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Nicols, Arthur in correspondent 
1870-1879::1875::12 in date 
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From:
Robert Arthur (Arthur) Nicols
To:
Charles Robert Darwin
Date:
8 Dec 1875
Source of text:
DAR 172: 64
Summary:

He will repeat his experiments on the cat’s sense of smell.

The intelligence of rats is shown by their gnawing through lead pipes to find water.

Contributor:
Darwin Correspondence Project