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From Harrison Weir   28 March 1868

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Summary

Recognition of colour by animals.

Author:  Harrison William Weir
Addressee:  Charles Robert Darwin
Date:  28 Mar 1868
Classmark:  DAR 84.1: 86–7
Letter no:  DCP-LETT-6066

From Harrison William Weir   23 March 1869

Summary

Proportion of sexes in pigeons, pigs, and pheasants.

Sexual preferences of females.

Author:  Harrison William Weir
Addressee:  Charles Robert Darwin
Date:  23 Mar 1869
Classmark:  DAR 86: C10, DAR 84.1: 118
Letter no:  DCP-LETT-6680

From Harrison William Weir   7 May 1869

Summary

Daisies.

A tame rabbit with a litter of 18.

Author:  Harrison William Weir
Addressee:  Charles Robert Darwin
Date:  7 May 1869
Classmark:  DAR 181: 71
Letter no:  DCP-LETT-6733

From Harrison Weir   28 March 1871

Summary

Effects of first impregnation on litters from subsequent pregnancies.

Power of selective breeding to produce different varieties.

Author:  Harrison William Weir
Addressee:  Charles Robert Darwin
Date:  28 Mar 1871
Classmark:  DAR 181: 72
Letter no:  DCP-LETT-7633
Document type
letter (4)
Author
Addressee
Darwin, C. R.[X]
Correspondent
Darwin, C. R.[X]
Weir, H. W.[X]
Date
1868 (1)
1869 (2)
1871 (1)
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