Origin of Species Variorum

→ 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 . 1869 1872

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 . 1866

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

Waterhouse. 1859 1861 1866 1872

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

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.

→ comparison 1859 1860 1861 1866 1869

one species or in a few species in comparison 1872

→ wing of the bat 1869

bat's wing 1859 1861 1866

bats wing 1860

wing 1872

→ most 1859 1860 1861 1866 1869

bat is a most 1872

→ had 1869 1872

of bat had its 1859 1860 1861 1866

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

....

to the above effect,

published

made

by Mr. →Waterhouse; Professor Owen, also, seems to have come to a nearly similar conclusion. ↑ It is hopeless to attempt to convince any one of the truth of

this

the above

proposition without giving the long array of facts which I have collected, and which cannot possibly be here introduced. I can only state my conviction that it is a rule of high generality. I am aware of several causes of error, but I hope that I have made due allowance for them. It should be understood that the rule by no means applies to any part, however unusually developed, unless it be unusually developed in →comparison with the same part in

many closely

closely

allied species. Thus, the →wing of the bat