From W. E. Darwin [22? April 1868]
Summary
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.
| Author: | William Erasmus Darwin |
| Addressee: | Charles Robert Darwin |
| Date: | [22? Apr 1868] |
| Classmark: | DAR 162: 83, 80, 80/1 |
| Letter no: | DCP-LETT-6137 |
Matches: 2 hits
- … 16 April was 22 April. Charles Langstaff . See letter to W. E. Darwin, 16 April [1868] …
- … Charles Bell and C. Bell 1844 . See letter to W. E. Darwin, 8 April [1868] . On William’s business affairs, see the letter from W. E. Darwin, [7 April 1868] and n. 2. In his queries on expression, CD asked how far down the body blushing extended (see Correspondence vol. 16, Appendix V). Langstaff’ …
From W. E. Darwin [15 April 1868]
Summary
Gives details of the subjects on whom Langstaff made his observations on crying. Langstaff has not seen the platysma contract under chloroform.
| Author: | William Erasmus Darwin |
| Addressee: | Charles Robert Darwin |
| Date: | [15 Apr 1868] |
| Classmark: | DAR 162: 84 |
| Letter no: | DCP-LETT-6122 |
From W. E. Darwin [13 April 1868]
Summary
Action of facial muscles at onset of crying.
| Author: | William Erasmus Darwin |
| Addressee: | Charles Robert Darwin |
| Date: | [13 Apr 1868] |
| Classmark: | DAR 162: 98 |
| Letter no: | DCP-LETT-5965 |
To W. E. Darwin 8 April [1868]
Summary
Thanks Charles Langstaff for his observations relating to expression. Has requested observations on the platysma. Discusses the actions of other facial muscles, especially during crying. [Encloses 5828.]
| Author: | Charles Robert Darwin |
| Addressee: | William Erasmus Darwin |
| Date: | 8 Apr [1868] |
| Classmark: | DAR 210.6: 124, 128 |
| Letter no: | DCP-LETT-6103 |
From W. E. Darwin [5 and 8? April 1868]
Summary
Langstaff has seen no trace of blushing on the body.
| Author: | William Erasmus Darwin |
| Addressee: | Charles Robert Darwin |
| Date: | 5 and 8 Apr 1868 |
| Classmark: | DAR 162: 81; Cornford Family Papers (DAR 275: 34) |
| Letter no: | DCP-LETT-6149 |
To W. E. Darwin 22 [March 1868]
Summary
Asks WED to observe a suppressed yawn.
Asks whether scratching a tickling point makes tears come to his eyes.
| Author: | Charles Robert Darwin |
| Addressee: | William Erasmus Darwin |
| Date: | 22 [Mar 1868] |
| Classmark: | Natural History Museum, Library and Archives (General Special Collections MSS DAR A23) |
| Letter no: | DCP-LETT-8396 |
From W. E. Darwin [7 April 1868]
Summary
Describes the action of facial muscles at the onset of crying as observed by Langstaff.
| Author: | William Erasmus Darwin |
| Addressee: | Charles Robert Darwin |
| Date: | [7 Apr 1868] |
| Classmark: | DAR 162: 99 |
| Letter no: | DCP-LETT-6100 |
From W. E. Darwin [7–15 April 1868]
Summary
Langstaff has never seen the platysma act, and he believes it to be rudimentary in humans.
| Author: | William Erasmus Darwin |
| Addressee: | Charles Robert Darwin |
| Date: | [7–15 Apr 1868] |
| Classmark: | DAR 162: 80/4 |
| Letter no: | DCP-LETT-6076 |
To W. E. Darwin 16 April [1868]
Summary
Asks WED whether Langstaff could make some observations on certain facial muscles in expression.
| Author: | Charles Robert Darwin |
| Addressee: | William Erasmus Darwin |
| Date: | 16 Apr [1868] |
| Classmark: | DAR 210.6: 129 |
| Letter no: | DCP-LETT-6124 |
From W. E. Darwin 5 March [1868]
Summary
Crying in babies.
| Author: | William Erasmus Darwin |
| Addressee: | Charles Robert Darwin |
| Date: | 5 Mar [1868] |
| Classmark: | DAR 162: 87 |
| Letter no: | DCP-LETT-5981 |
| letter | (10) |
| Darwin, W. E. | (7) |
| Darwin, C. R. | (3) |
| Darwin, C. R. | (7) |
| Darwin, W. E. | (3) |
| Darwin, C. R. | (10) |
| Darwin, W. E. | (10) |
