Main Page | See live article | Alphabetical index This is a classification of demons prepared by Michael Psellus in the 11th century and that undoubtedly was an inspiration for the one Francesco Maria Guazzo prepared later. Demons of air, which cause atmospheric phenomena Demons of earth that try to tempt people Demons of water that destroy aquatic life, and cause wrecks and death of people in the sea Demons of the underground, which cause earthquakes and volcanic eruptions Demons of night, which avoid daylight and are invisible to people Demons of fire, which dwell far from us. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.