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| | CATHOLIC ENCYCLOPEDIA: Evolution |
 | | Trying to harmonize the Lamarckian and Darwinian factors of evolution, he was among the first to defend the so-called neo-Lamarckian theory, which insists upon the direct influence of the environment and the inheritance of newly acquired characters. |
 | | According to him progressive evolution required intrinsic laws of developmnent, which, however, as he added, were to be sought for in molecular forces. |
 | | The bones of the fore-limbs are not movable independently of one another, being bound together by means of tendons.Other remarkable vestigial structures are the teeth of the Arctic right whale, which never penetrate the gums and are reabsorbed before birth, the upper teeth of the ox, the milk teeth and the eyes of the mole. |
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