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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
Document type
letter (1)
Author
Addressee
Correspondent
Darwin, C. R.[X]
Griffiths, R. W.[X]
Date
letter