London: Smith, Elder and Co.,, 1844. One of three major geological works from the Beagle voyage First edition, uncommon in the original cloth, of the second work in Darwin's intended trilogy of geological researches, comprising detailed descriptions and illustrations of the Cape Verde archipelago, Ascension Island, the Galápagos, and parts of Australia, New Zealand, and South Africa. Darwin, who initially conceived the Geology of the Voyage of the Beagle as a single work, eventually expanded and split it into three separate books, published by Smith Elder over a period of five years: Coral Reefs in May 1842, the present title in November 1844, and South America in late 1846. They were eventually reissued together in a single volume in 1851, made up from unsold sheets and bound with a new title page, and testify to Darwin's impressive career as a field geologist. Octavo. Original dark purple fine diaper-grain cloth, spine lettered and priced at foot in gilt, decoratively ruled and…