Showing 1–20 of 48 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.
"My health got so bad I could do nothing at Down".
Gives information about migration of male and female birds.
Thanks for [July 1869] issue of Quarterly Review.
Comments on 5th edition of the Origin [1869];
preparation of second edition of Natürliche Schöpfungsgeschichte [1870].
The reception of CD’s theory. Mentions support of Pieter Harting and Michael Sars.
EH’s research on calcareous sponges and plans to publish monograph on them.
Asks for reference to Louis Agassiz’s views on embryos indicating ancestral structures.
Observations on expression and colour of beard and hair in natives of India.
Thanks for procuring eggs.
CD’s health has necessitated his leaving home.
Information about sexes of sheep at time of castration. Mortality of male lambs higher than that of females.
Observations on flies visiting Epipactis.
Introduces his son Alexander; believes CD will find him "more tractable" on certain questions than LA himself is.
Responds to questions about sex ratios at birth and mortality in either sheep or cattle before eighteen months.
Because readers have arrived at different answers to the problem of the rate of increase of elephants, CD offers a rule, used by his son George, for calculating the product for any number of generations.
[Letter erroneously dated June.]
Thanks him for his excellent observations [on Epipactis?]; would like WED to watch for some large insect visiting the plant.
Comments on WO’s paper on Salvia [Pop. Sci. Rev. 8 (1869): 261–73], which he admires.
WO very gratified by CD’s complimentary remarks on his Salvia article.
Simeon Habel of New York has returned from Galapagos. CD has asked him to send any plants to JDH.
Reading Nägeli convinces him that it is all-important to learn all about polymorphic or protean genera for the "Laws of Variability".
New Zealand genera are interesting and have perplexed him for years.
Has read paper on snakes. Thinks it is not fascination but fear that makes the victim fall into snake’s power.
Asks for a testimonial.
Haeckel wants British specimens of calcareous sponges. Can THH tell him to whom he can apply?
Health not improving – cannot climb even a hill.
Has heard THH’s article on Comte ["Scientific aspects of Positivism", Lay sermons (1870)] is a splendid success.
Drosophyllum lusitanicum.
Believes principle of natural selection can be more widely applied.
Flower structure of Geranium.
Bees visiting Epipactis.
Would be glad to send GRG a testimonial of his abilities as a naturalist, but is not qualified to express opinion on his works in ornithology or entomology.
