From:
Lawrence Ruck
To:
Charles Robert Darwin
Date:
[after 29 Apr 1869?]
Source of text:
DAR 88: 134–5
Summary:
On the horns of castrated lambs.
Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Lawrence Ruck
Date:
10 Jan 1881
Source of text:
M. G. Hamer (private collection)
Summary:
Asks whether sheep and cattle grazing on a steep slope move across the slope horizontally or ascend it.
Contributor:
Darwin Correspondence Project
From:
Lawrence Ruck
To:
Charles Robert Darwin
Date:
12 Jan [1881]
Source of text:
DAR 176: 224
Summary:
Discusses the grazing habits of sheep and cattle on steep hillsides.
Contributor:
Darwin Correspondence Project