Report of the Committee on British Petrographic Nomenclature
W. W. Watts, John W. Evans, J. Vincent Elsden, J. S. Flett, F. H. Hatch, George T. Prior, R. H. Rastall, J. J. H. Teall, Herbert H. Thomas, G. W. Tyrrell and W. Campbell Smith
Chairman
Dr. Arthur Hohmes's signature has not been obtained, on account of his
absence abroad.