From:
William Erasmus Darwin
To:
Charles Robert Darwin
Date:
[13 Apr 1868]
Source of text:
DAR 162: 98
Summary:
Action of facial muscles at onset of crying.
Contributor:
Darwin Correspondence Project
Showing 1–7 of 7 items
Action of facial muscles at onset of crying.
Langstaff has never seen the platysma act, and he believes it to be rudimentary in humans.
Discusses how they might enquire about any provisions in the laws of partnership concerning lunacy.
Describes the action of facial muscles at the onset of crying as observed by Langstaff.
Gives details of the subjects on whom Langstaff made his observations on crying. Langstaff has not seen the platysma contract under chloroform.
Charles Langstaff on action of muscles in crying. He believes the primary object of the contraction of the orbicularis is to protect the eye from blood.
Blushing on the body.
Langstaff has seen no trace of blushing on the body.