Showing 1–6 of 6 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 GGS for calculation [to determine the chances of the same peculiarity recurring in a family, see Variation 2: 5]
Thanks for congratulations on Francis Darwin’s success in the tripos examinations at the university of Cambridge.
The king of Prussia has awarded him the order Pour le Mérite für Wissenschaften und Künste.
Wants to know how the colour of the eye of the peacock’s tail is produced, whether it depends upon colouring matter in the feathers or reflection, and whether any varying structural change will account for the series of colours surrounding it.
Thanks GGS for information on the peacock’s feathers. Asks whether the colour zones around the "eye" could result from varying the thickness of the film of colouring matter or whether it would require different kinds of colouring matter.
Sends GGS examples of feathers from an albino peacock and repeats his query about the zones of colour [see 5950].
On the play of colours in the peacock’s tail.
