Scope and Contents

The Correspondence from Charles Robert Darwin sub-series consists of:

Scope and Contents

The Correspondence to Sir Archibald Geikie: Thomas Lauder Brunton to William Sweetland Dallas sub-series consists of:

Scope and Contents Three folders of correspondence, from James Croll - the first 2 folders only have been catalogued, and which differ in detail of cataloguing, the first one being done to a high level of detail, the second only capturing the summary created by Lyell's team: Letter to Sir Charles Lyell from James Croll regarding the velocity of light and the effects that has on the temperature of the earth during the glacial period. He mentions the theories of Foucault, Le Verrier and Legrange, 1 March...

Scope and Contents

Summarised as Attraction of Polar Ice - Cap. Refers to Croll's 'new theory'.
See also 'Miscelleanous and unidentified letters Coll-203/B2/3

Scope and Contents

Copy letter written by Mary Lyell, Lyell to Croll on the possibility of a thick layer of ice at the Pole, questions answered by Col. Strachey, an Indian Officer, and asks Croll on his opinion.

Scope and Contents

Sixteen copy letters and extracts of letters from Lyell to Moore and Croll. Four are summarised as August 1866 'On Climate', 'What small quantity of snow falls at North Pole - attraction of antipodal ice cap', 'On Croll's speculation as to thickness of ice at South pole', and 2 March 1866 'Heath suggestion of glacial [?] and his astronomical paper', and on 7 March 1866 'How does Adhémar melt the ice at one pole?'.