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Darwin, C. R. in correspondent 
Weir, J. J. in correspondent 
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DCP-LETT-7231

From:
Charles Robert Darwin
To:
John Jenner Weir
Date:
14 June [1870]
Source of text:
University of Redlands, Armacost Library
Summary:

Asks about birds erecting feathers when enraged or frightened. Interested in examples of expression in birds and animals.

Tells of the sheldrake dancing on tidal sands to make worms come out.

Contributor:
Darwin Correspondence Project

DCP-LETT-7247

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

DCP-LETT-7253

From:
Charles Robert Darwin
To:
John Jenner Weir
Date:
29 June [1870]
Source of text:
DAR 148: 327
Summary:

On birds erecting feathers.

Comments on production of buds in Cytisus.

Discusses case of rabbit-breeding which affected subsequent progeny of female.

Contributor:
Darwin Correspondence Project
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