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1870-1879::1871::06::01 in date 
Darwin, C. R. in addressee 
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From:
Alexander Agassiz
To:
Charles Robert Darwin
Date:
[before 1 June 1871]
Source of text:
DAR 69: A43–6 DAR 89: 29–31
Summary:

Instances of sexual differences in viviparous fishes, suggested by reading chapters on sexual selection [in Descent] and by Mivart’s Genesis of species.

Notes on echinoderms.

Contributor:
Darwin Correspondence Project
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From:
Hugh Browne
To:
Charles Robert Darwin
Date:
June 1871
Source of text:
DAR 160: 330
Summary:

Believes his letter of 17 Apr bears also on vol. 1 of Descent.

Ability to move ears is common in his family.

Similarity of foot of man to that of gorilla continues beyond foetal stage.

Invites CD to stay overnight if visiting the area.

Contributor:
Darwin Correspondence Project
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From:
Thomas Bradfield
To:
Charles Robert Darwin
Date:
1 June 1871
Source of text:
DAR 89: 181–2
Summary:

Instance of a dog able to discriminate a note played out of tune. [See Descent, 2d ed., p. 569.]

Contributor:
Darwin Correspondence Project
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