Showing 1–9 of 9 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.
Gives the results of crossing experiments; some interesting and curious facts.
Discusses poultry crosses, "what a hopelessly difficult subject is that of inheritance!" Gives details of some pigeon crosses he made; cannot positively recall which produced the blue bird.
Sends queries for "Fanciers"
and asks about the mating of the queen bee.
Gives references to experiments on cowslip for W. H. Harvey.
Suggests possible sources of error in results. Feels evidence is overwhelming that cowslip and primrose are varieties.
Has received laudatory verses on the Origin from some botanist; suspects Francis Boott.
Asks whether crossing breeds of hive-bees is advantageous
and whether different pigeon breeds have different incubation periods.
Explains and apologises for the lack of detailed quotations in Origin.
Thanks for information on pigeon hatching
and on drones.
Believes occasional crosses indispensable.
Regrets he has nothing that he could contribute to the Field and cannot spare the time to work out anything on bees’ cells.
Thanks for information on cave rat.
CD is obliged for news of J. D. Dana’s recovery.
Will use BS’s information about cave rat in revised [3d] edition of Origin.
Sends copy of Origin.
Discusses stripes on hybrid of donkey and wild ass.
Will let ADB know if lady consents to sending rabbits to [Zoological] Gardens.
Asks about gestation of Canidae.