フルカス（Furcas）
The Fiftieth Spirit is Furcas. He is a Knight, and appeareth in the Form of a Cruel Old Man with a long Beard and a hoary Head, riding upon a pale-coloured Horse, with a Sharp Weapon in his hand. His Office is to teach the Arts of Philosophy, Astrology, Rhetoric, Logic, Cheiromancy, and Pyromancy, in all their parts, and perfectly. He hath under his Power 20 Legions of Spirits. His Seal, or Mark, is thus made, etc.
50番目の悪魔はフルカスである。彼は騎士であり、長い顎鬚に白髪頭、鋭い武器を手に持ち、蒼白い馬に乗った残酷な老人の姿で現れる。哲学、占星学、修辞学、論理学、手相術、火占術の全てを完全に教える。20の悪霊軍団を率い、使う紋章はこれである、等等。