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From John Hellins 20 April 1868
Summary
Gives the evidence on which he relied for his view, which CD thinks is erroneous, of proportion of sexes in Lepidoptera.
| Author: | John Hellins |
| Addressee: | Charles Robert Darwin |
| Date: | 20 Apr 1868 |
| Classmark: | DAR 85: B71–75, B79–82 |
| Letter no: | DCP-LETT-6133 |
Document type
| letter | (1) |
Correspondent
| Darwin, C. R. | (1) |
| Hellins, John | (1) |
