→ highly probable that 1861 1866 |
probably 1859 1860 |
probable 1869 1872 |
|
→ those which have 1859 1860 1861 1866 |
that those which have 1869 |
that those which 1872 |
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↑ 1 blocks not present in 1859 1860 1861; present in 1866 1869 1872 |
It is a more important consideration, clearly
leading to the same result, as lately insisted on by Dr. Falconer, namely, that the periods
during which species have been undergoing
modification, though very
long as measured by years, have probably been
short in comparison with the periods
during which these same species
remained without undergoing any change.
|
|
→ in the case of 1859 1860 1861 1866 1869 |
with 1872 |
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→ effected by palæontologists. 1859 1860 1861 1866 1869 |
done. 1872 |
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→ OMIT 1860 1861 1866 1869 1872 |
CHAP. IX. GEOLOGICAL RECORD. 1859 |
|
→ only 1859 1860 1861 1869 1872 |
distinct species from their European representatives, and by other conchologists as only 1866 |
|
→ only by the future geologist 1859 1860 1861 1866 1869 |
by the future geologist only by his 1872 |
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→ is 1861 1866 1869 1872 |
seems to me 1859 1860 |
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→ is entirely 1861 1866 1869 |
as we shall see in the next chapter, is certainly 1872 |
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→ forms." We clearly see this if 1861 |
forms." We clearly see this if 1866 1869 |
forms." If 1872 |
|