Search: Charles Darwin in collection 
1860-1869::1860::09::28 in date 
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From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
28 [Sept 1860]
Source of text:
American Philosophical Society (Mss.B.D25.229)
Summary:

Discusses extinction of ammonites.

Discusses August Krohn’s cirripede research and Krohn’s correction of his own work.

Discusses origin of dog in connection with origin of man.

Comments on the guinea-pig in South America.

Notes K. E. von Baer’s view of species.

Mentions difficulty of crossing rabbit and hare.

Agrees with Hooker’s views on variation under cultivation and in nature.

Regrets use of term "natural selection", would now use "Natural Preservation".

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Stevens Henslow
Date:
28 [Sept 1860]
Source of text:
DAR 93: A76–8
Summary:

Has been observing Drosera. Asks JSH whether a curious motion in the red fluid poured out from the viscid hairs is a known or common phenomenon. It surprised him, but he is "so ignorant of vegetable physiology".

Contributor:
Darwin Correspondence Project
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