Search: Charles Darwin in collection 
Shaw, Robert in correspondent 
1870-1879::1876::12::16 in date 
letter in document-type 
Darwin, C. R. in correspondent 
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From:
Robert James (Robert) Shaw
To:
Charles Robert Darwin
Date:
16 Dec 1876
Source of text:
DAR 177: 155
Summary:

Discusses further his theory relating to the soaring capacity of birds.

Mentions hybrids produced by various crossings of game-birds.

Contributor:
Darwin Correspondence Project