Origin of Species Variorum

→ OMIT 1861 1866 1869 1872

have the same general characters as species, for they 1859 1860

→ them together, and the occurrence of such links does not affect the character of the forms which they connect; and except, 1861 1866

the occurrence of such links cannot affect the actual characters of the forms which they connect; and except, 1859 1860

OMIT 1869 1872

→ for 1859 1860 1861 1866

between them; for 1869 1872

→ intermediate linking forms have not been discovered; 1859 1860 1861 1866

they cannot be closely connected; 1869 1872

→ is quite indefinite. 1859 1860 1861 1866

cannot be defined. 1869 1872

→ has been independently created. 1859 1860 1861 1866

are independent creations. 1869 1872

→ within each class which 1861 1866 1869 1872

which 1859 1860

→ yield the greatest number of va- rieties; 1866

vary most; 1859 1860 1861

yield the greatest number of varieties; 1869 1872

whereas, the species to which these varieties belong range over

14.3

provinces. So that the acknowledged varieties have

~~very~~

very

nearly the same restricted average range, as have

the

those very

closely allied forms, marked for me by Mr. Watson as doubtful species, but which are almost universally ranked by British botanists as good and true species.

Summary.

Finally,

~~then,~~

then,

varieties →OMIT cannot be distinguished from

species,—

species,—except,

except,

....

first,

firstly,

by the discovery of intermediate

linking

....

forms,

forms;

forms

and

and,

linking

→them together, and the occurrence of such links does not affect the character of the forms which they connect; and except,

secondly

secondly,

by a certain

indefinite amount

amount

difference

difference,

→for two forms, if differing very little, are generally ranked as varieties, notwithstanding that →intermediate linking forms have not been discovered; but the amount of difference considered necessary to give to

any two

two

forms the rank of species →is quite indefinite. In genera having more than the average number of species in any country, the species of these genera have more than the average number of varieties. In large genera the species are apt to be closely, but

unequally

unequally,

allied together, forming little clusters round

other

certain

species.

other species.

Species very closely allied to other species apparently have restricted ranges. In all these

~~several~~

several

respects the species of large genera present a strong analogy with varieties. And we can clearly understand these analogies, if species

~~have~~

have

once existed

as,

varieties, and

~~have~~

have

thus

originated:

originated;

whereas, these analogies are utterly inexplicable if

~~each~~

each

species →has been independently created.

We have, also, seen that it is the most flourishing

and

dominant species of the larger genera →within each class which on an average →yield the greatest number of va- rieties; and varieties, as we shall hereafter see,