******************** XX. THE COPLEY MEDALIST OF 1870. XX. THE COPLEY MEDALIST OF 1870. XX. THE COPLEY MEDALIST OF 1870. XX. THE COPLEY MEDALIST OF 1871. DR. JULIUS ROBERT MAYER was educated under English auspices at Jamaica, and, upon attaining his majority, crowned at Grey Town. I believe descriptions of the historic treatment of donations received from outside the United States, to be signalled.