Returns corrected proof of his descriptions of S. American fossil shells [South America, appendix].
Showing 61–64 of 64 items
Returns corrected proof of his descriptions of S. American fossil shells [South America, appendix].
Has nearly finished South America.
Pleased to hear JDH has worked out identical and representative species of N. Temperate and Antarctic regions.
Geoffroy Saint Hilaire’s "loi du balancement" as applied to plants.
CD jaded by, but has nearly completed, South America.
Cannot come to Down to meet B. J. Sulivan as W. H. Harvey is calling.
Plant distribution and soil nature.
Forbes’s modification of Watson’s types of vegetation.
JDH will write comparison of representative plant species of the N. and S. Hemispheres.
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].