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Darwin, C. R. in correspondent 
Weir, J. J. in correspondent 
1870-1879::1870::06 in date 
Darwin, C. R. in addressee 
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From:
John Jenner Weir
To:
Charles Robert Darwin
Date:
27 June 1870
Source of text:
DAR 181: 82
Summary:

On behaviour of birds when frightened and when threatening.

Purple Cytisus grafted onto yellow stock produces some yellow flowers.

Mutations in rabbits.

Cites case of variegated leaf form of one plant apparently spreading to a neighbour.

Contributor:
Darwin Correspondence Project