Organs, | Organs, 1860 1861 1866 1869 | | Useful organs, 1872 |
| developed, if of use, should not be called rudimentary; they cannot properly be said to be in an atrophied condition; they 1860 |
| developed, if of use, should not be called rudimentary: they 1861 1866 |
| developed, if of use, should not be considered as rudimentary: they 1869 |
| they 1872 |
| called nascent, and may hereafter be developed to any extent by natural selection. 1860 |
| called nascent, and may hereafter be developed by natural selection to any further extent. 1861 1866 1869 |
| developed, unless we have reason to suppose that they were formerly more highly developed, ought not to be considered as rudimentary. They may be in a nascent condition, and in progress towards further development. 1872 |
| organs, 1860 1861 1866 1869 1872 | | organs 1859 |
| on 1860 1861 1866 1869 1872 | | in 1859 |
| other hand, are essentially useless, as teeth which never cut through the gums; in a still less developed condition, they would be of still less use. 1860 |
| individuals of the same species are very liable to vary in degree of development and in other respects. Moreover, in closely allied species, the degree to which the same organ has been rendered rudimentary occasionally differs much. 1859 |
| other hand, are essentially useless, as teeth which never cut through the gums. 1861 1866 1869 |
| other hand, are either quite useless, such as teeth which never cut through the gums, or almost useless, such as the wings of an ostrich, which serve merely as sails. 1872 |
| 1 blocks not present in 1859 1860 1866 1869 1872; present in 1861 | | Moreover, in closely allied species, the degree to which the same organ has been rendered rudimentary occasionally differs much.
|
| cannot, therefore, under their present condition, 1860 |
| relate to a former condition of their possessor, and 1861 |
| OMIT 1872 |
| formed by natural selection, which acts solely by the preservation of useful modifications; they have been retained, as we shall see, by 1860 |
| retained, as we shall see, by 1861 |
| partially retained by the power of 1872 |
| inheritance, 1860 1872 | | inheritance. 1861 |
| relate 1860 1872 | relate 1861 |
| former 1860 1872 | former 1861 |
| condition 1860 | | state 1872 | condition 1861 |
| their possessor. 1860 | their possessor. 1861 | | things. 1872 |
| is 1860 1861 1866 1869 |
| is, however, often 1872 |
| know what are nascent organs; 1860 |
| know what organs are nascent; 1861 1866 1869 |
| distinguish between rudimentary and nascent organs; 1872 |
| looking to the future, we cannot of course tell how any part will be developed, and whether it is now nascent; looking to the past, creatures with an organ in a nascent 1860 1861 |
| looking to the future, we cannot of course tell how any part will be developed, and whether it is now in a nascent condition; looking to the past, creatures with an organ in a nascent 1866 |
| looking to the future, we can- not of course tell how any part will be developed, and whether it is now in a nascent condition; looking to the past, creatures with an organ in this 1869 |
| for we can judge only by analogy whether a part is capable of further development, in which case alone it deserves to be called nascent. Organs in this 1872 |
| generally 1860 1861 1866 1869 |
| always be somewhat rare; for beings thus provided will commonly 1872 |
| and exterminated 1860 1861 | and exterminated 1866 1869 1872 |
| organ 1860 1861 | | same organ 1866 1869 1872 |
| and developed condition. 1860 1861 |
| and developed condition, and consequently will not now exist. 1866 |
| state, and consequently will have become long ago extinct. 1869 1872 |
| and acts 1860 1861 | | acting 1866 1869 1872 |
| wings 1860 1861 | | wing; 1866 1869 1872 |
| of birds; 1860 1861 | of birds; 1866 1869 1872 |
| case, 1860 | | case; 1861 1866 1869 1872 |
| function: 1860 1861 1866 1869 | | function; 1872 |
| Apteryx 1860 1861 | | Apteryx, 1866 1869 1872 |
| is 1860 1861 |
| on the other hand, is quite 1866 1869 1872 |
| glands 1860 1861 1866 1869 | | glans 1872 |
| Ornithorhynchus 1860 1861 1866 1872 | | Ornitho-rhynchus 1869 |
| may, 1860 1861 1866 | | may 1869 1872 |
| perhaps, 1860 1861 | | probably, 1866 | perhaps, 1869 1872 |
| the udder of a 1860 1861 |
| those of the 1866 |
| the udders of a 1869 1872 |
| state. 1860 1861 | | condition. 1866 1869 1872 |
| are only slightly developed and which 1860 1861 1866 1869 |
| OMIT 1872 |
| ova, 1860 1861 1866 1869 | | ova 1872 |
| are 1860 1861 1866 1869 |
| and are feebly developed, are 1872 |
| in the individuals of the same species 1860 1861 1866 1872 |
| OMIT 1869 |
| degree of 1860 1861 1866 |
| the degree of their 1872 |
| OMIT 1869 |
|
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