Feels sure that at times the globe must have been superficially cooler. Believes CD will turn out right with regard to migration across the equator via mountain chains, while the tropical heat of certain lowlands was retained.
Showing 41–60 of 268 items
Feels sure that at times the globe must have been superficially cooler. Believes CD will turn out right with regard to migration across the equator via mountain chains, while the tropical heat of certain lowlands was retained.
Surprised at Hooker’s introducing "so organic a change as a deviation in the axis of the planet" to explain the cold of the Glacial Period.
Comments on cool-period MS. Still believes geographical changes principal cause of former changes of climate.
Curious to read what CD will say on man and his races.
Has CD seen Ludwig Rütimeyer’s Ueber die Herkunft unserer Thierwelt (Rütimeyer 1867c)?
Discusses J. F. W. Herschel’s theory of active volcanoes existing at the junction of continents and the sea.
Comments on proof-sheets of Variation.
His revisions of Principles of geology, 10th ed.
Regrets not seeing CD before leaving on trip [to the U. S.]. CD’s move from London will be a privation for CL.
Returns charts on coral reefs.
Spoke to Henry Warburton, W. H. Fitton, and E. B. Greenough on CD’s idea of a Government grant for publication [not identified].
Will read at next meeting his paper on erect Nova Scotia fossil trees [Proc. Geol. Soc. Lond. 4 (1843–5): 176–8].
E. P. Halstead reports on shores rising off Burma and Bay of Bengal.
Unpacking his U. S. fossils.
Phillips looked at beds below coal in Pennsylvania. Result is the usual different species found but with complete representation of forms.
Recalls Cuvier’s reaction to Principles of geology.
Comments on Wallace’s article in the Quarterly Review [see 6684].
Not opposed to ARW’s idea that Supreme Will might direct variation.
Quotes passage in letter from ARW arguing for causes other than selection in determining human abilities.
Discusses excavation of lakes by glaciers.
J. P. Lesley does not believe ice-sheets involved in eroding Appalachians.
Comments on Huxley’s address ["Geological reform", Q. J. Geol. Soc. Lond. 25 (1869): xxxviii–liii].
Physicists have ignored variation in sea-level in calculating effects.
Doubts if sun only source of heat.
Notes average depth of sea is 15 times height of land.
Criticises CD’s concept of permanent continents.
Sedimentary strata of Alleghenies must have derived from continent located where Atlantic is. Thinks enormous amount of denudation, submergence, and elevation may have accompanied relatively insignificant organic changes.
Has been looking for something about crop rotation in Origin and Variation.
CD’s criticism of his book [Travels in North America (1845)].
Compares invertebrate animals of Tasmania and England.
Mentions views of C. J. F. Bunbury on climate of the Carboniferous period.
Robert Brown says Australian flora has the widest range.
Will subscribe £25 towards F. A. Dohrn’s Zoological Station at Naples.
Comments on Tyndall’s [Presidential] Address at Belfast meeting [of BAAS] and praise of CD’s work there. Mentions criticism of Belfast clergy.
CL saw some crustacean footprints while in Ireland.
Notes recent confirmation of CD’s views on subsidence in [island of] St Jago.
Describes Carboniferous strata discovered on Island of Mull by J. W. Judd. Contained evidence of Miocene sinking of volcanoes.
No summary available.
No summary available.
Discusses A. C. Ramsay’s article ["On the denudation of South Wales", Mem. Geol. Surv. G. B. 1 (1846)]. Mentions his own paper ["Volcanic phenomena in South America", Collected papers 1: 53–86]. Emphasises that sedimentary deposits are not ordinarily preserved.
Asks CL to address a letter to Charles Maclaren.
Discusses recent publication by David Milne on erratic boulders [Edinburgh New Philos. J. 42 (1847): 154–172].
Views of Bernhard Studer on foliation of gneiss in the Alps. Asks CL to tell Leonard Horner of Studer’s views.
Quotes from South America [p. 167] on the foliation of metamorphic rocks.
Comments on investigation of coral reefs by A. A. Gould, particularly the reefs around Tahiti. Mentions description of reefs of Tahiti by W. Forbes.
Hooker’s view of work by C. J. F. Bunbury.