→ do not 1859 1860 1861 1866 |
are not 1869 |
are by no means sufficient to 1872 |
|
→ overthrow 1859 1860 1861 1866 1872 |
sufficient to overthrow 1869 |
|
→ from a few primordial forms with subsequent 1861 1866 |
with 1859 1869 1872 |
from a few created forms with subsequent 1860 |
|
→ variability. 1859 1860 1861 1866 |
variability, caused, or at least excited, by changed conditions of life. 1869 |
variability, caused, or at least excited, by changed conditions of life; but often in so obscure a manner, that we are tempted to consider the variations as spontaneous. 1872 |
|
→ by 1859 1860 1861 1866 1869 |
compensation, the increased 1872 |
|
→ and by the direct 1859 1860 1861 1866 |
and by the definite 1869 |
of parts, and the definite 1872 |
|
→ for 1859 1860 1861 1866 |
under domestication for a very long period; for 1869 |
under domestication for a very long period; nor do we know that it ever ceases, for 1872 |
|
→ produce variability; 1859 1860 1861 1866 1869 |
caused by man; 1872 |
|
→ variability. 1859 1860 1861 1866 1869 |
it to vary. 1872 |
|