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Darwin Correspondence Project

DCP-LETT-5459

From John Lubbock   25 March 1867

25 Mar. 67

My dear Mr. Darwin

I do not know whether you have read McLennans “Primitive marriage”.1

He refers the curious practise of Exogamy to the prevalence among certain tribes of female infanticide.

I should have thought that the objection to marriage between near relations might have had much to do with it.2

Can you tell me whether we have any evidence that any animals have an instinctive repugnance to breeding in sin.

Believe me always | Very sincerely | Yours | John Lubbock

C Darwin Esq

Footnotes

1
The reference is to John Ferguson McLennan’s Primitive marriage: an inquiry into the origin of the form of capture in marriage ceremonies (McLennan 1865).
2
The terms exogamy (the custom of marrying outside a clan or group) and endogamy (the custom of marrying within a clan or group) were coined by McLennan (OED; see McLennan 1865, pp. 48–9, 53). McLennan surmised that female infanticide resulted in a shortage of women in a tribe, and the consequent need to capture women for marriage from other groups (McLennan 1865, pp. 138–41). For Lubbock’s later discussion of exogamy and endogamy, see Lubbock 1870, pp. 92–113.

Summary

Discusses the practice of exogamy; asks if any animals have an instinctive repugnance to inbreeding.

Letter details

Letter no.
DCP-LETT-5459
From
Lubbock, John
To
Darwin, C. R.
Sent from
unstated
Source of text
DAR 170: 56
Physical description
3pp

Please cite as

Darwin Correspondence Project, “Letter no. 5459,” accessed on 25 September 2016, http://www.darwinproject.ac.uk/DCP-LETT-5459

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