terziario-innovativo-cn {Spam?} Ions are invariably the great sources of hum

Fri Jan 15 06:14:28 CET 2010

No advance in this class of animals. The science testifies to no
successive steps here. "They stood at the head of the icthyic division
at the outset; but there has been, during these periods, a progressive
_degeneracy_, so that though all possessed a high organization at first,
there is found in the after creations a _succession of lapses_ until the
division of fishes now contains species ranking little above the
earth-worm." "A single well defined placoid fossil in the Bala limestone
as fully proves the existence of placoid fishes, during the period of
its deposition, as if the rock were made up of placoid fossils, for it
is not a question of numbers, but of rank." The question, now, comes
home to us with all its force, how did fishes of this high order come to
exist before any of the inferior class?
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