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1860-1869::1862 in date 
Darwin, C. R. in correspondent 
Swinhoe, Robert in correspondent 
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From:
Robert Swinhoe
To:
Charles Robert Darwin
Date:
12 Nov 1862
Source of text:
DAR 177: 326
Summary:

Sends CD a specimen of the domestic pigeon of China.

Discusses a race of ducks he believes are hybrids between the Muscovy and Chinese domestic duck.

Contributor:
Darwin Correspondence Project
From:
Robert Swinhoe
To:
Charles Robert Darwin
Date:
2 Dec 1862
Source of text:
DAR 177: 327
Summary:

Sends CD a Chinese breed of guinea-pig. Has heard it claimed that the domestic guinea-pig will not interbreed with the wild rock cavy and that, therefore, artificial selection has formed a new species.

Contributor:
Darwin Correspondence Project