Letters from Bunbury, Charles James Fox, to Charles Lyell, 16 October 1844 -29 September 1851

Discussions on: Pterrid forms like recent species common to America and Europe; climate of coal period and growth of peat; on coal seams; ferns and their place in the growth of coal seams; on fossilised ferns in Lyell's North America collection which seem not to fit with the pre-conceived ideas; on the climate of coal; advances made since Lyell's most recent copy of 'Principles' (6th ed.); congratulating Lyell on the changes made in the 7th ed. of 'Principles'; on the wood remains at Boxhill, with references to other authorities, e.g. Hooker; packet of Lectures given by Sir Charles Bunbury on Coal.