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To Daniel Mackintosh   9 October 1879

Summary

Comments on DM’s ["Drift deposits of west of England", Q. J. Geol. Soc. Lond. 35 (1879): 425–55].

Author:  Charles Robert Darwin
Addressee:  Daniel Mackintosh
Date:  9 Oct 1879
Classmark:  DAR 146: 333
Letter no:  DCP-LETT-12252

From Daniel Mackintosh   14 October 1879

Summary

DM is highly gratified by CD’s opinion of his labours on boulders [see 12252]. He owes his start on this subject to CD. Since 1843 he has supported CD’s views on transportation of boulders by ice.

Author:  Daniel Mackintosh
Addressee:  Charles Robert Darwin
Date:  14 Oct 1879
Classmark:  DAR 171: 8
Letter no:  DCP-LETT-12257

To Daniel Mackintosh   16 October 1879

Summary

DM may show CD’s letter [to the Royal Society].

Pleased that his old paper should have stimulated DM to such excellent work.

Author:  Charles Robert Darwin
Addressee:  Daniel Mackintosh
Date:  16 Oct 1879
Classmark:  Cleveland Health Sciences Library (Robert M. Stecher collection)
Letter no:  DCP-LETT-12259

From Daniel Mackintosh   15 January 1880

Summary

The violent stranding of floating ice as first mentioned in CD’s article ["Ancient glaciers of Caernarvonshire", Collected papers 1: 163–71] is the most remarkable of the Moel Tryfan phenomena.

Author:  Daniel Mackintosh
Addressee:  Charles Robert Darwin
Date:  15 Jan 1880
Classmark:  DAR 171: 9
Letter no:  DCP-LETT-12426

From Daniel Mackintosh   11 November 1880

Summary

Has found three zones of stones in the Welsh and Pennine mountains which he accounts for by elevation and subsidence. Does CD think that these movements in historical times have been caused by earthquakes or by slow and gradual movements?

Author:  Daniel Mackintosh
Addressee:  Charles Robert Darwin
Date:  11 Nov 1880
Classmark:  DAR 171: 10
Letter no:  DCP-LETT-12808

To Daniel Mackintosh   13 November 1880

Summary

Comments on DM’s ["The Moel-Tryfan shelly deposits", Q. J. Geol. Soc. Lond. 37 (1881): 351–69].

Comments on cause of earthquakes.

Believes formation of ice lowered level of sea.

Author:  Charles Robert Darwin
Addressee:  Daniel Mackintosh
Date:  13 Nov 1880
Classmark:  DAR 146: 334
Letter no:  DCP-LETT-12812

From Daniel Mackintosh   21 November 1880

Summary

The use of earthquakes as a geological cause in his previous letter was careless.

Shelly beach deposits over considerable distance from Ireland to Scotland seem better explained by high sea-level than low land.

Only CD seems to have reported shattered rocks under the Moel Tryfan drift.

Author:  Daniel Mackintosh
Addressee:  Charles Robert Darwin
Date:  21 Nov 1880
Classmark:  DAR 171: 11
Letter no:  DCP-LETT-12836

From Daniel Mackintosh   24 December 1880

Summary

Thanks for the American pamphlet, which has caused him to write the enclosed extract on "bent and shattered edges of slaty laminae".

Author:  Daniel Mackintosh
Addressee:  Charles Robert Darwin
Date:  24 Dec 1880
Classmark:  DAR 171: 12
Letter no:  DCP-LETT-12936

From Daniel Mackintosh   25 February 1882

Summary

Asks for CD’s opinion on certain theistic ideas. If spontaneous generation from inorganic material is denied, then life must be derived from some eternal being.

Author:  Daniel Mackintosh
Addressee:  Charles Robert Darwin
Date:  25 Feb 1882
Classmark:  DAR 171: 13
Letter no:  DCP-LETT-13708

To Daniel Mackintosh   28 February 1882

Summary

Comments on James Geikie’s ["Intercrossing of erratics", Scottish Naturalist 6 (1882): 193–200, 241–54]. Believes JG underrates importance of floating ice in explaining drift deposits.

Comments on origin of life and natural theology.

Recommends William Graham’s The creed of science [1881].

Author:  Charles Robert Darwin
Addressee:  Daniel Mackintosh
Date:  28 Feb 1882
Classmark:  DAR 146: 335
Letter no:  DCP-LETT-13711

From Daniel MacKintosh   1 December 1867

Summary

Seeks CD’s opinion and references on the causes of terraces in the south of England. He supports sea action as cause, either by currents or on coasts, and has been engaged in a controversy in the Geological Magazine [4 (1867): 571–5] with the subaerial school. Poulett Scrope thinks they are agricultural.

Author:  Daniel Mackintosh
Addressee:  Charles Robert Darwin
Date:  1 Dec 1867
Classmark:  DAR 171: 7
Letter no:  DCP-LETT-5703

From Daniel MacKintosh   8 December [1867]

Summary

Thanks CD for information on inclined terraces in S. America, which DM thinks applies to the chalk downs of S. England. CD’s definition that the sea widens and fresh water deepens is key to the subject.

Author:  Daniel Mackintosh
Addressee:  Charles Robert Darwin
Date:  8 Dec [1867]
Classmark:  DAR 171: 6
Letter no:  DCP-LETT-5711
Document type
letter (12)
Correspondent
Date
1867 (2)
1879 (3)
1880 (5)
1882 (2)
letter