From:
Charles Robert Darwin
To:
William Ogle
Date:
25 Mar [1871]
Source of text:
DAR 261.5: 9 (EH 88205907)
Summary:
Asks WO to act out the sudden discovery of a dreadful object and to observe whether his platysma contracts. CD has found in his notes that it is never contracted in cases of severe dyspnoea [Expression, p. 301].
Contributor:
Darwin Correspondence Project