Discusses printing of a plate [for South America (1846)].
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Discusses printing of a plate [for South America (1846)].
Looks forward to LJ’s volume [Observations in natural history (1846)].
Observations on what the world would call trifling points in natural history are always very interesting to him. Deplores their absence in foreign periodicals.
Is slaving away to finish S. American geology.
Comments on forthcoming edition [7th (1847)] of CL’s Principles. Mentions other books relevant to CL’s needs by Hooker, H. G. Bronn, Edward Forbes, and J. G. Kölreuter. Discusses his own books on volcanoes and the geology of S. America.
Mentions expected visit to Down by the Lyells.
Thanks RM for "Dynamics of earthquakes" [Trans. R. Irish Acad. 21 (1848): 50–106]. It has cleared up his ideas on undulations. Now wishes he had said nothing about them in Journal of researches. Sends his paper ["Certain volcanic phenomena in S. America", Collected papers 1: 53–86]. Wishes RM would investigate Chile. Speculates whether earthquakes coincide with moon or tides.
Discusses proposed survey of Glen Roy. Mentions Glen Roy theories of Agassiz and William Buckland. Includes a memorandum calling for a careful survey of the parallel roads of Glen Roy. Mentions M. A. Bravais ["On the lines of ancient level of the sea in Finmark", Q. J. Geol. Soc. Lond. 1 (1845): 534].