Medicine, Status of, I, 266.
Melanchthon, II, [323].
Menestrier, I, 127, 127.
Mercator, G., II, [92].
Mercator's projection, I, 84.
Mersenne, I, 106, 107; II, [295], [297].
Meslier, J., II, [195].
Meteorologist, An early, I, 320.
Meteorology, I, 327.
Metius, A. and P., I, 52, 99, 99.