Origin of Species Variorum

→ of the corolla 1859 1860 1861 1866 1869

OMIT 1872

→ the 1859 1860 1861 1866 1869

with birds the 1872

→ of 1859 1860 1861 1866

and form of 1869 1872

→ of correlation is very 1859 1860 1861 1866

of correlation is 1869

is 1872

→ the 1859 1860 1861 1872

in cats the 1866 1869

→ between blue eyes and deafness 1859 1860 1861

between complete whiteness with blue eyes and deafness, 1866 1869

OMIT 1872

→ in cats, and 1859 1860 1861

or between 1866 1869

in cats between complete whiteness and blue eyes with deafness, or between 1872

→ the 1859 1860 1861

or in pigeons between their 1866 1869 1872

→ in pigeons, and 1859 1860 1861

and between 1866

or between 1869 1872

→ if we pick out 1859 1860 1861 1866 1869

OMIT 1872

→ the 1859 1860 1861 1866 1869

on the whole the 1872

→ teeth. 1859 1860 1861 1866 1869

teeth; but there are so many exceptions to this rule, as Mr. Mivart has remarked, that it has little value. 1872

→ correlation in modifying important structures, 1859 1860 1861

correlation in leading to modifications of important structures, 1866

variation and correlation, 1869

correlation and variation, 1872

→ of 1859 1860 1861 1866 1872

before referred to, of 1869

→ knows 1859 1860 1861 1866 1869

is familiar with 1872

the petals →of the corolla into a tube. Hard parts seem to affect the

forms

form

of adjoining soft parts; it is believed by some authors that →the diversity in the shape of the pelvis

~~in birds~~

in birds

causes the remarkable diversity in the shape of their kidneys. Others believe that the shape of the pelvis in the human mother influences by pressure the shape of the head of the child. In snakes, according to Schlegel, the

form

shape

of the body and the manner of swallowing determine the position →of several of the most important viscera.

The nature of the bond →of correlation is very frequently quite obscure. M. Is. Geoffroy St. Hilaire has forcibly remarked, that certain malconformations

~~very~~

very

frequently, and that others

rarely,

rarely

co-exist,

coexist,

without our being able to assign any reason. What can be more singular than →the relation →between blue eyes and deafness →in cats, and the tortoise-shell colour

and

with

the female sex; →the feathered feet and skin

betwixt

between

the outer

toes,

toes

→in pigeons, and the presence of more or less down on the young

bird

pigeon

birds

when first hatched, with the future colour of

its

their

plumage; or, again, the relation between the hair and teeth in the naked Turkish dog, though here

no doubt

probably

homology comes into play? With respect to this latter case of correlation, I think it can hardly be accidental,

that,

that

→if we pick out the two orders of

mammals

mammalia

which are most abnormal in their dermal

coverings,

covering,

viz.,

viz.

Cetacea (whales) and Edentata (armadilloes, scaly

ant-eaters,

anteaters,

&c.),

these

~~that these~~

that these

are likewise →the most abnormal in their →teeth.

I know of no case better adapted to show the importance of the laws of →correlation in modifying important structures, independently of utility

and

and,

therefore

therefore,

of natural selection, than that →of the difference between the outer and inner flowers in some Compositous and Umbelliferous plants. Every one →knows the