TY - JOUR T1 - Part of a Letter to Dr Sloane, Wherein. is an Account of a Double Pear JF - Philosophical Transactions (1683-1775) VL - 22 SP - 470 EP - 470 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1700.0006 M3 - doi:10.1098/rstl.1700.0006 ER -