From George Rogers 4 June 1868
Summary
Suggests variation in seed-covering membranes as a cause of variation in plants.
| Author: | George Rogers |
| Addressee: | Charles Robert Darwin |
| Date: | 4 June 1868 |
| Classmark: | DAR 176: 193 |
| Letter no: | DCP-LETT-6227 |
To H. B. Tristram 4 June 1868
Summary
Asks about camouflage of birds in the Sahara desert.
| Author: | Charles Robert Darwin |
| Addressee: | Henry Baker Tristram |
| Date: | 4 June 1868 |
| Classmark: | Private collection |
| Letter no: | DCP-LETT-6227F |
From E. W. Janson 4 June 1868
Summary
Sends specimens of Coleoptera.
Quotes from W. F. Erichson [Naturgeschichte der Insecten Deutschlands 3: 927] on stridulating organs in Trox.
| Author: | Edward Westey Janson |
| Addressee: | Charles Robert Darwin |
| Date: | 4 June 1868 |
| Classmark: | DAR 82: A101–2 |
| Letter no: | DCP-LETT-6228 |
From T. H. Farrer 4 June 1868
Summary
Describes work with pollinia of another Orchis species.
| Author: | Thomas Henry Farrer, 1st baronet and 1st Baron Farrer |
| Addressee: | Charles Robert Darwin |
| Date: | 4 June 1868 |
| Classmark: | DAR 164: 42 |
| Letter no: | DCP-LETT-6229 |
Document type
| letter | (4) |
Author
| Darwin, C. R. | (1) |
| Farrer, T. H. | (1) |
| Janson, E. W. | (1) |
| Rogers, George | (1) |
Addressee
| Darwin, C. R. | (3) |
| Tristram, H. B. | (1) |
Correspondent
| Darwin, C. R. | (4) |
| Farrer, T. H. | (1) |
| Janson, E. W. | (1) |
| Rogers, George | (1) |
| Tristram, H. B. | (1) |
