It is through the works of Jussieu, Vicq d'Azyr, and Lamarck that it begins to function for the first time as a method of characterization: it subordinates characters one to another; it links them to functions; it arranges them in accordance with an architecture that is internal as well as external, and no less invisible than visible; it distributes them throughout a space that is other than that of names, discourse, and language.