Search: Darwin, C. R. in addressee 
Darwin, Horace in author 
1880-1889::1880::09 in date 
Sorted by:

Showing 12 of 2 items

From:
Horace Darwin
To:
Charles Robert Darwin
Date:
4 Sept 1880
Source of text:
DAR 64.1: 34–5
Summary:

Observations on earthworms.

Contributor:
Darwin Correspondence Project
From:
Horace Darwin
To:
Charles Robert Darwin
Date:
9 and 12 Sept 1880
Source of text:
DAR 64.1: 36–7
Summary:

Reports evidence of earthworm activity.

Contributor:
Darwin Correspondence Project