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To Albert Charles Lewis Gotthilf Günther 7 December [1867]
Summary
Sends his photograph.
Asks for any information of well-marked sexual differences in snakes, batrachians, or lizards. The rattlesnakes at the Zoological Garden differ considerably in colour.
| Author: | Charles Robert Darwin |
| Addressee: | Albrecht Carl Ludwig Gotthilf (Albert) Günther |
| Date: | 7 Dec [1867] |
| Classmark: | Shrewsbury School, Taylor Library |
| Letter no: | DCP-LETT-5710 |
To A. C. L. G. Günther 21 December [1867]
Summary
Thanks AG for information.
| Author: | Charles Robert Darwin |
| Addressee: | Albrecht Carl Ludwig Gotthilf (Albert) Günther |
| Date: | 21 Dec [1867] |
| Classmark: | American Philosophical Society (Mss.B.D25.339) |
| Letter no: | DCP-LETT-5735 |
From A. C. L. G. Günther 19 December 1867
Summary
Sexual differences in reptiles, especially Indian [see A. Günther, The reptiles of British India (1864)].
| Author: | Albrecht Carl Ludwig Gotthilf (Albert) Günther |
| Addressee: | Charles Robert Darwin |
| Date: | 19 Dec 1867 |
| Classmark: | DAR 82: B72–4 |
| Letter no: | DCP-LETT-5733 |
From A. C. L. G. Günther [late December 1867 or early January 1868]
Summary
The Cyprinodontidae family of fishes exhibits sexual differences as remarkable as any in reptiles or birds [Descent 2: 7, 9–10].
| Author: | Albrecht Carl Ludwig Gotthilf (Albert) Günther |
| Addressee: | Charles Robert Darwin |
| Date: | [late Dec 1867 or early Jan 1868] |
| Classmark: | DAR 82: B75 |
| Letter no: | DCP-LETT-5734 |
Author
| Darwin, C. R. | (2) |
| Günther, Albert | (2) |
Addressee
| Darwin, C. R. | (2) |
| Günther, Albert | (2) |
