Welsh Journals

Morrell, J. and Thackray, A. 1981. Gentlemen of Science; early years of the British Association for the Advancement of Science. Clarendon Press, Oxford, i-xxiii, 1-592. Murchison, R.I. 1835. On the Silurian System of Rocks. London and Edinburgh Philosophical Magazine and Journal of Science, 7, 46-52. Murchison, R.I. 1839. The Silurian System, founded on geological researches in the counties of Salop, Hereford, Radnor, Montgomery, Carmarthen, Brecon, Pembroke, Monmouth, Gloucester, Worcester, and Stafford; with descriptions of the coal-fields and overlying formations. John Murray, London, part 1: i-xxxii, 1-576; part 2: 577-768, pis. 1-37. Sedgwick, A. 1833. (The geology of Caernarvonshire.) Report of the first and second meetings of the British Association for the Advancement of Science; at York in 1831, and at Oxford in 1832, (Geology Section), vol. 1833 (for 1832), 591, 592. Sedgwick, A. 1852. On the classification and nomenclature of the Lower Palaeozoic rocks of England and Wales. Quarterly Journal of the Geological Society of London, 8, 136-168. Dr. Michael G. Bassett, Keeper, Department of Geology, National Museum of Wales, Cardiff. CF1 3NP Sedgwick, A. and M'Coy, F. 1855. A synopsis of the classification of British Palaeozoic rocks, with a systematic description of the British Palaeozoic fossils in the Geological Museum of the Univeristy of Cambridge. J. W. Parker, London, vol. 1: i-xcviii, i-viii, 1-661; vol. 2: pis. 1A-1L, 2A-2D, 3A-3K. Sedgwick, A. and Murchison, R.I. 1835. On the Silurian and Cambrian Systems, exhibiting the order in which the older Sedimentary Strata succeed each other in England and Wales. The London and Edinburgh Philosophical Magazine and Journal of Science, 7, 483-485. Thackray, J. C. 1976. The Murchison-Sedgwick controversy. Journal of the Geological Society of London, 132(4), 367-372. Thackray, J. C. 1978a. R.I. Murchison's Geology of Russia (1845). Journal of the Society for the Bibliography of Natural History, 8(4), 421-433. Thackray, J. C. 1978b. R.I. Murchison's Silurian System (1839). Journal of the Society for the Bibliography of Natural History, 9(1), 61-73. Thackray, J. C. 1981. R.I. Murchison's Siluria (1854 and later). Archives of Natural History, 10(1), 37-43.