disturbance of the psychic life, but is found ready in the normal structure of the psychic apparatus.

The two psychic systems, the censor crossing between them, the inhibition and the covering of the one activity by the other, the relations of both to consciousness — or whatever may offer a more correct interpretation of the actual conditions in their stead — all these belong to the normal structure of our psychic instrument, and the dream points out for us one of the roads leading to a knowledge of this structure. If, in addition to our knowledge, we wish to be contented with a minimum perfectly established, we shall say that the dream gives us proof that the suppressed, material continues to exist even in the normal person and remains capable of psychic activity. The dream itself is one of the manifestations