Search: Darwin, C. R. in author 
1860-1869::1868::02::21 in date 
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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-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-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-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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