Inquires about the effect of turf covering on the rate of disintegration of rock.
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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.
Inquires about the effect of turf covering on the rate of disintegration of rock.
Asks for some pamphlets, the titles of which have been sent to him by Dr Spengel [see 8053].
Horns of castrated merino rams remain almost undeveloped.
The horns of castrated male lambs compared with horns of ewes. [See Descent, 2d ed., p. 506.]
Sends CD a German pamphlet, "War Goethe ein Darwinianer?"
Asks that the rabbits CD has kept be sent to him; will continue [transfusion] experiments on rats, but using larger [surgical] connection.
Sends back proofs. Praises CD for calm treatment of Mivart. Looks at duck’s mouth. Asks whether CD has seen Snow’s article in the Spectator.
Effect of turf covering on the disintegration of rocks. Weathering of rock; relative importance of different agents with different rocks.
Will send FD’s work [Studi sopra un lignaggio anemofilo delle composte (1871)] to Nature for review.
CD’s health has been poor all summer – he doubts that he will ever "have the strength to publish on Variability under a state of Nature".
Hopes to publish on cross- and self-fertilisation next summer.
Encloses his photo and asks for FD’s.
Reports how his sons enjoyed their trip to America.
Is glad SRSN is settled in Dresden.
Thanks for information on platycnemic tibiae found in America. Believes the condition is of two kinds as exemplified by Gibraltar and Cro-Magnon tibiae on one side and the Welsh form on the other. Would like to know which of the two forms the American bones are; their proportions suggest they are very like the Welsh tibiae.
Going to Down to see the "most curious" results.
Offers to provide information on the habits of the animals of northern New York and Canada.
Thanks HL for his kind note, the interesting notice, & the photograph.
He has made a mistake about the Lepas. It is the L. australis that is confined to the S. Hemisphere. L. hillii is found all over the world. Refers HL to Living Cirripedia [1851].
CD is considering repeating experiments on melastomads in which different pollen sizes produced differing seedling sizes.
Responds to JDH’s query on differences in pollen within the same species.
Thanks CD for copies of the Origin and Cirripedia;
sends his latest publication in return [Beiträge zur Parthenogenesis der Arthropoden (1871)]. Discusses his work on parthenogenesis which, he believes, is a case of atavism.
Discussed observations made in 1863 of Impatiens pollen and humble-bees.
Displays in turkeys.
CD is "more than pleased" by what R. B. Litchfield said of him. Congratulates HEL on having "so noble a husband".
All were "profoundly" interested by HEL’s account [of their welcome at the Working Men’s College].
Suggests CD have Origin [6th ed.] stereotyped.
Will sell out remaining copies of Descent at forthcoming trade sale, print off 500 or 1000 more, and then have the type distributed.
14 copies of C. Wright’s pamphlet have been sold.