Volcanic Islands
Geological Observations on the Volcanic Islands, Visited during the Voyage of H.M.S. Beagle, Together with Some Brief Notices on the Geology of Australia and the Cape of Good Hope. Being the Second Part of the Geology of the Voyage of the Beagle under the Command of Capt. Fitzroy, R.N. during the years 1832 to 1836. London: Smith, Elder, 1844.
In the second volume of the series, Darwin documents his understanding of the geology resulting from volcanic activity he observed during his survey voyage on the Beagle.
