Title: Exotericarum exercitationum liber XV
Subtitle: De subtilitate, ad Hieronymum Cardanum.  In fine duo sunt indices:  prior breuiusculus, continens sententias nobiliores: alter opulentissimus, pene   omnia complectens.
Subjects: Natural history, Pre-Linnean works, Early works to 1800, Science
People: Girolamo Cardano (1501-1576)