CD is convinced by the conclusions of Malthus.
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CD is convinced by the conclusions of Malthus.
In an article in Das Ausland, Zacharias explains CD’s objections to a theory of heredity outlined by Marcus Cohen. The text is an excerpt from CD’s letter to Zacharias on the subject.
Promises to send sheets of his new book [Cross and self-fertilisation].
The sheets of Cross and self-fertilisation will be sent to OZ as they become ready.
Thanks OZ for a "magnificent Album".
On Beagle voyage CD believed in permanence of species. Had occasional vague doubts. In autumn of 1836 saw how many facts indicated common descent of species. In 1837 opened notebook to record facts.
CD has sent the pig’s foot to William Henry Flower to examine.
Doesn’t know anything about the insects in question, but has sent the photographs on to an expert in London.