Gives examples of animal species in which adult males castrate or kill younger males.
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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 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.
Thanks for his election to the Austrian Imperial Academy.
Is sorry ES has suffered in health.
Thanks for the fact about the dog.
Discusses homologies in various animal groups.
Comments on Mivart [Genesis of species].
Comments on CVR’s book [Third annual report on the noxious, beneficial, and other insects of the State of Missouri (1871)].
Discusses mimetic insects.
Instance of a dog able to discriminate a note played out of tune. [See Descent, 2d ed., p. 569.]
Thanks VOK for sending F. Körte’s book [Die Streich-, Zug- oder Wander-Heuschrecke (1828)]. The passage CD wrote about [see 7735] must occur in the second edition. If VOK ever comes upon the 1829 edition, it would be of use to him.
Agrees that the Versailles army has been savagely brutal [in siege of Paris], but thinks the "Communists [Communards] have made themselves everlastingly infamous".
Facts contradicting Wallace’s views on coloration of Lepidoptera.
Is disappointed at high price, 7s 6d, being considered for the cheap edition of the Origin [6th ed.]. Has been told that, in Lancashire, workmen club together to buy the Origin.
Little chance that Expression will be done this autumn.
Acknowledges sum of £266 11s. 9d.
Observations on habits of caribou and deer in Newfoundland.
Suggests nightingale egg coloration evolved from white to olive for protection.
Sends answers to CD’s queries on expression.
On Down parish matters.
Follows up CD’s observation of 13 May 1871, of a New Forest pony shedding its winter coat.