From:
George Biddell Airy
To:
Sir John Herschel
Date:
[16 October 1868]
Source of text:
RS:HS 1.312
Summary:
Further regarding the theory of sound.
Contributor:
John Herschel Project
From:
George Henry Kendrick Thwaites
To:
Charles Robert Darwin
Date:
16 Oct 1868
Source of text:
DAR 178: 125
Summary:
On local black-boned fowls,
CD’s new book [Variation], and Pangenesis.
Contributor:
Darwin Correspondence Project
From:
George Robert Crotch
To:
Charles Robert Darwin
Date:
[after 16 Oct 1868]
Source of text:
DAR 81: 124
Summary:
Lists stridulating organs of various Coleoptera.
Contributor:
Darwin Correspondence Project
From:
Francis Darwin
To:
Emma Wedgwood; Emma Darwin
Date:
[after 16 Oct 1868]
Source of text:
DAR 82: A96–7
Summary:
Has been working with G. R. Crotch on stridulation. The sexual theory seems very shaky.
Is sending preparations of beetles.
Contributor:
Darwin Correspondence Project
