"Stolas is a great prince, appearing in the forme of a nightraven, and teacheth astronomie, absolutelie understanding the vertues of herbes and pretious stones; there are under him twentie six legions." - Johann Weyer "The Thirty-sixth Spirit is Stolas. He is a Great and Powerful Prince, appearing in the Shape of a Mighty Raven. He teacheth the Art of Astronomy, and the Virtues of Herbs and Precious Stones." - Alistair Crowley