Origin of Species Variorum

→ Such cases 1859 1860 1861

All such cases 1866

All such differences in number, and the absence of certain whole groups of animals and plants on islands, 1869

All such differences in number, and the absence of certain whole groups of animals and plants, 1872

→ the 1859 1860 1861 1866

supposed differences in their 1869

supposed differences in the 1872

→ of the islands; 1859 1860 1861 1866 1872

OMIT 1869

→ seems to me 1859 1860 1861

is 1866 1869 1872

→ I believe, has been at least 1859 1860

seems to have been at least 1861 1866

seems to have been fully 1869 1872

→ mammals, 1859 1860 1861 1866

a single mammal, 1869 1872

→ the adaptation of hooked seeds for transportal by 1859 1860 1861 1866

that hooked seeds are adapted for transportal in 1869

that hooks serve for the transportal of seeds in 1872

→ This case presents no difficulty on my view, for 1859 1860 1861 1866

But 1869 1872

→ but still retaining its hooked seeds, 1859 1860 1861 1866

OMIT 1869 1872

→ having as useless an appendage as any rudimentary organ,— for instance, as 1859 1860 1861 1866

which might still retain the hooks, which would not form a more useless appendage than 1869

still retaining its hooks, which would form a useless appendage like 1872

→ though it would have 1859 1860 1861

though it might have 1866

which had 1869 1872

→ in stature with a 1859 1860 1861

on a continent with many 1866

with the many 1869 1872

→ when 1859 1860 1861 1866

growing on a continent, might, when 1869 1872

→ and having to compete with herbaceous plants alone, might readily gain an advantage 1859 1860 1861 1866

gain an advantage 1869

gain an advantage over other herbaceous plants 1872

→ by 1859 1860 1861 1869 1872

over them by 1866

→ taller and overtopping the other plants. 1859 1860 1861

overtopping them. 1866

taller and overtopping the other herbaceous plants. 1869

taller and overtopping them. 1872

→ If so, 1859 1860 1861 1866

In this case, 1869 1872

→ when growing on an island, 1859

when growing on an oceanic island, 1860 1861

when growing on oceanic islands, 1866

OMIT 1869 1872

→ convert them first into bushes and ultimately into 1859 1860 1861 1866

convert it first into a bush and then into a 1869

first convert it into a bush and then into a 1872

←Subtitle not present 1859 1860 1861 Absence of Batrachians and Terrestrial Mammals on Oceanic Islands . 1866 1869 1872

→ on 1859 1860 1861 1866

of animals on 1869 1872

what they are elsewhere. →Such cases are generally accounted for by →the physical

conditions;

conditions

→of the islands; but this explanation →seems to me not a little doubtful. Facility of

immigration

immigration,

→I believe, has been at least as important as the nature of the conditions.

Many remarkable little facts could be given with respect to the inhabitants of

oceanic

remote

islands. For instance, in certain islands not tenanted by →mammals, some of the endemic plants have beautifully hooked seeds;

and

yet

few relations are more

manifest

striking

than →the adaptation of hooked seeds for transportal by the wool

and

fur of quadrupeds. →This case presents no difficulty on my view, for a hooked seed might be

carried

transported

to an island by

~~some~~

some

other means; and the plant then becoming

~~slightly~~

slightly

modified

modified,

→but still retaining its hooked seeds, would form an endemic species, →having as useless an appendage as any rudimentary organ,— for instance, as the shrivelled wings under the soldered

wing-covers

elytra

of many insular beetles. Again, islands often possess trees or bushes belonging to orders

~~which~~

which

elsewhere

including

include

only herbaceous species; now trees, as Alph. de Candolle has shown, generally have,

what- ever

whatever

the cause may be, confined ranges. Hence trees would

little likely to reach distant oceanic islands; and an herbaceous plant, →though it would have no chance of

suc- cessfully

successfully

competing →in stature with a fully developed

trees,

trees

tree,

→when established on an

island,

island

→and having to compete with herbaceous plants alone, might readily gain an advantage →by growing taller and →taller and overtopping the other plants. →If so, natural selection would

~~often~~

often

tend to add to the stature of

the

herbaceous

plant,

plants

→when growing on an island, to whatever order

they

belonged, and thus →convert them first into bushes and ultimately into

tree.

trees.

→

With respect to the absence of whole orders →on