Proportion of sexes in chaffinches.
Pugnacity of blackbirds and robins.
Harrison Weir reports up to nine eggs in starling nests.
Newspaper report of a sheep born with its owner’s brand.
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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.
Proportion of sexes in chaffinches.
Pugnacity of blackbirds and robins.
Harrison Weir reports up to nine eggs in starling nests.
Newspaper report of a sheep born with its owner’s brand.
Otto Staudinger’s catalogue shows prices of female Lepidoptera to be higher than those of males.
Discusses apes and their relationships to each other. Writes particularly of the gibbon, its structure and well-developed legs giving it the ability to walk without using its hands.
Discusses the human foot and its abnormalities; notes an example of syndactylism.
Gives his observations on sexual differences in coloration of terns and ostriches.
Describes a curious litter of rabbits.
Pairing of rooks, courtship of golden pheasant.
Behaviour of finch hybrids.
Seasonal coloration of birds; bright plumage results from sexual selection.
Langstaff has seen no trace of blushing on the body.
Action of facial muscles at onset of crying.
Langstaff has never seen the platysma act, and he believes it to be rudimentary in humans.
Sends expanded answers [to Queries about expression], in view of CD’s statement that his first list had not been sufficiently explanatory. Is pleased that some answers confirmed CD’s views [see Expression, passim].
Asks for precise reference in Charles Bell to subject of CD’s question. Agrees to assist CD’s investigation. Asks about Bell’s observations on eyes engorged with blood. Has noticed that eyes of children with excessive photophobia tend to be pale when forced open.
Has circulated CD’s Queries about expression and gives some of his observations of the natives.
On the changes in plumage of scarlet ibis at the zoo in breeding season.
Finds important differences between English and German versions of Variation on graft-hybrids.
Experiments and observations on submerged flowers.
Thanks for Variation.
CD must be happy about the tendency toward acceptance of his views, though it is regrettable that France is backward in this regard.
His own work goes slowly, but he still hopes his work on artificially produced monstrosities will help to answer the question of the origin of species.
Discusses how they might enquire about any provisions in the laws of partnership concerning lunacy.
MTM did not write Gardeners’ Chronicle review of Variation [(1868): 184].
Encloses letters supporting a project [Botanical Congress?] to promote horticulture, and hopes CD will reconsider giving his support.
George Rolleston’s son was born with a scar on his knee exactly where GR cut himself with a knife years before his marriage. Gives several other examples of inherited mutilation.
Sends Salmon Fisheries Report. Asks for CD’s opinion on his "close season" chapter.
Gives details of some points that occurred to him while reading Variation, including observations on horses, cattle, silkworms, and hereditary baldness and disease.
Has asked gentlemen who administer chloroform to make observations [on expression?] for CD.