Discusses the colouring of the young of various breeds of rabbit.
Observations on results of various poultry crosses and on a character which is linked to sex.
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The Charles Darwin Collection
The Darwin Correspondence Project is publishing letters written by and to the naturalist Charles Darwin (1809–1882). Complete transcripts of letters are being made available through the Project’s website (www.darwinproject.ac.uk) after publication in the ongoing print edition of The Correspondence of Charles Darwin (Cambridge University Press 1985–). Metadata and summaries of all known letters (c. 15,000) appear in Ɛpsilon, and the full texts of available letters can also be searched, with links to the full texts.
Discusses the colouring of the young of various breeds of rabbit.
Observations on results of various poultry crosses and on a character which is linked to sex.
Believes, contrary to CD, that when anthers arise from petals the development of the pollen is affected by the amputation of the petal.
Believes interbreeding can be used to combine desirable characters, but that, carried beyond narrow limits, it leads to deterioration of the breed.
Has been experimenting on crossing polyanthus.
Encloses plants derived from a cowslip–polyanthus cross.
Observations that confirm CD’s deduction that half-bred Persian cats are fruitful one with another. Relates case of Persian characters reappearing in the offspring of a common cat which was the descendant of a half-bred Persian.