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perfect, 1859 1860 1861 1866 1869
complete, which is far from the case, 1872

as well as they could be 1859 1860 1861 1866 1869
OMIT 1872

intermediate in character, intermediate in age. But supposing for an instant, in this and other such cases, that the record of the first appearance and disappearance of the species was perfect, we have no reason to believe that forms successively produced necessarily endure for corresponding lengths of
time.
time:
A
a
very ancient form
may
might
occasionally
have lasted
last
much longer than a form
elsewhere
else-where
subsequently produced, especially in the case of terrestrial productions inhabiting separated districts. To compare small things with
great;
great:
if the principal living and extinct races of the domestic pigeon were arranged as well as they could be in serial affinity, this arrangement would not
closely accord
accord closely
with the order in time of their production, and
still
even
less with the order of their disappearance; for the parent rock-pigeon
now
still
lives; and many varieties between the rock-pigeon and the carrier have become extinct; and carriers which are extreme in the important character of length of beak originated earlier than short-beaked tumblers, which are at the opposite end of the series in this
same
....
respect.
Closely connected with the statement, that the organic remains from an intermediate formation are in some degree intermediate in character, is the fact, insisted on by all palæontologists, that fossils from two consecutive formations are far more closely related to each other, than are the fossils from two remote formations. Pictet gives
as
us
a well-known instance, the general resemblance of the organic remains from the several stages of the
chalk
Chalk
formation, though the species are distinct in each stage. This fact alone, from its generality, seems to have shaken Professor Pictet in his
firm
firm
belief in the immutability of species. He who is acquainted with the distribution of existing species over the globe, will not attempt to account for the close resemblance of
the
....
distinct species in closely