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To William Ogle   9 November 1870

Summary

Has read WO’s paper [see 7361] with great interest. If WO’s views are confirmed he will be able to explain many odd little details about the colouring of animals.

Can WO observe if the platysma myoides is brought into strong action in people suffering from severe dyspnoea?

Author:  Charles Robert Darwin
Addressee:  William Ogle
Date:  9 Nov 1870
Classmark:  DAR 147: 193
Letter no:  DCP-LETT-7364

To William Ogle   17 November [1870]

Summary

Thanks WO for information on platysma, which he did not know could be brought into voluntary action. Is coming to believe it has nothing to do with expression.

On the relation between white colouring and susceptibility to poisonous plants, CD suggests WO send his paper to J. Wyman and propose he investigate whether white as well as black pigs will eat paint-root.

Author:  Charles Robert Darwin
Addressee:  William Ogle
Date:  17 Nov [1870]
Classmark:  DAR 261.5: 4 (EH 88205902)
Letter no:  DCP-LETT-7373

To William Ogle   17 December [1870]

Summary

Thanks WO for valuable letter. Feels he need not trouble any more about platysma. If WO ever sees someone suffering great fear, CD asks him to observe the neck.

Hopes to visit WO when next in London.

Author:  Charles Robert Darwin
Addressee:  William Ogle
Date:  17 Dec [1870]
Classmark:  DAR 261.5: 5 (EH 88205903)
Letter no:  DCP-LETT-7394

From William Ogle   [before 9 November 1870]

Summary

Sends CD a paper dealing in part with animal pigmentation [Med.-Chir. Trans. 2d ser. 411 [check vol no!?] (1870): 263–90]. Discusses relationship between white colouring and susceptibility to poisonous plants.

Author:  William Ogle
Addressee:  Charles Robert Darwin
Date:  [before 9 Nov 1870]
Classmark:  DAR 173: 3
Letter no:  DCP-LETT-7361

From William Ogle   [10–17 November 1870]

Summary

Relates instances of rabbits suffering from a condition which affects only the patches of white on their fur.

Will make observations on the platysma for CD.

Author:  William Ogle
Addressee:  Charles Robert Darwin
Date:  [10-17 Nov 1870]
Classmark:  DAR 173: 4
Letter no:  DCP-LETT-7365

From William Ogle   [after 17 December 1870]

Summary

Would be pleased to be visited by CD.

J. Wyman will make observations on black pigs and white pigs in Florida.

Author:  William Ogle
Addressee:  Charles Robert Darwin
Date:  [after 17 Dec 1870]
Classmark:  DAR 173: 5
Letter no:  DCP-LETT-7397
Document type
letter (6)
Addressee
Correspondent
Darwin, C. R.[X]
Ogle, William[X]
Date
1870
11 (4)
12 (2)
letter