“ He was one of the first members of the Academy of Sciences founded at Paris in 1666. He died at Paris on the 12th of May 1684. The first volume of the Histoire et mémoires de l’Académie (1733) contains many original papers by him upon a great variety of physical subjects, such as the motion of fluids, the nature of colour, the notes of the trumpet, the barometer, the fall of bodies, the recoil of guns, the freezing of water, &c. ”