Pairing habits of birds: polygamy among ducks and canaries.
Information on the proportion of sexes in fowls and other birds.
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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.
Pairing habits of birds: polygamy among ducks and canaries.
Information on the proportion of sexes in fowls and other birds.
Congratulates [G. H. Darwin] on being Second Wrangler.
Thanks CD for Variation.
Regrets he cannot get to Down.
Thanks CD for a recent letter.
Reports on his health, which has been bad for 12 months.
Sends extracts of works on domestication.
Discusses the pairing of various birds; comments on the pugnacity of partridges, pheasants, male guinea-fowl, and peacocks.
Gives proportions of sexes in pheasants.
Hybrid geese.
Proportions of sexes in sheep and cattle.
Pairing habits of crows.