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From R. W. Griffiths December 1877
Summary
A sheep-breeder friend has found that he can produce twins and triplets in his flock by "a sudden supply of improved feeding stuff" at time of conception. This would appear to remove the objection CD refers to in Descent that animals supplied with an excess of food become sterile.
| Author: | Richard William Griffiths |
| Addressee: | Charles Robert Darwin |
| Date: | Dec 1877 |
| Classmark: | DAR 165: 227 |
| Letter no: | DCP-LETT-11263 |
