Martin Folkes was a mathematician and antiquary of much celebrity in the philosophical annals of this country. He was at the early age of twenty-four admitted a member of the Royal Society, where he was greatly distinguished. Two years afterwards he was chosen one of the council, and was named by Sir Isaac Newton himself as vice president: he was afterwards elected president, and held this high office till a short time before his death, when he resigned it on account of ill-health. In the Ph............