From:
Charles Robert Darwin
To:
William Ogle
Date:
12 Mar [1871]
Source of text:
DAR 261.5: 7 (EH 88205905)
Summary:
Thanks WO for his replies [to 7551]. Discusses the open mouth in surprise; asks WO to investigate its function in hearing and breathing.
Asks why deaf persons generally keep mouths open.
Contributor:
Darwin Correspondence Project