Search: 1860-1869::1869::06::20 in date 
No in transcription-available 
Sorted by:

Showing 11 of 1 item

From:
George Cupples
To:
Charles Robert Darwin
Date:
20 June 1869
Source of text:
DAR 86: 58–9
Summary:

On proportion of sexes in litters of dogs.

Contributor:
Darwin Correspondence Project
thumbnail