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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.
Gives some observations on orchids and on some plants which seem to be dichogamous.
Data on good and bad pollen-grain yields of different species. Sends sketches of two male Rhamnus catharticus flowers [see Forms of flowers, p. 294].
Assures CD of his belief in descent from his first reading of Origin.
Describes a case of dichogamy.
Discusses dimorphism of Oxalis; one form has 99% sterile anthers. Has found three kinds of fertile anthers.
Sends his observations on sterility of Eschscholzia,
on Oxalis,
and on recently found dimorphic plants.
Sends specimen of Hedyotis [see Forms of flowers, p. 133].
Instructions on paying a bill.
Would much like to see Dr Birchfield appointed superintendent of the new asylum at Woking.
Observations on a bird that used a stone to break open a snail.
Reports of a tooth found in the testicle of a horse.
Hares are very fleet in countries in which greyhound coursing is developed, slow in those in which no greyhounds are kept.
Describes the floral structure of broom, particularly the form of the varying anthers. Encloses drawings of anthers and pollen.
Wants to publish his observation on colour changes in Matthiola seeds.
Has been crossing cotton.
Approves of C. V. Naudin and Max Wichura.
Asks GHD what the chances are against squinting and non-squinting children coming alternately in a family of ten.
Ovules of males of two forms [of Rhamnus catharticus?] are abortive and both females have incomplete stamens.
Requests that correspondent take some action regarding the state of horses on his farm. Robert Ainslie of Tromer Lodge, Down, was fined in 1852 following CD’s complaints.
Gives CD some references to papers.
Reports improvement in his wife’s health.
Lyell calculates enviously that CD can do more work than any of the philosophers.
Has a small living at Norton Canon.
Will visit Charles Whitley next week.
A report on his somewhat improved health.
Comments on CD’s health.
Discusses origin of life and differentiation of principal classes of plants and animals.
Discusses Generelle Morphologie and its chapter on embryological development.
His lectures on CD’s theory.
Asks CD for larger portrait of himself and for several copies of the small photograph. Will send photographs of German scientists in exchange.
Has made observations on bees’ cells. Their dimensions are not constant, nor do single bees make single cells; each one is a result of co-operation.