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To Otto Staudinger 6 May [1868]
Summary
Asks about the ratio of male to female Lepidoptera.
| Author: | Charles Robert Darwin |
| Addressee: | Otto Staudinger |
| Date: | 6 May [1868] |
| Classmark: | DAR 147: 491 |
| Letter no: | DCP-LETT-6164 |
To Otto Staudinger 20 May 1868
Summary
Thanks for information on sex ratios of Lepidoptera.
Agrees that entomologists have best means of proving derivation of species.
| Author: | Charles Robert Darwin |
| Addressee: | Otto Staudinger |
| Date: | 20 May 1868 |
| Classmark: | DAR 147: 492 |
| Letter no: | DCP-LETT-6192 |
Addressee
| Staudinger, Otto | (2) |
Date
| 1868 | (2) |
