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From Alexander Wallace 25 February 1868
Summary
Asks CD to make his queries about proportion of sexes more precise so he can keep them in mind in his experiments with silkworms. [see Descent 1: 313.]
| Author: | Alexander Wallace |
| Addressee: | Charles Robert Darwin |
| Date: | 25 Feb 1868 |
| Classmark: | DAR 85: B69–70 |
| Letter no: | DCP-LETT-5933 |
From Alexander Wallace 28 February 1868
Summary
Proportion of sexes in insects, captured and bred. [see Descent 1: 313.]
| Author: | Alexander Wallace |
| Addressee: | Charles Robert Darwin |
| Date: | 28 Feb 1868 |
| Classmark: | DAR 85: B41–5 |
| Letter no: | DCP-LETT-5953 |
