Letters from Lyell, Charles to Wallace, Alfred Russell, 21 December 1868-21 June 1869

Copy letters written by Arabella Buckley and Mary Lyell, summarised as 'Lyell to Wallace Oldus Revival of Lyell's passsage against Lamarck' dated 21 December 1868 [single unattached sheet - not with any letter], 'Lyell to Wallace Haeckel's work on Creation, Cuvier's theory of the Earth, notes for [W'O?] art[icle] on "Principles"' 19 November 1868 [in which Lyell summarises the impact of his own work, from Hutton's origins], one letter with no summary, similar topic, 21 December 1868, 'Time to be allowed for denudiation - Subterreanean forces counteracting agencies - Geikie & Croll jump to conclusion', 'Denudiation - art[icle] for "Elements"', and 'Plan for abridgement of "Elements".