Figures and Descriptions of the Palæozoic Fossils of Cornwall, Devon and West Somerset; observed in the course of the Ordnance Geological Survey of that district. By John Phillips, etc
John Phillips's 1841 report for the Ordnance Geological Survey, published in London by Longman, cataloguing Palaeozoic fossils from Cornwall, Devon and west Somerset for geologists and survey staff. Numbered lithographic plates group brachiopod and bivalve shells, corals and crinoid fragments against blank ground, drawn in fine hatching that records ribbing, growth lines and hinge structure in close detail.
