skip to content

Darwin Correspondence Project

Search Results

Darwin Correspondence Project
Search:
"Crotch W D" in search-correspondent [X]
5 Items
Sorted by:  
Page: 1

From William Duppa Crotch   25 January 1861

thumbnail

Summary

Physiological changes in Shetland ponies and seagulls resulting from change in diet.

Reports on the discovery of eyeless beetles in cellar [i.e., not caves]. How did they get there, and whence?

Author:  William Duppa Crotch
Addressee:  Charles Robert Darwin
Date:  25 Jan 1861
Classmark:  DAR 47: 173–4
Letter no:  DCP-LETT-3052

From William Duppa Crotch   10 April 1865

Summary

Supports Atlantis hypothesis.

Author:  William Duppa Crotch
Addressee:  Charles Robert Darwin
Date:  10 Apr 1865
Classmark:  DAR 161: 274
Letter no:  DCP-LETT-4811

From W. D. Crotch   24 October 1871

thumbnail

Summary

Gives possible explanation for retention of horns throughout the winter by female reindeer.

Work on Atlantis.

Author:  William Duppa Crotch
Addressee:  Charles Robert Darwin
Date:  24 Oct 1871
Classmark:  DAR 88: 114–15
Letter no:  DCP-LETT-8031

From W. D. Crotch   17 November 1872

thumbnail

Summary

Horns of female reindeer disappear after their calves are dropped [see Descent, 2d ed., p. 503].

Lemmings in Norway.

Author:  William Duppa Crotch
Addressee:  Charles Robert Darwin
Date:  17 Nov 1872
Classmark:  DAR 88: 116a–b
Letter no:  DCP-LETT-8632

From W. D. Crotch   14 November 1873

thumbnail

Summary

Sends information on shedding of reindeer horns in males and females.

Lemmings.

Author:  William Duppa Crotch
Addressee:  Charles Robert Darwin
Date:  14 Nov 1873
Classmark:  DAR 88: 127–8
Letter no:  DCP-LETT-9141
Document type
letter (5)
Author
Addressee
Correspondent
Date
1861 (1)
1865 (1)
1871 (1)
1872 (1)
1873 (1)
letter