Origin of Species Variorum

→ the oxen of 1869 1872

in 1859 1860 1861 1866

→ relatively to the length of 1869 1872

in comparison with 1859 1860 1861 1866

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

Breeders of cattle wish the flesh and fat to be well marbled together: an animal thus characterised has been slaughtered, but the breeder has gone with confidence to the same stock and has succeeded.

→ breeders of cattle wish the flesh and fat to be well marbled together; the animal has been slaughtered, 1866 1869

a well-flavoured vegetable is cooked, and the individual is destroyed; 1859 1860 1861

→ breeder has gone with confidence to 1866 1869

horticulturist sows seeds of 1859 1860 1861

→ has succeeded. 1866 1869

confidently expects to get nearly the same variety; breeders of cattle wish the flesh and fat to be well marbled together; the animal has been slaughtered, but the breeder goes with confidence to the same family. 1859

confidently expects to get nearly the same variety: breeders of cattle wish the flesh and fat to be well marbled together; the animal has been slaughtered, but the breeder goes with confidence to the same family. 1860

→ may be placed in 1866 1869 1872

in 1859 1860 1861

→ probably 1866 1869

I do not doubt that 1859 1860 1861

OMIT 1872

→ be slowly 1859 1860 1861 1866 1869

it is probable, be 1872

→ of various colours, 1866 1869

OMIT 1872

→ so that, if the variety had not likewise yielded others, it would at once have become extinct; but it always 1869

so that, if the variety had not yielded others, it would at once have become extinct; but it likewise always 1866

but they likewise 1872

only

with

one sex, but

with

that short period

alone

....

when the reproductive system is active, as in the nuptial plumage of many birds, and in the hooked jaws of the male salmon. We have even slight differences in the horns of different breeds of cattle in relation to an artificially imperfect state of the male sex; for oxen of certain breeds have longer horns than →the oxen of other breeds, →relatively to the length of the horns

in both

the bulls

and

cows of these same breeds. Hence I can see no

real

great

difficulty in any character

having become

becoming

correlated with the sterile condition of certain members of insect-communities: the difficulty lies in understanding how such correlated modifications of structure could have been slowly accumulated by natural selection.

This difficulty, though appearing insuperable, is

les- sened,

lessened,

or, as I believe, disappears, when it is remembered that selection may be applied to the family, as well as to the individual, and may thus gain the desired end. ↑ Thus, →breeders of cattle wish the flesh and fat to be well marbled together; the animal has been slaughtered, but the →breeder has gone with confidence to the same

stock,

family,

stock

and →has succeeded.

I have

....

such

Such

faith →may be placed in the

powers

power

of selection, that →probably a breed of cattle, always yielding oxen with extraordinarily long horns,

could,

could

→be slowly formed by carefully watching which individual bulls and cows, when matched, produced oxen with the longest horns; and yet no one ox

could

would

ever have propagated its kind. Here is a better and real illustration: according to M. Verlot, some varieties of the double annual

Stock

stock

→of various colours, from having been long

and carefully

carefully

selected to the right degree, always produce

~~by seed~~

by seed

a large proportion of

seedlings

plants

bearing double and quite sterile flowers; →so that, if the variety had not likewise yielded others, it would at once have become extinct; but it always

yield

yields

some single and fertile