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Darwin Correspondence Project

DCP-LETT-6058

To A. R. Wallace   27 March [1868]1

4 Chester Place | R. Park. N.W | Until April 1st.

March 27th

My dear Wallace

My son has failed in your problem & says that it is “excessively difficult”: he says you will find something about it in Thompson & Tait Nat Philos (Art. 649).2 He has, however sent the solution, if the plate rested on a square rim, but he supposes this will not answer your purpose; nevertheless I have forwarded it by this same post.— It seems that the rim being round makes the problem much more difficult.—

I enclose my photograph, which I have received from Down.3

I sent your answer to George on his objections to your argument on sterility but have not yet heard from him.—4 I dread beginning to think over this fearful problem, which I believe beats the plate on the circular rim; but I will sometime. I foresee, however, that there are so many doubtful points, that we shall never agree.

As far as a glance serves it seems to me, perhaps falsely, that you sometimes argue that hybrids have an advantage from greater vigour, & sometimes a disadvantage from not being so well fitted to their conditions.— Heaven protect my stomach whenever I attempt following your argument.—

Your’s most sincerely | C. Darwin

Footnotes

1
The year is established by the relationship between this letter and the letter from A. R. Wallace, 19 March 1868.
2
CD refers to George Howard Darwin. See letter from G. H. Darwin, [27] March [1868] and n. 4.
3
See letter to A. R. Wallace 17 [March 1868] and n. 7.
4
For George’s critique of Wallace’s argument that hybrid sterility could result from natural selection, see the enclosure to the letter to A. R. Wallace, [21 March 1868]. For Wallace’s reply to George’s comments, see the letter from A. R. Wallace, 24 March [1868].

Summary

There are so many doubtful points on the problems relating to sterility that they will never agree.

Letter details

Letter no.
DCP-LETT-6058
From
Darwin, C. R.
To
Wallace, A. R.
Sent from
London, Chester Place, 4
Source of text
British Library (Add 46434: 123–4)
Physical description
4pp

Please cite as

Darwin Correspondence Project, “Letter no. 6058,” accessed on 26 July 2016, http://www.darwinproject.ac.uk/DCP-LETT-6058

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