Responds to LH’s comments on South America.
Discusses inclination of lava stream.
Sketches in second edition of Journal of researches more accurate than in first.
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Responds to LH’s comments on South America.
Discusses inclination of lava stream.
Sketches in second edition of Journal of researches more accurate than in first.
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.
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].