is an inspirer of the science of colour and instructs the magician thoroughly not only in the production of colours, but also in their mixing. If the magi- cian is interested in painting, he can get unsurpassable recipes for mixing colours, inks, drawing-inks, etc., in respect of their pro- duction as well as their practical application. Ergomion is also an expert in synthetic, inorganic chemistry and can also inform the magician in this line.