopeless to attempt to convince any one of the truth of

the above

this

proposition without giving the long array of facts which I have collected, and which cannot possibly be