Is it now thought that the spongioles of rootlets secrete carbonic acid which acts on bones and rocks?
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The Charles Darwin Collection
The Darwin Correspondence Project is publishing letters written by and to the naturalist Charles Darwin (1809–1882). Complete transcripts of letters are being made available through the Project’s website (www.darwinproject.ac.uk) after publication in the ongoing print edition of The Correspondence of Charles Darwin (Cambridge University Press 1985–). Metadata and summaries of all known letters (c. 15,000) appear in Ɛpsilon, and the full texts of available letters can also be searched, with links to the full texts.
Is it now thought that the spongioles of rootlets secrete carbonic acid which acts on bones and rocks?
Sends paper on Artemesia.
Praise for Descent.
Has talked to St George Mivart about CD’s health.
Discussed observations made in 1863 of Impatiens pollen and humble-bees.