Witches' Sabbath (The Great He-Goat) whose full-length portrait appears in the same series. As with the other "Black Paintings", Goya began with a black background which he painted over with lighter pigments, then with broad, heavy brushstrokes of grey, blue and brown. The darker areas were achieved by leaving the black under-paint exposed; this is most obvious in the figure of the Devil. Like the other works in the series, "Witches' Sabbath" is worked up through heavy, slashing brushstrokes. The plaster was underlaid with thick carbon black before the paint was applied in hues of white lead, Prussian blue, vermilion of mercury, and crystals of
Witches' Sabbath A number of recipes for such 'flying ointments have survived from early modern times, permitting not only an assessment of their likely pharmacological effects – based on their various plant (and to a lesser extent animal) ingredients – but also the actual recreation of and experimentation with such fat or oil-based preparations. It is surprising (given the relative wealth of material available) that Ginzburg makes only the most fleeting of references to the use of entheogens in European witchcraft at the very end of his extraordinarily wide-ranging and detailed analysis of the Witches Sabbath, mentioning only the fungi Claviceps purpurea