From:
Charles Robert Darwin
To:
John Tyndall
Date:
[27 Feb 1871]
Source of text:
DAR 261.8: 7 (EH 88205945)
Summary:
Thinks JT’s discovery of a glycerine respirator is an interesting practical discovery. CD has been wondering about the hairs in our nostrils, but doubts that JT has explained their function, since there are hardly enough.
Will ask W. Ogle to observe hairs in nostrils of different races.
Contributor:
Darwin Correspondence Project