From:
William Boyd Dawkins
To:
Charles Robert Darwin
Date:
23 Feb 1871
Source of text:
DAR 162: 126
Summary:
Thanks for the present of CD’s long-expected book [Descent].
Contributor:
Darwin Correspondence Project
Thanks for the present of CD’s long-expected book [Descent].
Descent publication costs, "including a heavy item of £126 for corrections" have been received. JM can now offer CD 600 guineas for the edition of 2500 copies.
Receipt for payment by John Murray of £630 for the first edition, consisting of 2500 copies, of Descent.
Has devised a respirator for firemen by moistening cotton wool with glycerine and adding charcoal. JT suggests the nose with its hairs and mucus is a respirator that would give protection against diseases caused by floating particles. The presence of hair and mucus is thus explained by CD’s theory.