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From Ponderer to the Athenæum [before 5 June 1869]
Summary
Inquires how CD arrived at the conclusion that fifteen million elephants could be produced from a single pair in five centuries [Origin, 5th ed., p. 74].
| Author: | Ponderer |
| Addressee: | Athenæum |
| Date: | [before 5 June 1869] |
| Classmark: | Athenæum, 5 June 1869, p. 772 |
| Letter no: | DCP-LETT-6775F |
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 |
From Edward Lacy Garbett to the Athenæum 29 June 1869
Summary
Calculations relating to the problem of the increase of elephants (see 6787).
| Author: | Edward Lacy Garbett |
| Addressee: | Athenæum |
| Date: | 29 June 1869 |
| Classmark: | Athenæum, 3 July 1869, pp. 18–19 |
| Letter no: | DCP-LETT-6806F |
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 |
From E. L. Garbett to the Athenæum 19 July 1869
Summary
More on the problem of the increase of elephants (see 6806f and 6820).
| Author: | Edward Lacy Garbett |
| Addressee: | Athenæum |
| Date: | 19 July 1869 |
| Classmark: | Athenæum, 24 July 1869, p. 115 |
| Letter no: | DCP-LETT-6836F |
Author
| Darwin, C. R. | (2) |
| Garbett, E. L. | (2) |
| Ponderer | (1) |
Correspondent
| Athenæum | (5) |
| Darwin, C. R. | (2) |
| Garbett, E. L. | (2) |
| Ponderer | (1) |
