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From J. D. Hooker   [c. 25 March 1854]



JDH summarises letter from Humboldt.

JDH answers CD’s questions on glacial action in Himalayas.

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  [c. 25 Mar 1854]
Classmark:  DAR 205.9: 382
Letter no:  DCP-LETT-1559

Matches: 1 hit

  • … and in Correspondence vol.  4, letter from J.  D. Hooker, 3 February 1849 , n.  12. Henry …

To J. D. Hooker   15 November [1854]



Calculating small number of species in aberrant genera of insects and plants.

Joachim Barrande’s "Colonies", Élie de Beaumont’s "lines of Elevation", Forbes’s "Polarity" make CD despair, as these theories lead to conclusions opposite to CD’s from the same classes of facts.

Author:  Charles Robert Darwin
Addressee:  Joseph Dalton Hooker
Date:  15 Nov [1854]
Classmark:  DAR 114: 156
Letter no:  DCP-LETT-1601

Matches: 1 hit

  • 1849 . See letter from G.  R. Waterhouse, 11 November 1854 , n.  1. Waterhouse 1845 , p.  19 n. There is an annotated copy in the Darwin Library–CUL. See Correspondence vol.  3, letter to J.  D. Hooker, …

From J. D. Hooker   25 August 1854



JDH and F. W. Binney identify Calamites specimens as pith casts. They are cryptogams related to, but higher than, Lycopodiaceae and contradict progression.

Insects found in coal.

Lyell says Stonesfield slate marsupials are actually placentals.

JDH reading Alexander Braun on individuality ["Das Individuum der Pflanze in seinem Verhältniss zur Species", Abh. K. Akad. Wiss. Berlin (Phys. Kl.) (1853): 19–122].

Author:  Joseph Dalton Hooker
Addressee:  Charles Robert Darwin
Date:  25 Aug 1854
Classmark:  DAR 205.9: 384
Letter no:  DCP-LETT-1581

Matches: 1 hit

  • 1849 . Edward William Binney , who resided in Manchester, was an expert on the fossil plants of the coal seams of the Midlands. See Correspondence vol.  4, letter to J.  D. Hooker, [ …
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letter (3)