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To J. D. Hooker 4 May [1865]
Summary
On FitzRoy’s life and character.
Carl von Siebold’s cases of males and females of gall insects [True parthenogenesis in moths and bees (1857)]. Each sex produced on different plants.
Haeckel’s astonishing case of propagation in a Medusa.
| Author: | Charles Robert Darwin |
| Addressee: | Joseph Dalton Hooker |
| Date: | 4 May [1865] |
| Classmark: | DAR 115: 268a–b |
| Letter no: | DCP-LETT-4827 |
