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Darwin, C. R. in correspondent 
Gloeden, [–] von in correspondent 
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From:
[–] von Gloeden
To:
Charles Robert Darwin
Date:
1 July 1872
Source of text:
DAR 165: 57
Summary:

Comments on Descent.

Attempts to explain differing sex ratios in births from illegitimate unions, Jewish marriages, and Christian marriages.

Speculates on role of male and female elements in conception.

Thinks survival of individual conflicts in some degree with survival of species; for example, hybrids often live longer than fertile individuals.

Contributor:
Darwin Correspondence Project
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