291.
Professor Ray Lankester does not commit himself absolutely to this
view, but lends it support by saying (Nature, December 12, 1889):
"It is hardly necessary to say that it has never yet been shown
experimentally that _anything_ acquired by one generation is
transmitted to the next (putting aside diseases)."
Mr. Romanes, writing in Nature, March 13, 1890, and opposing certain
details of Professor Weismann's theory, so far supports it as to say
that "there is the gravest possible doubt lying against the
supposition that any really inherited decrease is due to the
inherited effects of disuse." The "gravest possible doubt" should
mean that Mr. Romanes regards it as a moral certainty that disuse
has no transmitted effect in reducing an organ, and it should follow
that he holds use to have no transmitted effect in its development.
The sequel, however, makes me uncertain how far Mr. Romanes intends
this, and I would refer the reader to the article which Mr. Romanes
has just published on Weismann in the Contemporary Review for this
current month.
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