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DCP-LETT-5909

From:
Henry Walter Bates
To:
Charles Robert Darwin
Date:
21 Feb 1868
Source of text:
DAR 82: A32–3
Summary:

Comments on J. O. Westwood’s entomological nomenclature.

Discusses the organs for stridulation in Orthoptera [see Descent 1: 352ff].

Contributor:
Darwin Correspondence Project
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FL-0354

From:
Galton, E. S.
To:
Darwin, Emma
Date:
21 February 1868
Source of text:
DAR 210.14: 4
Summary:

No summary available.

Contributor:
Darwin Family Letters

DCP-LETT-5408

From:
Charles Robert Darwin
To:
Thomas Henry Huxley
Date:
21 Feb [1868]
Source of text:
Imperial College of Science, Technology and Medicine Archives (Huxley 5: 260)
Summary:

THH’s offer to read proof of essay on man encourages CD to write with satisfaction instead of a vague dread.

Begs Mrs Huxley not to forget corrugator supercilii in a crying child.

Contributor:
Darwin Correspondence Project

DCP-LETT-5910

From:
Robert McLachlan
To:
Charles Robert Darwin
Date:
21 Feb 1868
Source of text:
DAR 86: A8–9, DAR 82: A88–9
Summary:

On numerical proportions of sexes in insects; coloration. Dimorphism in dragonflies (Agrion) in which usual coloration is reversed in sexes [see Descent 1: 362–4].

Wallace seems to ride his hobby too hard.

Contributor:
Darwin Correspondence Project

RS-MM-001447

From:
Edward Sabine
To:
William Sharpey
Date:
21 February [1868]
Source of text:
MM/19/44, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

Herschel2600

From:
Sir John Herschel
To:
William Selwyn
Date:
[21 February 1868]
Source of text:
RS:HS 24.212
Summary:

Discusses the sudden motion of some sunspots. Does not think planetary action is a very probable cause. Discusses upcoming conjunction of Venus and Jupiter.

Contributor:
John Herschel Project

DCP-LETT-5907

From:
Charles Robert Darwin
To:
Henry Tibbats Stainton
Date:
21 Feb [1868]
Source of text:
Natural History Museum, Library and Archives (General Special Collections MSS DAR 21)
Summary:

Discusses factors possibly influencing the sex of caterpillars. Is gathering information on sex ratios in insects and would welcome any cases in which males seem to outnumber females.

Contributor:
Darwin Correspondence Project

DCP-LETT-5906

From:
Charles Robert Darwin
To:
William Bernhard Tegetmeier
Date:
21 Feb [1868]
Source of text:
Archives of the New York Botanical Garden (Charles Finney Cox Collection)
Summary:

Thanks WBT for tabulation of sex ratios in racehorses.

Contributor:
Darwin Correspondence Project

DCP-LETT-5908

From:
Charles Robert Darwin
To:
Roland Trimen
Date:
21 Feb [1868]
Source of text:
Royal Entomological Society (Trimen papers, box 21: 65)
Summary:

RT’s argument about the Lasiocampa strikes him as very good; asks for any similar cases. Wonders whether male butterflies may serve more than one female.

Contributor:
Darwin Correspondence Project
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