Scope and Contents The correspondence between Horsfield and Lyell is mainly concerned with geological activity in Indonesia, volcanoes, and lava. Lyell or his team, have summarised the letters, either on the envelope, or on the letter itself - usually in the space allocated to the address. Where there is a summary, it has been transcribed here. Dr. Horsfield on Eruption of Galongoon [Galunggung] in Java, 1822 9 Feb[ruary]...

Scope and Contents Packet of notes, marked Madeira B: MS [manuscript] Notes with Hartung October 1854 MS Index to Dana Features original sketches of geological features by Lyell, including vents of a volcano, similar to that of Arran in Notebook 62 - and notes relating to articles [Lyell creates an 'index' to the articles for reference]. Notes on Dana's paper [referred to as Canary Isles and Madeira paper, actual title not given] Covers Origins of Caldera of Palma. Index...