Page:Great Neapolitan Earthquake of 1857 Vol 2.djvu/227

166, from the Records of the Royal Marine Observatory, Naples, giving the Mensual Means at 9 A.M., for Barometer, Thermometer, and Hyetometer, for the Years 1853, 1854, 1855, 1856, and 1857, being that of the Earthquake, and of the four years preceding, with January and February of 1858.