Outlines in simple form the statistical distribution of inherited characteristics in a theory of "organic units".
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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.
Outlines in simple form the statistical distribution of inherited characteristics in a theory of "organic units".
Sends packets of seeds of peas of different sizes [i.e., weights] for CD’s experiments; identifies size of the seeds that produced them. FG is experimenting "in the same direction" and is curious how his results will compare with CD’s.
Gives another instance of curious habit in the Butler family.
Would like to see essay [on effects of conscription in France, see 10774]. Knows of Swiss memoir to the same effect. Author says Swiss yeomen apt to leave homestead to sickly son. Landed populations deteriorate.
Attributes the Castilian accent of speech of deaf and dumb men to imitation of their teachers’ lip movements.
Sends some "composite portraits", including three of their family ancestors, as described in Nature [18 (1878): 97–100].
Conveys some information about Dr Erasmus Darwin’s second wife and discusses photos of him and his wife.
Memorandum about Dr Erasmus Darwin’s bequests.
Praises CD’s biography of Erasmus Darwin;
asks CD to answer some queries he is circulating. Is particularly interested in "visualizing faculty" in CD and Dr Darwin.
On colours and breeding of rabbits.
Interim report on the experiments with rabbits [to test Pangenesis].
Experiments are not going well, but the quantity of blood transfused was small.
Variety in rabbits less than he hoped for; will try a new mode of transfusion.
Better news about the rabbits.
The mark he had thought a variation is not, and he thinks his infusion still too small even when the blood is defibrinised.
Rabbits still running true; hopes to increase alien blood to 30%.
Good news: one little rabbit has a white forefoot.
Thanks CD for his help and encouragement in his series of experiments [to test Pangenesis].
Two, perhaps all three, doe [rabbits] are sterile after the transfusions; will try another method.
[William Rathbone] Greg is author [of "Failure of ""natural selection"" in the case of man", Fraser’s Magazine 78 (1868): 353–62].
Comments on findings in J. M. Duncan [Fecundity, fertility, sterility and allied topics (1866)].
Saw A. D. Bartlett about monkeys.