Discusses arthropod structure and the nature of the corium.
Showing 1–8 of 8 items
Discusses arthropod structure and the nature of the corium.
CD relieved by JDH’s positive response to his MS.
CD continues observations on means of transport.
JDH’s Raoul Island paper [J. Linn. Soc. Lond. (Bot.) 22 (1857): 133–41], showing continuity of vegetation with New Zealand, best evidence yet of continental extension.
Describes the funeral of Aunt Sarah [Elizabeth Wedgwood].
CD finds JDH’s objections to a mundane cold period significant, and he endeavours to show how they do not rule out mutability.
He is writing on crossing.
CD encloses letter from Asa Gray, although it is critical of JDH.
Role of struggle in forming species in retreat from advancing glaciers.
CD, attempting to clarify debate, states more of his position. External conditions cause "mere variability". Formation of species due to selection. Relation of an organism to its associates far more important than external conditions.
Writes about suitable mourning clothes and sale of house [Petleys, after death of Sarah Elizabeth Wedgwood I].
Thanks for promise of rabbit carcase and for information about rabbit at Zoological Society’s Garden.
Requests correspondent to ask Mr Vivian for carcase of an old "Creve-coeur" cock. CD has found that the skull in this breed is modified to support its comb.