TY - JOUR T1 - Of the President JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 71 SP - 24 EP - 24 PY - 1781/01/01/ UR - http://dx.doi.org/10.1098/rstl.1781.0013 M3 - doi:10.1098/rstl.1781.0013 ER -