To Leonard Horner [January 1847]
Summary
Responds to LH’s comments on South America.
Discusses inclination of lava stream.
Sketches in second edition of Journal of researches more accurate than in first.
Author: | Charles Robert Darwin |
Addressee: | Leonard Horner |
Date: | [Jan 1847] |
Classmark: | DAR 145: 139 |
Letter no: | DCP-LETT-1048 |
To Leonard Horner 18 [March 1855]
Summary
CD has been a referee for LH’s Nile geology paper [Philos. Trans. R. Soc. Lond. 145 (1855): 105–38]. Praises the work but offers criticism not in his report: Joseph Russegger’s statement about the baked Upper Sandstone deposit cannot be believed; LH’s paper is too long.
Author: | Charles Robert Darwin |
Addressee: | Leonard Horner |
Date: | 18 [Mar 1855] |
Classmark: | Kinnordy MS (private collection) (Sold at Sotheby’s (dealers), 9 July 2018, lot 373) |
Letter no: | DCP-LETT-1649 |
To Leonard Horner 27 April [1855]
Summary
Regrets that he has not published his information on superficial beds except in abbreviated form, on p. 143 of Volcanic islands.
Author: | Charles Robert Darwin |
Addressee: | Leonard Horner |
Date: | 27 Apr [1855] |
Classmark: | Kinnordy MS (private collection) (Sold at Sotheby’s (dealers), 9 July 2018, lot 373) |
Letter no: | DCP-LETT-1676 |
To Leonard Horner 23 December [1859]
Summary
Much pleased that LH approves of Origin.
"Ilkley [Wells] did me extraordinary good."
Wants to know C. J. F. Bunbury’s opinion of Origin.
Author: | Charles Robert Darwin |
Addressee: | Leonard Horner |
Date: | 23 Dec [1859] |
Classmark: | DAR 145: 140 |
Letter no: | DCP-LETT-2596 |
To Leonard Horner [1856–7]
Summary
Thanks LH for memorandum [missing] by K. R. Lepsius.
Author: | Charles Robert Darwin |
Addressee: | Leonard Horner |
Date: | [1856–7] |
Classmark: | American Philosophical Society (Mss.B.D25.) |
Letter no: | DCP-LETT-2618 |
To Leonard Horner 14 February [1861]
Summary
Variations in nature arise from unknown causes, accidentally or spontaneously, and are preserved by natural selection if beneficial.
Author: | Charles Robert Darwin |
Addressee: | Leonard Horner |
Date: | 14 Feb [1861] |
Classmark: | American Philosophical Society (Mss.B.D25.) |
Letter no: | DCP-LETT-3062 |
To Leonard Horner 20 March [1861]
Summary
Comments on LH’s "Anniversary Address of the President", [Q. J. Geol. Soc. Lond. 17 (1861): xxxi–lxxii]. Notes LH’s comments on metamorphism, antiquity of man, and the Bible. Thanks him for his remarks on Origin.
Author: | Charles Robert Darwin |
Addressee: | Leonard Horner |
Date: | 20 Mar [1861] |
Classmark: | Sotheby’s (dealers) (9–10 July 2018, lot 374) |
Letter no: | DCP-LETT-3094 |
To Leonard Horner 13 June [1862]
Summary
Sends condolences on death of LH’s wife. Recalls many pleasant hours in Bedford Place. He and Emma thank LH for sending the memorial paper.
Author: | Charles Robert Darwin |
Addressee: | Leonard Horner |
Date: | 13 June [1862] |
Classmark: | National Library of Scotland (MS.2216:167) |
Letter no: | DCP-LETT-3599 |
From Leonard Horner 7 April [1838]
Summary
Postpones meeting with CD because he must attend House of Commons for Factory Amendment Act.
Author: | Leonard Horner |
Addressee: | Charles Robert Darwin |
Date: | 7 Apr [1838] |
Classmark: | DAR 210.8: 1 |
Letter no: | DCP-LETT-408 |
To [Leonard Horner?] 25 June 1843
Summary
Sends notes on volcanic islands for LH to read and return.
[Letter could be an inaccurate contemporary copy to which the copyist interpolated details, or a forgery. The address "Down House Orpington Kent" occurs nowhere else.]
Author: | Charles Robert Darwin |
Addressee: | Leonard Horner |
Date: | 25 June 1843 |
Classmark: | American Philosophical Society (Mss.B.D25.31) |
Letter no: | DCP-LETT-677 |
To Leonard Horner 29 August [1844]
Summary
Thanks Horner for his letter [about Volcanic islands].
Discusses craters of elevation with respect to the views of Leopold von Buch and Élie de Beaumont. Compares Lyell’s views to those of continental geologists. Mentions reading A. D. d’Orbigny [Voyage dans l’Amérique méridionale (1835–47)].
Encloses note from Emma to Mrs Horner, inviting the Horners to visit Down.
Author: | Charles Robert Darwin |
Addressee: | Leonard Horner |
Date: | 29 Aug [1844] |
Classmark: | American Philosophical Society (Mss.B.D25.38) |
Letter no: | DCP-LETT-771 |
To Leonard Horner [23 December 1846 – January 1847]
Summary
Responds to LH’s comments on South America.
Thinks it unsound to designate a geological epoch after man. Doubts people’s confidence in date of man’s introduction.
Criticises A. D. d’Orbigny’s theory of elevation of the Cordillera.
Lists sections of South America of special interest.
Author: | Charles Robert Darwin |
Addressee: | Leonard Horner |
Date: | [23 Dec 1846 – Jan 1847] |
Classmark: | DAR 145: 138 |
Letter no: | DCP-LETT-977 |
To Leonard Horner [17 August – 7 September 1846]
Summary
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].
Author: | Charles Robert Darwin |
Addressee: | Leonard Horner |
Date: | [17 Aug – 7 Sept 1846] |
Classmark: | American Philosophical Society (Mss.B.D25.53); DAR 145: 136–7 (enclosure) |
Letter no: | DCP-LETT-993 |
letter | (13) |
Darwin, C. R. | (12) |
Horner, Leonard | (1) |
Horner, Leonard | (12) |
Darwin, C. R. | (1) |
Darwin, C. R. | (13) |
Horner, Leonard | (13) |