From:
John Edward Gray
To:
Charles Robert Darwin
Date:
7 Apr 1871
Source of text:
DAR 88: 98
Summary:
Sexual differences in coloration in Lemur macaco.
Contributor:
Darwin Correspondence Project
From:
Hermanus Hartogh Heijs van Zouteveen
To:
Charles Robert Darwin
Date:
7 Apr 1871
Source of text:
DAR 88: 99
Summary:
On some errata in Descent.
Sends extracts from a statistical study giving proportion of sexes in [population of] Netherlands.
Contributor:
Darwin Correspondence Project