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Agassiz, Louis in addressee 
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From:
Charles Robert Darwin
To:
Jean Louis Rodolphe (Louis) Agassiz
Date:
12 Apr 1864
Source of text:
Houghton Library, Harvard University (MS Am 1419: 277)
Summary:

Thanks LA for Methods of study [1863].

Is gratified that he has not taken a personal dislike to CD, though he is strongly opposed to nearly everything CD has written.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Jean Louis Rodolphe (Louis) Agassiz
Date:
19 Aug 1868
Source of text:
Houghton Library, Harvard University (MS Am 1419: 278)
Summary:

Thanks LA for information on sexual differences in the coloration of Amazonian fish. CD was anxious to know how the sexes differed because they are unusual in that the male has the largest share in looking after ova and young.

Contributor:
Darwin Correspondence Project