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Calculations of Barometrical Observations in La Palma, Canary Islands giving heights in feet of various volcanic features including of the Central Ridge of the Caldera, 12 July 1854.

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Geological cross section of Grand Canary from Maspalomas in the North to Banaderos Bay in the south showing rock types. The length of the land depicted in the cross section is 26 geographical miles and the greatest height is 6400 feet, 1855.

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List entitled 'Grand [sic Gran] Canary fossils - numbered so as to count them along the side.

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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.

Scope and Contents This notebook contains short, individual indexes relating to Charles Lyell’s 13 notebooks [references Coll-203/A1/185-197] on his geological travels around Madeira and the Canary Islands, covering his arrival in Madeira in 1853 through to his manuscripts and letters created back in London in late 1854. The first page details his route through the islands, by year and place, with the corresponding Scientific Notebook given. Each individual Scientific Notebook from 185-197 is then also...

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Summary is noted by Lyell as 'Barometrial measurement of Heights'. Letter to Dr [Joseph Dalton] Hooker from Charles James Bunbury full of social chat, he mentions that "Mr Bunbury" [Henry Edward Bunbury, his father] gave a lecture to the Bury Atheneum on his recent trip to Madeira and Tenerife. He includes notes entitled " The Neutral Point of Sir C Lyell's Barometer", 11 November 1854.

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Letter to Mary [Lyell] from [Charles James Bunbury] giving barometrical observations in feet which were taken on the Island of Gran Canaria. Bunbury states that he has passed these measurements to Dr Hooker in order that he might verify them, 1850s.

Scope and Contents Letter to Sir Charles Lyell from William Baird relating to Helix Tiarella which was published by Webb & Bartholet in 1833. He tells Lyell that no further mention was made of it in their synopsis except that it was obtained from a bag of Orchil. He advises Lyell that is would not be necessary to go to Madeira for a sample as it is readily available in the Canary Islands where it forms the major export and fetches twice as much as Madeira orchil on the London...

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Letter to Sir Charles Lyell from George Scrope concerning a paper dealing with the Upheaval Theory which Lyell had submitted for publication in the Royal Society's Philosophical Transactions. Scrope is pleased with the paper which contains a challenge to the theory which he describes as an "intolerable absurdity". He discusses Homboldts Cosmos which he gave little credence to and goes on to discuss lava flows in Vesuvius, Madeira and Tenerife and the formation of pumice, 29 July 1858.

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Letter to Sir Charles Lyell from Pedro Maffiote stating that he has just received a copy of Lyell's works on Geology - title not stated - and he complements Lyell on the work. He describes new shells that he has found at Las Palmas, 4 July 1854.