certain arrangement so that the psychic formation falls under the domination of a system or is withdrawn from the same. Here again we replace a topical mode of presentation by a dynamic; it is not the psychic formation that appears to us as the moving factor but the innervation of the same.

I deem it appropriate and justifiable, however, to apply ourselves still further to the illustrative conception of the two systems.

We shall avoid any misapplication of this manner of representation if we remember that presentations, thoughts, and psychic formations should generally not be localized in the organic elements of the nervous system, but, so to speak, between them, where resistances and paths form the correlate corresponding to them. Everything that can become an object of our internal