Origin of Species Variorum

→ be in most cases 1869 1872

in most cases be 1859 1860 1861 1866

→ the males having 1866 1869 1872

having 1859 1860 1861

→ charms; and a slight 1869 1872

on the charms of the males; and the slightest 1859 1860 1861

on their charms; and the slighest 1866

→ to find that 1869 1872

that 1859 1860 1861 1866

→ OMIT 1869 1872

the changed conditions of 1859 1860 1861 1866

→ species present 1869 1872

there are at least 1859 1860 1861 1866

→ admit that varieties exist, which are considered 1869

have admitted the existence of varieties, which they think 1859 1860

have admitted the existence of varieties, which they have considered 1861 1866

admit that natural varieties exist, which are considered 1872

→ outlying islands, 1869 1872

the several islands in the same archipelago, 1866

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

Let it be observed how naturalists differ in the rank which they assign to the many representative forms in Europe and North America.

→ animals and plants do vary, let it be ever so little or so slowly, 1869

we have under nature variability and a powerful agent always ready to act and select, 1859 1860

we have variability as well as a powerful agent always ready to act, 1861

animals and plants do vary, let it be ever so slowly or so little, 1866

animals and plants do vary, let it be ever so slightly or slowly, 1872

With animals having separated

sexes,

sexes

there will →be in most cases a struggle between the males for

possession

the possession

of the females. The most vigorous

individuals,

males,

or those which have most successfully struggled with their conditions of life, will generally leave most progeny. But success will often depend on →the males having special

weapons

weapons,

or means of defence, or →charms; and a slight advantage will lead to victory.

As geology plainly proclaims that each land has undergone great physical changes, we might have expected →to find that organic beings

would

....

have varied under nature, in the same way as they

generally

....

have varied under →OMIT domestication. And if there

has been

any variability under nature, it would be an unaccountable fact if natural selection

had

did

not come into play. It has often been asserted, but the assertion is

quite

....

incapable of proof, that the amount of variation under nature is a strictly limited quantity. Man, though acting on external characters alone and often capriciously, can produce within a short period a great result by adding up mere individual differences in his domestic productions; and every one admits that →species present individual

differences

species

under

nature.

But, besides such differences, all naturalists →admit that varieties exist, which are considered sufficiently distinct to be worthy of record in

their systematic

systematic

works. No one

can

has

draw

drawn

any clear distinction between individual differences and slight varieties; or between more plainly marked varieties and sub-species, and species. On separate continents, and on different parts of the same continent when divided by barriers of any kind, and on →outlying islands, what a

host

multitude

of forms exist, which some experienced naturalists rank as

mere varieties,

varieties,

others as geographical races or sub-species, and others as distinct, though closely allied species! ↑

then,

then

→animals and plants do vary, let it be ever so little or so slowly,