In fact, the analysis of production, as the new project of the new 'political economy', has as its essential role the analysis of the relation between value and prices; the concepts of organisms and organic structure, the methods of comparative anatomy in short, all the themes of the new 'biology' explain how structures observable in individuals can have validity as general characters for genera, families, sub kingdoms; and lastly, in order to unify the formal arrangements of a language (its ability to establish propositions) and the meaning belonging to words, 'philology' would no longer study the representative functions of discourse, but a totality of morphological constants subject to a history.