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489 DARWIN (CHARLES)

TWO interesting A.Ls.s. to SIR ANDREW CROMBIE RAMSAY, F.R.S., President of the Geological Society 1862-4, senior director of the Geological Survey 1871, and a specialist in district stratigraphy, both from Down, neither dated by year; the presumably earlier

[To A. C. Ramsay   21 December [1846]]

("My dear Sir"), 11 pages, 8vo, December 21—"I am delighted that you have thought some parts of my Book worth reading: it is in my opinion much more difficult to get a geologist to read a book than to write one", discusses Terraces, Snowdonia, the Old Tertiary, fossiliferous deposits, Murchison and the Silurian lava-streams, metamorphic action, etc.;

[To Andrew Crombie Ramsay 9 April [1853]]

the second ("Dear Ramsay"), 5 pages, 8vo, April 9—"I feel so much interest on the subject of foliation and cleavage . . . and pleased at some remarks on the Duke of Argyle's paper that you must let me send you a few tomes . . . will you oblige me by running your eye again (if ever read) over my remarks p. 162-168 in my Geological volume on S. America", followed by an emphatic disquisition on foliation

together with:

Darwin (Charles) Geological Observations on South America, 1846, FIRST EDITION, elderly blue half morocco, g.t., signature of Andrew C. Crombie on endpaper and "From the Author" (in a clerkly hand) on reverse, folding map and plates, 8vo- On the Origin of Species, 1859, FIRST EDITION, elderly green half morocco, g.t., other edges uncut, advertisements dated June 1859, ownership inscription erased from upper margin of title-page, 8vo (4)