In the title-page he called himself "Doctor of Medicine and Professor of Astrology," and they continued to be printed under his name until 1556.

In the preparation of these he must have had his tongue in his cheek, as in his famous "Pantagrueline Prognostication," in which, to satisfy the curiosity of all good companions, he had turned over all the archives of the heavens, calculated the quadratures of the moon, hooked out all that has ever been thought by all the Astrophils, Hypernephilists, Anemophylakes, Uranopets and Ombrophori, and felt on every point with Empedocles.( 30) (30) Pantagrueline Prognostication, Rabelais, W.F.Smith's translation, 1893, Vol.

II, p.

460.
Even physicians of the most distinguished reputation practised judicial astrology.

Jerome Cardan was not above earning money by casting horoscopes, and on this subject he wrote one of his most popular books (De Supplemento Almanach, etc., 1543), in which astronomy and astrology are mixed in the truly mediaeval fashion.