Thanks WBT for tabulation of sex ratios in racehorses.
Showing 81–100 of 106 items
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.
Thanks WBT for tabulation of sex ratios in racehorses.
Eight-year record of sexes of chickens.
Would like to meet with WBT while in London.
On proportion of sexes in birds.
For experiment on effect of male beauty, pigeons should be coloured on the breast.
Likes WBT’s review [of Variation] in the Field [31 (1868): 309, 350].
Awaits remarks on coloured pigeons and proportion of sexes.
Inquires about the colour of first plumage of poultry breeds and development of distinguishing features.
Inquires about plumage of poultry breeds.
Describes change of plumage in chickens in order to be sure he is clear about the age of chickens on which CD wants information. Encloses feathers to illustrate changes.
Did not know of complex change of plumage. From WBT’s letter, CD thinks six weeks to two months old is the best period. Sends details of breeds and other particulars.
Would like information on the first plumage of poultry.
Asks about the differences in colour of plumage of adult male, female, and young birds. Suggests pile game as subject.
Asks about relative proportion of sexes in ducks and fowls.
Information on proportion of sexes born in sheep.
Repeats request for information on colours of plumage of poultry breeds and asks for WBT’s facts on proportions of sexes.
Inquires about colour and development of plumage of poultry breeds. Is endeavouring to trace sexual differences throughout the animal kingdom.
Wants information on plumage of chickens
and table of sex ratios in greyhounds.
Numerical proportion of males to females in greyhound puppies.
Thanks for greyhound table; interested in transmission of colour in greyhounds and relationship to sex.
Forwards a basket of eggs of pile game fowl.
Thanks for procuring eggs.
CD’s health has necessitated his leaving home.