Forwards a letter from E. S. Morse on Omori shell mounds refuting F. V. Dickins’ review [Nature 21 (1880): 350] of Morse’s memoir ["The shell mounds of Omori", Mem. Sci. Dep. Univ. Tokyo 1 (1879) pt 1].
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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.
Forwards a letter from E. S. Morse on Omori shell mounds refuting F. V. Dickins’ review [Nature 21 (1880): 350] of Morse’s memoir ["The shell mounds of Omori", Mem. Sci. Dep. Univ. Tokyo 1 (1879) pt 1].
Sir Wyville Thomson misunderstands natural selection when he says the theory "refers the evolution of species to extreme variation guided only by natural selection". CD demurs at the "extreme variation" and the "only". No one has said evolution depends only on natural selection. CD has adduced many facts on the effects of use and disuse and on the direct action of the environment.
Quotes an extract from a letter from Mr Sanderson of Chislehurst on the disappearance of black or spotted sheep from Australian flocks when the coloured sheep ceased to be of use to man.
Summarises the "remarkable facts about the movements of plants" in Fritz Müller’s letter of January [12996]. CD comments that Müller’s observations support the conclusion that he and Francis Darwin arrived at – that leaves go to sleep to escape the full effects of radiation.
Summarises a letter from Fritz Müller [missing] giving details of leaf movement in Mucuna, Desmodium, and Bauhinia. CD is especially interested in the paraheliotropic movements, which appear to be as common as sleep movements.
Communicates two cases of inheritance reported by J. P. Bishop [in 13137]. The work of E. Brown-Séquard has demonstrated that effects of injuries can be inherited ["Hereditary transmission of an epileptiform affection accidentally produced", Proc. R. Soc. Lond. 10 (1860): 297–8]. E. Dupuy has sent CD a still more remarkable case.
Quotes from a Fritz Müller letter of 9 Aug supporting CD’s views that leaves position themselves at night so as to minimise heat loss by radiation. It is a new fact to CD that leaves take different positions at different seasons.
Summarises letter of William Nation [13350]. The facts given strongly support the conclusion that there is some close connection between the parasitic habits of birds that lay their eggs in others’ nests and the fact of their laying eggs at "considerable intervals of time".