Absence of organic remains in many deposits.
Discusses presence of marine animals near icebergs.
Comments on former geological state of England.
Showing 81–100 of 243 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.
Absence of organic remains in many deposits.
Discusses presence of marine animals near icebergs.
Comments on former geological state of England.
Discusses CL’s correspondence with T. F. Jamieson. Comments on Jamieson’s theory that the roads of Glen Roy were formed by a glacial lake. Discusses elevation of Scotland during the glacial period.
Additional discussion of Jamieson’s theory that the roads of Glen Roy were formed by a glacial lake. Suggests the possible marine origin of the Glen Spean terraces. Comments on the power of lakes to produce pebbles. Discusses elevation of Wales and Scotland during the glacial period.
The flint tools found at Bedford.
Further discussion of Jamieson’s theory of the formation of the roads of Glen Roy by a glacial lake. Comments on formation of Glen Spean terraces. Mentions glaciers in North Wales.
Agreement with John Murray to publish [Orchids].
Continued discussion of Jamieson’s Glen Roy theory. Mentions river erosion of glaciers. Quotes from old letter to CL [1116].
Is working hard on orchids; fears subject is too complex for the public.
Comments especially on the "intermediate shelf" problem of Glen Roy; views of Jamieson and Milne. CD "cannot help a sneaking hope that the sea might have formed the horizontal shelves".
Writes at Lindley’s suggestion to ask whether DN can send several orchid specimens. Describes his work in preparation for Orchids.
Discusses manuscript by H. W. Bates [Naturalist on the river Amazons (1863)].
Mentions CD’s forthcoming book [Orchids].
Returns "The Week" [unidentified].
Agrees with THH’s published letter that writer is a man of excellent spirit, but doubts he is a good logician.
Suggests that the height of the water which formed the shelves in Glen Roy was determined not by the height of the blocking glacier but by the height of a col. Notes problems in the idea.
Explains how melting of ice in Glen Spean could have successively freed two lower cols, thus establishing the water-levels that determined the two lower shelves in Glen Roy.
Plans to read a paper to the Linnean Society ["Sexual forms of Catasetum", Collected papers 2: 63–70].
Asks for information about japanned peacocks from Hudson [John Henry?] Gurney’s flock.
Asks for information about peacocks, especially Pavo nigripennis. Suggests a crossing experiment.
Encloses a question [missing] concerning language [from Hensleigh Wedgwood].
Refers to his Primula paper [Collected papers 2: 45–63]. Asks GHKT to investigate a similar case in Cinchona.
Asks for information concerning heterostyled and dioecious plants.
CD has been experimenting on the fertility of peloric flowers, with the forlorn hope of illustrating sterility of hybrids; seeks further plants or seeds.
CD grateful to have had the distinction of the two sorts of peloria pointed out to him.
His very sick son rallied; is out of danger, thanks to port wine.
Relates personal news about family members.
CD is "glad Glen Roy is settled".
Mentions evolutionary remarks on birds by Owen.
Compares variability among lower and higher organisms. Comments on Hooker’s view of the subject.
Forthcoming publication of Huxley’s book [Evidence as to man’s place in nature (1863)] and Lyell’s [Antiquity of man (1863)].
Family news; mostly an account of ill health.