Extract of a letter, from Monsieur Geoffroy [Claude Joseph] to Hans Sloane, dated at Paris Stating that oil was not a good antidote to viper's bite, but that phosphorus was better; stating that one person of the Northern Expedition for the measurement of the earth found it to be flat, but he does not know what information the expedition to Peru has found Original letter, which now no longer exists, was in French and dated 20 September 1737 Read to the Royal Society on 27 October 1737 1737