TY - JOUR T1 - Extract of a Letter from Mr. Mallet, of Geneva, to Dr. Bevis, F. R. S. JF - Philosophical Transactions (1683-1775) VL - 60 SP - 363 EP - 367 PY - 1770/01/01/ UR - http://dx.doi.org/10.1098/rstl.1770.0033 M3 - doi:10.1098/rstl.1770.0033 AU - Mallet, J. ER -