Bolivia, Peru. Forbes, David (1861). ‘Geology of South America – part I, Bolivia and Peru, with Notes on the Fossils by Prof Huxley, JW Salter and T. Rupert Jones’. Extract from QJGS, v. 17,
Bolivia, Peru. Forbes, David (1861). ‘Geology of South America – part I, Bolivia and Peru, with Notes on the Fossils by Prof Huxley, JW Salter and T. Rupert Jones’. Extract from Quarterly Journal Geological Society, v. 17, pp 7 to 84 + 6 plates. Text age-toned, but clean. Two single page sized colour printed maps, long foldout section and three fossil plates. Plate 1 is ‘Geological Sketch-Map of part of Bolivia and Peru’ 1:700,000 approx scale, colour. Plate 2 comprises two b/w traverses from the coast inland in significant detail at 1:126,720. Plate 3 comprises three comparable sections from 1842, 1856 and 1860 revealing the development of detail over the two decades. In good to very good condition.