Sends answers to CD’s queries on expression.
Showing 1–20 of 38 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.
Sends answers to CD’s queries on expression.
Discussion of mimicry and sexual selection among butterflies, occasioned by reading Descent.
Gives examples of animal species in which adult males castrate or kill younger males.
Instances of sexual differences in viviparous fishes, suggested by reading chapters on sexual selection [in Descent] and by Mivart’s Genesis of species.
Notes on echinoderms.
Believes his letter of 17 Apr bears also on vol. 1 of Descent.
Ability to move ears is common in his family.
Similarity of foot of man to that of gorilla continues beyond foetal stage.
Invites CD to stay overnight if visiting the area.
Observations on expression of her dog for CD.
Further observations on expression of her dog.
At Wallace’s suggestion he offers CD his observations on the seed-gathering habits of ants. Suggests their role in seed dispersal.
At work on the last part of his book [Contributions to the flora of Mentone (1867–71)].
Has found that Ophrys insectifera can reproduce asexually.
Discusses his position at Cambridge, which is apparently under threat.
Discusses homologies in various animal groups.
Comments on Mivart [Genesis of species].
Instance of a dog able to discriminate a note played out of tune. [See Descent, 2d ed., p. 569.]
Facts contradicting Wallace’s views on coloration of Lepidoptera.
Observations on habits of caribou and deer in Newfoundland.
Suggests nightingale egg coloration evolved from white to olive for protection.
On Down parish matters.
Follows up CD’s observation of 13 May 1871, of a New Forest pony shedding its winter coat.
Various observations from his experience in Africa relevant to Descent.
Fertility of hybrids of blacks and whites.
Protective coloration of Sahara animals.
Natives’ ideas of female beauty.
Thanks for FD’s help. CD cannot conceive what Mivart means by "the identity between eyes of Cephalopods and Vertebrata".
Has invited Michael Foster to Down.
Discusses the origin and advantages of sexual differentiation in terms of division of labour.
Discusses the origin of the giraffe’s neck and the unsoundness of St G. J. Mivart’s view with respect to it.
Points out an error in Descent.
Argues that coloration of eggs is a protective adaptation.
Will call tomorrow.