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Both Lamarckians and Weismannists, not to mention mankind in general, admit that the better adapted to its surroundings a living form may be, the more likely it is to outbreed its compeers.

Now let me return to the recent division of biological opinion into two main streams Lamarckism and Weismannism Both Lamarckians and Weismannists, not to mention mankind in general, admit that the better adapted to its surroundings a living form may be, the more likely it is to outbreed its compeers.

It will be seen that the language used in this volume is not the particular language of any one of these schools. * Of recent years another compromise has been proposed between the Lamarckians and Weismannists.

In regard to the issue between the Lamarckians and Weismannists whether changes acquired by the parent are inherited by the young recent experiments again suggest something of a compromise.

According, on the other hand, to extreme Charles-Darwinians and Weismannists, habit, effort and intelligence acquired during the experience of any one life goes for nothing. Not even a little fraction of it endures to the benefit of offspring. It dies with him in whom it is acquired, and the heirs of a man's body take no interest therein.

According, on the other hand, to extreme Charles-Darwinians and Weismannists, habit, effort and intelligence acquired during the experience of any one life goes for nothing. Not even a little fraction of it endures to the benefit of offspring. It dies with him in whom it is acquired, and the heirs of a man's body take no interest therein.