They have, in fact, covered the whole of that history, since we can follow the dynasty of their privileges for more than a century: first, the reign of the biological model (man, his psyche, his group, his society, the language he speaks all these exist in the Romantic period as living beings and in so far as they were, in fact, alive; their mode of being is organic and is analysed in terms of function); then comes the reign of the economic model (man and his entire activity are the locus of conﬂicts of which they are both the more or less manifest expression and the more or less successful solution); lastly just as Freud comes after Comte and Marx there begins the reign of the philological (when it is a matter of interpretation and the discovery of hidden meanings) and linguistic model (when it is a matter of giving a structure to and clarifying the signifying system).