Handwritten article on the geology of Grande [sic Gran] Canaria and the way in which the rocks were formed. Seeming to be a summary of Lyell's observations while on the island, 1855 - it is not in his handwriting, and is perhaps written by Mary Lyell, or Georg Hartung.

Notes - including sketches - of a visit to the Canary Isles and Madeira with Georg Hartung, to look at the geological formations caused by volcanoes on the islands. TNotes on trip to Lanzarote and Fuerteventura with James Tennant to look at minerals. Index of notes on Madeira & the Canaries with G. Hartung. May-June 1855 - also refers to page numbers in Notebook 203.

Original packaging marks this bundle as 'H; '4' C. Lyell's notes with G. Hartung Oct 1855, Nov. and with large letters 'CL'. Text includes notes, queries, itinerary of trip, reference to Notebook 185, in sections by topic e.g. Dikes, with sketches and diagrams throughout. October-November 1855.

Original packaging marked '6''C. Lyell Notes on Madeira Oct[ober] - Nov[ember] 1855
4 points stated:
1. Rain washing down red clay [?Po. Cadro Antonio]
2. Slickenside Laterite Lava
3. Drivers book lent by Wollaston notes from
4. Intrusion lava, Giran [sic Girão].
Also, Index to Hartung's MS on Madeira. October-November 1855.

On the Geological Structure of the Madeiran Islands by Sir Charles Lyell and Georg Hartung which is a summary of their observations during a visit to the Madeiran Islands in the winter of 1853-1854 and to three Canary islands, La Palma, Teneriffe and Grand Canary, in the Spring of 1854, with diagrams, 1856.