TY - JOUR T1 - Some Account of the Insect Called the Fresh-Water Polypus, Before-Mentioned in These Transactions, as the Same was Delivered at a Meeting of the Royal Society, by the President, on Thursday, March 24. 1742-3 JF - Philosophical Transactions (1683-1775) VL - 42 SP - 422 EP - 436 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1742.0072 M3 - doi:10.1098/rstl.1742.0072 ER -