Personal news – is unwell.
Mentions "Twin-papers" ["Short notes on heredity, etc., in twins", J. Anthropol. Inst. 5 (1876): 324–9] sent by Galton.
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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.
Personal news – is unwell.
Mentions "Twin-papers" ["Short notes on heredity, etc., in twins", J. Anthropol. Inst. 5 (1876): 324–9] sent by Galton.
Provides CD with a method of obtaining a numerical ratio that expresses the superiority in heights of crossed plants to self-fertilised plants.
Is elated by his work on the alteration in the earth’s axis and the displacement of the poles. [See 10689.]
Writes of his "geo-mathematical" work.
His paper on the alterations of the poles and changes in level of continents is in shape.
Sends Cambridge news.
Greatly excited by the astronomical implications of his work.
Comments on an address by William Thomson (‘On the rigidity of the earth’?), which is about the same problem that GHD is working on. Is confident Thomson has overlooked some points.
Sends W. Thomson’s complimentary opinion of his paper "On the influence of geological changes on the earth’s axis" [Philos. Trans. R. Soc. Lond. 167 (1877): 271–312].