From George Robert Waterhouse [April 1844]
Summary
Regularly attends Owen’s lectures. Owen at pains to show groups are not linked. Thus makes Lepidosiren appear fish-like.
GRW thinks embryology will become chief guide to insect classification. But contradictions between classification based on embryological and adult characters do occur.
Author: | George Robert Waterhouse |
Addressee: | Charles Robert Darwin |
Date: | [Apr 1844] |
Classmark: | DAR 48: 79 |
Letter no: | DCP-LETT-2026 |
From J. D. Hooker 5 April 1844
Summary
Answer to CD’s query on genera and species ranges.
Comments on typical forms.
Preparing first part of Galapagos plants for printing.
Author: | Joseph Dalton Hooker |
Addressee: | Charles Robert Darwin |
Date: | 5 Apr 1844 |
Classmark: | DAR 100: 12–13 |
Letter no: | DCP-LETT-745 |
To J. D. Hooker [17 April 1844]
Summary
Thanks for information on printing charges
and for clarifying "typical forms".
In a few days CD will go away for six weeks.
Author: | Charles Robert Darwin |
Addressee: | Joseph Dalton Hooker |
Date: | [17 Apr 1844] |
Classmark: | DAR 114: 18 |
Letter no: | DCP-LETT-746 |
To Christian Gottfried Ehrenberg 20 April [1844]
Summary
Sends samples likely to contain Infusoria and some that Hooker collected in Antarctic regions.
Author: | Charles Robert Darwin |
Addressee: | Christian Gottfried Ehrenberg |
Date: | 20 Apr [1844] |
Classmark: | Museum für Naturkunde Berlin (MfN/HBSB, N005 NL Christian Gottfried Ehrenberg Nr. 43) |
Letter no: | DCP-LETT-747 |
From George Robert Waterhouse 26 April 1844
Summary
Defines the term "typical species" and discusses its use among zoologists. Cites example of type of Carnivora. Comments on general law of development of parts in animals. Cites teeth of Carnivora.
Author: | George Robert Waterhouse |
Addressee: | Charles Robert Darwin |
Date: | 26 Apr 1844 |
Classmark: | DAR 181: 14 |
Letter no: | DCP-LETT-748 |
From G. R. Waterhouse [after 26 April 1844]
Summary
Is puzzled by CD’s question about the Viverridae; thinks if there were only one species he might regard it as an aberrant of some other group and not select it as a type of the Carnivora.
Author: | George Robert Waterhouse |
Addressee: | Charles Robert Darwin |
Date: | [after 26 Apr 1844] |
Classmark: | DAR 181: 15 |
Letter no: | DCP-LETT-749 |
letter | (6) |
Waterhouse, G. R. | (3) |
Darwin, C. R. | (2) |
Hooker, J. D. | (1) |
Darwin, C. R. | (4) |
Ehrenberg, C. G. | (1) |
Hooker, J. D. | (1) |
Darwin, C. R. | |
Waterhouse, G. R. | (3) |
Hooker, J. D. | (2) |
Ehrenberg, C. G. | (1) |