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To the Athenæum   19 June 1869

Summary

Thanks correspondent, "Ponderer", for pointing out his erroneous calculation of the rate of increase of elephants in Origin [p. 64]. [!?or p. 74!? (see 6775f), or 75, (see 6790)]

Author:  Charles Robert Darwin
Addressee:  Athenæum
Date:  19 June 1869
Classmark:  Athenæum, 26 June 1869, p. 861
Letter no:  DCP-LETT-6787

To the Athenæum   7 [July] 1869

Summary

Because readers have arrived at different answers to the problem of the rate of increase of elephants, CD offers a rule, used by his son George, for calculating the product for any number of generations.

[Letter erroneously dated June.]

Author:  Charles Robert Darwin
Addressee:  Athenæum
Date:  7 [July] 1869
Classmark:  Athenæum, 17 July 1869, p. 82
Letter no:  DCP-LETT-6820
Document type
letter (2)
Author
Addressee
Correspondent
Athenæum[X]
Darwin, C. R.[X]
Date
1869
06 (1)
07 (1)
letter