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.
Showing 41–60 of 282 items
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.
Requests authorisation to translate Journal of researches into French.
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.]
A case of fighting in crabs (Portunus puber against Carcinus maenas) [see Descent 1: 332].
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)].
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.]
Argues for great age of earth before the Cambrian period. Opposes measuring age from secular cooling. Opposes Sir William Thomson. Lyell’s error on secular cooling.
Thanks for Moseley citation ["On the mechanical possibility of the descent of glaciers", Proc. R. Soc. Lond. 17 (1869): 202–8].
In Edinburgh he feels out of touch with latest developments.
Believes that species or genus may have originated more than once from separate ancestors, i.e., polyphyletically.
Discusses relation of CD’s theory to religion. Has written popular account of CD’s theory in Dutch [Darwin en de Godsdienst (1869)].
Has inquired about magnetic storms. Any effect that could be produced by the sun’s energy in retarding the cooling of the earth would be utterly insignificant.
Tells of his visit to Eton.
Is uncertain about next steps to take for a legal career.
Pleased by CD’s good opinion and offer to provide material. Discusses work he would do on cirripedes.
Moritz Wagner’s views on migration of species;
his doubts about Fritz Müller’s views on developmental stages of Crustacea.
Down School funds.
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.
Sends MS. Asks CD to recommend it to a scientific society.
Librarian to the Board of Trade proposes a celebration of CD’s 60th birthday by the Vienna Free Press.
Returns a book on beavers borrowed from CD.
Down School funds.
Explains the point about gravitation and heat that CD does not understand in J. Croll’s letter [6218?].
Cambridge news.
Thanks for abstract of Moseley’s paper on motion of glaciers [see 6599]. Reading it convinced him that Tyndall’s received view is wrong. Has formed a new view, which he has sent to Philosophical Magazine [4th ser. 37 (1869): 201–6].
Sends CD his pamphlet [Über Landwirtschaftlichen Genossenschaften (1868)];
expresses his admiration for CD’s work.
Habits of the fallow deer during the breeding season. [See Descent, 2d ed., p. 803.]