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To G. J. Romanes 11 June [1877]
Summary
Discusses effects of natural selection. Discusses absence of blending between geographical races as a problem. Discusses effect of natural selection on productivity of an organism.
Comments on GJR’s review of Grant Allen’s book [Physiological aesthetics (1877)].
| Author: | Charles Robert Darwin |
| Addressee: | George John Romanes |
| Date: | 11 June [1877] |
| Classmark: | American Philosophical Society (Mss.B.D25.516) |
| Letter no: | DCP-LETT-10996 |
