resemble each other much more closely than do the
adults,— | adults,— 1869 1872 | | adults, 1859 1860 1861 1866 |
| with 1869 1872 | | in 1859 1860 1861 1866 |
| breeds 1869 1872 | | case 1859 1860 1861 1866 |
| the pigeon. 1869 1872 | | pigeons. 1859 1860 1861 1866 |
| widely distinct structures and to whole 1869 1872 |
| whole families or even 1859 1860 1861 1866 |
| once served 1869 1872 | | served 1859 1860 1861 1866 |
| to a remote progenitor, may have become, through 1869 1872 |
| in the parent-species, may become, by 1859 |
| in the parent-species, may have become, by 1860 1861 1866 |
| but 1869 1872 | | and 1859 1860 1861 1866 |
| principles 1869 1872 |
| principles— namely of each successive modification supervening at a rather late age, and being inherited at a corresponding late age— 1859 1861 1866 |
| principles— namely of each successive modification supervening at a rather late age, and being inherited at a corre- sponding late age— 1860 |
| will not have been much modified in 1869 1872 |
| in 1859 1860 1861 1866 |
| these 1869 1872 | | the 1859 1860 1861 1866 |
| forms; although in each the embryonic fore-limb will differ greatly from that in the adult. 1869 |
| descendants of the parent-species will still resemble each other closely, for they will not have been modified. 1859 1860 1866 |
| descendants of the parent species will still resemble each other closely, for they will not have been modified. 1861 |
| forms; although in each form the fore-limb will differ greatly in the adult state. 1872 |
| 1 blocks not present in 1869 1872; present in 1859 1860 1861 1866 | | But in each individual
new species, the embryonic fore-limbs will differ greatly from the fore-limbs in the mature animal; the limbs in the latter
having undergone much modification at a rather late period of life, and having thus been converted into hands, or paddles, or wings.
|
| influence, 1869 | | influence 1859 1860 1861 1866 1872 |
| moreover, long-continued use or disuse 1869 |
| long-continued exercise or use on the one hand, and disuse on the other, 1859 1860 1861 |
| long-continued exercise or disuse 1866 |
| long-continued use or disuse 1872 |
| had in modifying the limbs or other parts of animals, this will chiefly or solely have affected them when mature and when they had to use their 1869 |
| in modifying an organ, such influence will mainly affect the mature animal, which has come to its 1859 1860 1861 |
| had in modifying an organ, such influence will mainly affect the mature animal, which has come to its 1866 |
| had in modifying the limbs or other parts of any species, this will chiefly or solely have affected it when nearly mature, when it was compelled to use its 1872 |
| OMIT 1869 1872 |
| of activity and has 1859 1860 1861 1866 |
| to 1859 1860 1861 1869 1872 | | had to 1866 |
| their 1869 | | its 1859 1860 1861 1866 1872 |
| effect 1869 | | effects 1859 1860 1861 1866 1872 |
| be transmitted to the offspring 1869 |
| be inherited 1859 1860 1861 1866 |
| have been transmitted to the offspring 1872 |
| a 1859 1860 1861 1869 1872 | | the 1866 |
| mature 1859 1860 1861 1866 1869 | | nearly mature 1872 |
| Thus 1869 1872 | | Whereas 1859 1860 1861 1866 |
| not 1869 |
| remain unmodified, or 1859 1860 1861 1866 |
| not be modified, or 1872 |
| be modified 1859 1860 1861 1866 1869 |
| will be modified only 1872 |
| or will be modified in a less degree. 1869 |
| in a lesser degree, by the effects of use and disuse. 1859 1860 1861 1866 |
| in a slight degree, through the effects of the increased use or disuse of parts. 1872 |
|
In other cases | In other cases 1869 |
| In certain cases 1859 1860 1861 1866 |
| With some animals 1872 |
| ..... 1869 | | the 1859 1860 1861 1866 1872 |
| variations may have supervened 1869 1872 |
| steps of variation might supervene, from causes of which we are wholly ignorant, 1859 1860 1861 1866 |
| the 1869 1872 | | each 1859 1860 1861 1866 |
| steps 1869 1872 | | step 1859 1860 1861 1866 |
| may have been 1869 1872 |
| might be 1859 1860 1861 1866 |
| age 1869 1872 | | period 1859 1860 1861 1866 |
| they 1869 1872 | | it 1859 1860 1861 1866 |
| occurred. 1869 1872 | | appeared. 1859 1860 1861 1866 |
| case, as we have seen with the short-faced tumbler, 1869 |
| case (as with the short-faced tumbler) 1859 1860 1861 1866 |
| of these cases, 1872 |
| would 1859 1860 1861 1866 1869 | | will 1872 |
| parent-form. 1859 1860 1861 1866 1869 |
| parent-form, as we have seen with the short-faced tumbler. 1872 |
| And 1869 1872 |
| We have seen that 1859 1860 1861 1866 |
| groups 1859 1860 1861 1866 1869 | | groups, 1872 |
| or sub-groups, 1869 |
| of animals, 1859 1860 1861 1866 |
| or in certain sub-groups alone, 1872 |
| cuttle-fish, 1866 1869 1872 | | cuttle-fish 1859 1861 | | cuttle fish 1860 |
| land-shells, fresh-water crustaceans, 1866 1869 1872 |
| and 1859 1860 1861 |
| some 1869 1872 |
| with a few 1859 1860 1861 1866 |
| insects. 1866 1869 1872 | | insects, 1859 1860 1861 |
| ..... 1866 1869 1872 | | as 1859 1860 1861 |
| ..... 1866 1869 1872 | | with 1859 1860 1861 |
| ..... 1866 1869 1872 | | Aphis. 1859 1860 1861 |
| these groups not passing through 1869 |
| these cases not undergoing 1859 1860 1861 1866 |
| such groups not passing through 1872 |
| OMIT 1866 1869 1872 |
| or closely resembling their parents from their earliest age, 1859 1860 1861 |
| follow 1869 1872 | | result 1859 1860 1861 1866 |
| ..... 1869 1872 | | two 1859 1860 1861 1866 |
| contingencies; 1859 1869 1872 | | contingencies: 1860 1861 | | contin- gencies: 1866 |
| namely, 1869 1872 | | firstly, 1859 1860 1861 1866 |
| young 1869 1872 | | young, 1859 1860 1861 1866 |
| OMIT 1869 1872 |
| during a course of modification carried on for many generations, 1859 1860 1861 1866 |
|
