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Updated: May 28, 2025
Pelzeln has also objected that if the later organisms have proceeded from the earlier, the whole developmental series, from the simplest to the highest, could not now exist; in such a case the simpler organisms must have disappeared."
To this Professor Kolliker replies, with perfect justice, that the conclusion drawn by Pelzeln does not really follow from Darwin's premisses, and that, if we take the facts of Palaeontology as they stand, they rather support than oppose Darwin's theory.
Pelzeln has also objected that if the later organisms have proceeded from the earlier, the whole developmental series, from the simplest to the highest, could not now exist; in such a case the simpler organisms must have disappeared."
Pelzeln has also objected that if the later organisms have proceeded from the earlier, the whole developmental series, from the simplest to the highest, could not now exist; in such a case the simpler organisms must have disappeared."
To this Professor Koelliker replies, with perfect justice, that the conclusion drawn by Pelzeln does not really follow from Darwin's premises, and that, if we take the facts of Paleontology as they stand, they rather support than oppose Darwin's theory.
Upon this, Professor Koelliker remarks that the absence of transitional forms in the fossil world, though not necessarily fatal to Darwin's views, weakens his case. The struggle for existence does not take place." To this objection, urged by Pelzeln, Koelliker, very justly, attaches no weight. A tendency of organisms to give rise to useful varieties, and a natural selection, do not exist.
Upon this, Professor Kolliker remarks that the absence of transitional forms in the fossil world, though not necessarily fatal to Darwin's views, weakens his case. The struggle for existence does not take place." To this objection, urged by Pelzeln, Kolliker, very justly, attaches no weight. A tendency of organisms to give rise to useful varieties, and a natural selection, do not exist.
Upon this, Professor Kölliker remarks that the absence of transitional forms in the fossil world, though not necessarily fatal to Darwin's views, weakens his case. The struggle for existence does not take place." To this objection, urged by Pelzeln, Kölliker, very justly, attaches no weight. A tendency of organisms to give rise to useful varieties, and a natural selection, do not exist.
To this Professor Kölliker replies, with perfect justice, that the conclusion drawn by Pelzeln does not really follow from Darwin's premises, and that, if we take the facts of Palæontology as they stand, they rather support than oppose Darwin's theory.
Upon this, Professor Kolliker remarks that the absence of transitional forms in the fossil world, though not necessarily fatal to Darwin's views, weakens his case. The struggle for existence does not take place." To this objection, urged by Pelzeln, Kolliker, very justly, attaches no weight. A tendency of organisms to give rise to useful varieties, and a natural selection, do not exist.
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