Discusses enclosed MS of CD’s review [of G. R. Waterhouse, A natural history of the Mammalia, vol. 1 (1846); Collected papers 1: 214–17].
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Discusses enclosed MS of CD’s review [of G. R. Waterhouse, A natural history of the Mammalia, vol. 1 (1846); Collected papers 1: 214–17].
Hopes JDH can come to stay in January.
Thanks for the corallines.
Mention of JDH’s capital speech.
Can JDH come on 16 Jan? CD will ask the "old set" to come and also the Lyells.
Thanks JH for draft. Glad to hear account of farmhouse.
Discusses the geological origin of terraces.
Mentions R. I. Murchison’s paper ["On the superficial detritus of Sweden", Q. J. Geol. Soc. Lond. 2 (1846) pt 1: 349–81].
Comments on Tertiary beds of South America. Doubts that durable formations are now accumulating. Discusses formation of trap-rock. Notes effect of decomposition of lava; discusses action of submerged gravel on underlying rock.
Asks JM for information on sales of his Journal of researches and to procure for him a copy of the American edition. He is curious to see if the part on slavery has been altered.
Responds to LH’s comments on South America.
Thinks it unsound to designate a geological epoch after man. Doubts people’s confidence in date of man’s introduction.
Criticises A. D. d’Orbigny’s theory of elevation of the Cordillera.
Lists sections of South America of special interest.