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Darwin, C. R. in correspondent 
1860-1869::1868::02::29 in date 
letter in document-type 
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From:
William Sedgwick
To:
Charles Robert Darwin
Date:
29 Feb 1868
Source of text:
DAR 177: 127
Summary:

Sends extracts giving details of the case of age-limited, hereditary blindness [see Variation 2: 78].

Recounts some cases of reversion that he has encountered.

Contributor:
Darwin Correspondence Project
From:
Henry Tibbats Stainton
To:
Charles Robert Darwin
Date:
29 Feb 1868
Source of text:
DAR 85: B52-3; DAR 86: A16;
Summary:

Replies to CD on proportion of sexes in butterflies, coloration of moths, and courtship. Encloses copies of letters on these subjects between HTS, Henry Doubleday, and John Hellins.

Contributor:
Darwin Correspondence Project