This short but distinctive paper was published in 1835 by Charles Daubeny (1795-1867), who began his career as a physician but soon found his passion to be volcanos. At this time, Daubeny held chairs in chemistry and botany at Oxford. He had made many field trips to European volcanic regions between 1819 and 1825, was elected a Fellow of the Royal Society in 1822, and in 1826 published the first edition of his famous Description of Active and Extinct...