Showing 41–60 of 536 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.
Does not fact that characters important in systematics are often of no use, corroborate CD’s view that such characters, if not detrimental, may persist ad infinitum?
Social news.
On development of horns in fawns of fallow deer.
Believes Portuguese habit of removing tails of pointers is responsible for birth of some tailless dogs.
Thanks JP for his book Vesuvius [1869].
Thanks CC for two memoirs [see 6575. The other was possibly "Die Cypris-ähnliche Larve der Cirripedien", Schr. Ges. Beförd Naturw. Marburg (1869)].
Haeckel is too enthusiastic and too bold in drawing conclusions.
CD sees no reason to add to what he says on isolation, in new edition of Origin.
Lists specimens he has available for CC’s intended study of metamorphoses of Lepas.
DF’s opinion of Gustav Jenzsch’s book [Mikroskopische Flora und Fauna (1868)]. Encloses extract of a letter from Ferdinand Zirkel also mentioning Jenzsch’s work.
Argues that [general variability] of species, not single variations or sports, is basis for modification and adaptation to new conditions.
Returns book with thanks. "Joyfully accepts" idea of the warming of Southern Hemisphere during glacial period in the Northern. Lyell is unwilling.
Mentions H. N. Moseley’s study of descent of glaciers [Proc. R. Soc. Lond. 17 (1869): 202–8].
CD greatly troubled by problem of age of the earth and calculations of Sir William Thomson. Asks about changes in the form of the globe.
Requests authorisation to translate Journal of researches into French.
"You are most perfectly welcome to Fragmenta [F. J. H. von Mueller Fragmenta phytographiae Australiae (1858–64)], & I shall be delighted if they are of the slightest use to you."
Asks JM to grant permission for a French translation of his "Naturalist’s voyage" [Journal of researches].
A case of fighting in crabs (Portunus puber against Carcinus maenas) [see Descent 1: 332].
Statement of sales of U. S. edition of Origin.
Corrects T. M. Brewer’s statement, cited in the Origin, that the American cuckoo never uses other birds’ nests. [See Origin, 5th ed., p. 266.]
Statement of sum due from Rev. Robinson "On account of School".
Sends translation of Mr Steiger’s letter responding to question CD had asked about growth of horns of merino rams.
Lyell says CD is revising what he says about the Weald in the Origin. Asks CD to look at his subaerial denudation views in his book [Physical geology and geography of Great Britain, 2d ed. (1864)].
Discusses case of tailless dogs.
Does not intend to follow up work on variation under domestication.
Asks for specimen of Drosophyllum from Portugal.
CD expressed himself badly. F. Jenkin’s argument was against single variations ever being perpetuated.
Gives consent, which is unnecessary because term of protection has expired, for French translation of Journal of researches.
Is at a loss to know how many copies of F. Müller’s Facts and arguments for Darwin to print.
The printer is ready for copy for a new "edition" of Variation. [Presumably another issue. 2d edition did not appear until 1875.]