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Darwin Correspondence Project

To James Croll   24 February [1869]1

Down. | Bromley. | Kent. S.E.

Feb. 24th

My dear Sir

I am very much obliged for the Proofs, which have interested me greatly.2 I cannot for a moment pretend to form any judgment, but your view seems to me very ingenious; if accepted it will be a most satisfactory & great step in our knowledge of glacier-movements

In Haste | Your’s very sincerely | Ch. Darwin


The year is established by the relationship between this letter and the letter from James Croll, 15 February 1869.
CD refers to proof-sheets of ‘On the physical cause of the motion of glaciers’ (Croll 1869; see letter from James Croll, 15 February 1869 and n. 3).


Croll, James. 1869. On the physical cause of the motion of glaciers. Philosophical Magazine 37: 201–6.


Thanks JC for his proofs of article on the movement of glaciers.

Letter details

Letter no.
Charles Robert Darwin
James Croll
Sent from
Source of text
American Philosophical Society (Mss.B.D25.271)
Physical description

Please cite as

Darwin Correspondence Project, “Letter no. 6630,” accessed on 18 September 2021,

Also published in The Correspondence of Charles Darwin, vol. 17