Search: letter in document-type 
Darwin, G. H. in correspondent 
1870-1879::1874::02 in date 
Sorted by:

Showing 12 of 2 items

From:
George Howard Darwin
To:
Charles Robert Darwin
Date:
6 Feb 1874
Source of text:
DAR 210.2: 33
Summary:

Finds statistical evidence that cousin marriages are at least three times as frequent in "our rank" as in the lower.

Contributor:
Darwin Correspondence Project
thumbnail
Text Online
From:
Farrer, K. E.
To:
Darwin, G. H.
Date:
20 February [1874–7]
Source of text:
DAR 258: 1538
Summary:

No summary available.

Contributor:
Darwin Family Letters